Korfund Elastomeric Isolator Catalog - Davidson Sales Co.

ELASTOMERIC MOUNTS BACKGROUNDVMC offers an extensive range of elastomeric isolationmounts and pads that limit the transmission of structure-bornevibration and impacts. These can beused in a wide variety of applications includingelectronics equipment, engines and gensets,vehicle cab mounts, HVAC equipment andgeneral industrial machinery. Structureborneshock and vibration can lead tomalfunctions and shortened life ofequipment, not to mention annoyancecaused by vibrating buildingstructures and generated audiblenoise. VMC’s elastomeric products aredesigned to minimize these events.Elastomeric compounds are extremely versatile. Rubber is just one commonname for one of the families of materials encompassed by this term. Elastomers canbe cut or molded into almost any shape and are available in a range of stiffnesses tomeet isolation and load-bearing requirements. Elastomers provide inherent dampingof dynamic inputs. VMC has the capability to engineer and produce special designsboth in terms of geometry and elastomeric compound.Elastomers cannot rust. Properly selected they can resist oil, most industrial chemicals,industrial temperatures and the effects of the weather such as sunlight (UV)and ozone. Molded-in metal structures are protectedby coatings or the elastomer itself. Many of VMC’selastomers are color coded to indicate load rating.This permanent, pigmented color permeates thematerial and cannot wear or peel off. Mount rating istherefore easily determined in the field by inspection,even from a distance.VMC’s engineered elastomeric pads provide excellentmid-to-high frequency vibration attenuation asbase mounts in compression. They are economicaland can be tailored to the application in the field.Typical uses include air compressors, businessmachines, fans, printing presses,pumps and shears. Bolting throughpad mounts into a supporting floor requires a compliant layer under thebolt head and clearance around the bolt shank. This is to avoid a“short-circuit” for vibration energy through the bolt. Pads can bestacked to create a softer suspension and interleaved with metal platesto increase stability.To accommodate particular project needs, elastomeric mounts areavailable with various mounting provisions. Specialneeds should be brought to theattention of VMC’s EngineeringDepartment.Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSTECHNOTESIn its simplest form, an elastomeric mount is a blockof material that will deflect under an applied load.Elastomers include many varieties of rubber, plastics,composite materials and cork. In one form or another,VMC offers all of these. VMC’s line of molded mountsare manufactured from both synthetic and natural rubbers.They may or may not have metal inserts moldedinto them to provide mounting interfaces and to controlelastic response and stresses.Like any resilient mounting system, we have a dynamicinput, a desired output, and a box between them thatmodifies the input to the output. The critical factorsnecessary to determine the character of the systemare the supported mass, its approximate center ofgravity and its geometry. These will enable us to determinethe static load on each mount. Some types ofequipment impose an additional reaction load againsttheir mounts. Elastically supported engines and motorsthat drive against something that is not on the sameelastic suspension are of particular interest. A goodexample of this is a vehicle engine and transmissionthat drives against the vehicle’s axle and wheels. Someequipment may exhibit a violent shudder upon start-upand shut-down. Inertial reactions of equipment thataccelerate and decelerate quickly may also have to beconsidered. Applied loads that occur infrequently canbe given different consideration than steady state loadsand repetitive loads when selecting a mount basedon strength.From a theoretical point of view, we can select amount by first considering the frequency of the input tobe attenuated. This is usually the lowest frequency, orat least the lowest frequency with amplitude of anyconsequence. We then step back by a factor of 3 ormore to establish a filter point, or suspension naturalfrequency at a lower frequency. We can calculate thedesired spring rate:ƒ n =1√ K2π mExpected transmissibility, or in other words, isolationefficiency, can be obtained from the classical transmissibilityequation for first order systems, or from itsgraphical representation.Transmissibility vs. frequency ratio and C/Cc1% Transmissibility T = 100 ƒ d2( )1- ƒ nTO DETERMINE THE EFFICIENCY OF ISOLATIONSUBTRACT THE % TRANSMISSIBILITY FROM 100%Schematic of simplemounting systemNow having a maximum load and target spring rate,the catalog can be searched for an appropriate mount.Given the great variety of mounts that VMC offers, thiscould prove to be a confusing task. A simplerVibration Mountings & Controls, Inc. 601

TECHNOTESELASTOMERICMOUNTSapproach to selection may be rooted less in mathematics.VMC’s elastomer mount product line can bedivided along several functional lines.Flush Mounted:MB SeriesRSM SeriesBM SeriesCM SeriesVLM SeriesR/RD/RP/RDP SeriesRDC2TTA/TTB SeriesGC2/GC3LD SeriesLF with optional standoffPadsNon-Flush Mounted:LF/LFS/LLF SeriesLF SeriesRB SeriesSB3/CSB3 SeriesGR2/GR3 SeriesCaptive (failsafe,restrained):LF/LFS/LLF SeriesMB SeriesRSM SeriesLR SeriesRB SeriesSB3/CSB3 SeriesCM SeriesRDC2TTA/TTB SeriesGR/GC SeriesNon-Captive:BM SeriesVLM SeriesR/RD/RP/RDP SeriesLD SeriesPads in simplecompressionThe decision whether to use flush mounting has muchto do with the user’s thoughts on installation methodand surrounding structures. Flush mounts put lessdemands on the design of the supporting structures.Usually a reasonable flat surface and two simplethrough or tapped holes are all that is required.Sinking the mount into the surface of the supportingstructure may not only save on installed height but alsoplaces side loads into the plane of the support. Thislimits local bending stresses. Mounts that are not flushrequire features in the supporting structure. In particular,the RB, Ring and Bushing series depend onmounting hole and plate geometry to achieve theirrated characteristics. The decision whether to use afail-safe or captive mount is dictated by the end item’susage. Generally, mobile equipment should be captive.A payload in motion is subject to side thrusts anduplifts even if the primary load is in compression.Despite all best efforts, something that is mobile ortransportable may be turned on its side or upsidedown. When it comes to ultimate strength, rubber cannotmatch metals. For this reason, we do not rely onrubber alone to keep a payload from becoming a secondaryprojectile. Requirements imposed by code suchas for earthquake (seismic) resistance and wind loadsnecessitate captive, failsafe mounts. Beyond this, specificload-bearing capacity may have to be establishedto meet job requirements. Failsafe does not imply indestructible.If a specific load requirement exists, or if failureof the metal members may result in a hazard, VMCshould be consulted. An all-attitude mount functions asa resilient member in all directions. The elastic propertiesin each direction may differ. An all-attitude mount iscaptive. Not all captive mounts are all-attitude. All ofVMC’s captive mounts are all-attitude to some extent.With the field of possible mounts narrowed based oninstallation preference and function, we can now turnour attention to selecting based on applied load. Thenumbers that VMC publishes are load ratings. They arenot ultimate loads to failure and they are not necessarilyrecommended loads. The nominal suspension naturalfrequency that we publish in the catalog will beachieved when a mass which applies the rated load issupported on the mount. In most cases, increasing thisload slightly should not be a problem but will result in aslightly lower natural frequency. VMC should be consultedwhen increasing load much over the rated loadis being considered. Applying lighter loads will result ina higher suspension natural frequency. The higher naturalfrequency, or stiffer, suspension may provide lessattenuation of lower frequency disturbances. In aworst case, it may approach or coincide with a higherdisturbing frequency and result in amplification. For thisreason, we like to look at the suspension natural frequencyand disturbing frequencies and not simply loadratings. The presence of shocks, transient reactionloads and large amplitude inputs may be good reasonfor backing down from the rated load to add margin.For most industrial applications, we look to moldedelastomer mounts to provide suspensions between 8 Hzand 35 Hz. Depending on the specifics of the application,we may require only minimal resistance to sideloads or complete elastic suspension in all directions.Our catalog details off-axis capability or stiffness ratio insome cases. Various axial to radial stiffness ratios canbe achieved with the variety of mounts, from 1:5, through1:1 to 5:1 and beyond. Where there is a question onoff-axis characteristics, VMC should be consulted.The usage environment dictates the type of elastomerthat should be specified. VMC’s standard products are602Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSTECHNOTESlisted in usually one but sometimes two “standard”materials. To meet specifics of temperature, extremestrength, enhanced damping, chemical resistance andresistance to ozone and sunlight we can provide manyother materials. With few exceptions, we can mold anymount in our product line in any material that can bemolded. Our manufacturing process is set up so thatwe can produce short run specials sometimes at thesame cost, or with a very slight premium. VMC shouldbe consulted whenever environment is suspected tobe an issue. We offer here some guidelines to ourmost commonly used materials.Neoprene and Neoprene Blends – Good generalpurpose black-rubber for sustained operatingtemperatures between -40 o and +180 o F. Resistantto splashes of most oils and hydraulic fluid andother conditions typical of industrial and enginecompartment environments. Our standard materialfor most industrial mounts.VMC Color-coded Neoprene and BlendedMaterials – Good general purpose rubber for mostmoderate service conditions. Particularly favored in theHVAC industry because the material can be colorcoded to indicate mount rating and stiffness. Our standardin our R/RD line and pads.Silicone – Provides increased operating temperaturerange of -60 o to +300 o F. Inherently resistant to manychemicals, with the exception of lubricating oil. Lowoutgassing. For this reason it is favored for military andspace applications. Overall, silicone provides greaterdynamic damping than many other materials. It alsocan be color coded to indicate load capacity.VMC Weather-Resistant (WR) Blended Material –Similar to our color-coded neoprene and blendedmaterials, it offers the same color coding to indicateload rating. Upper limit on service temperature isextended to +250 o F and has greater resistance to sunlight(UV) ozone, salt water and acids. For this reason itmay be preferred when extreme outdoor conditionsare encountered such as on exposed rooftops insome locations.EPDM – A good substitute for our neoprene, blendedand color-coded materials when extended temperaturerange, improved chemical resistance or low-temperatureflexibility is needed.VMC Extreme High Temperature Silicone – Capableof continuous operation to +485 o F.VMC High Damped Silicone – Capable of producingmounts with dynamic damping factors approaching25% of critical depending on type of input.Other Specialty Materials – Fluorosilicone,Fluorocarbon, ECO, HNBR, Polyacrylates and naturalrubber to name just a few.Elastomeric mounts will inherently provide somedegree of dynamic damping. Damping limits responsepeaks when a machine momentarily passes throughresonance such as during start-up. It limits ringing dueto shocks and transients. Damping is a property of thematerial and also affected by the character of thedynamic input. It is velocity dependent so high frequency,large displacement inputs will result in proportionallythe greatest damping out of a given material.Damping operates by drawing energy out of the systemin the form of heat. Damped mounts will warmwith operation. In the extreme case, heavily dampedmounts operated for extended periods of time undersevere conditions or near resonance will overheat. Thiswill shorten the mount’s overall service life. The level ofdamping should be appropriate to the application.Above all else, mounts should not be operated in aresonance condition for extended periods of time. Inmost industrial applications, the moderate amount ofdamping provided by our standard materials combinedwith operation well above suspension resonance willprovide excellent performance and service life. Certainmilitary applications necessitate high damping materialsin order to control broad-spectrum random vibrationand shock. The use of high damping material mustbe combined with good engineering analysis and testingparticularly when the suspension natural frequencymust reside within a narrow band. Damping makes themount appear stiffer dynamically.Nitrile – Generally a good substitute for our neoprene,blended and color-coded materials when significantexposure to oils and hydraulic fluids are present.Vibration Mountings & Controls, Inc. 603

TECHNOTESELASTOMERICMOUNTSPolymer TypeSpecific GravityHardness Range (Shore A)Tensile Strength(Max psi @ room temp)Elongation Max(% @ room temp)ResilienceCompression SetImpermeability to GasesFlex Cracking ResistanceTear StrengthAbrasion ResistanceImpact StrengthCut Growth ResistanceOxidation ResistanceOzone ResistanceWeathering ResistanceSunlight ResistanceWater ResistanceNatural Rubber 0.93 30-100 4000 750 E G F F E E E E F -G P F P - F ESBR 0.94 35-100 3000 600 G G F G F F - G E G F - G P F F G - EEPDM 0.86 30-90 3000 600 G G F G F - G G - E G G G - E E E E ENeoprene 1.23 35-95 3000 600 G - E F - G F - G G F - G G - E G - E G G - E G G G - E GNitrile 1.00 30-100 3000 600 F - G G G F F - G G - E F - G G F - G P F - G P - F G - EFluorocarbon 1.85 55-95 3000 450 F G - E G - E G F F - G F E E E E E G - ESilicone0.98-1.6025-90 1500 800 F - G G - E P - F F - E P - F P - F P - G P - F E E E E GIsoprene 0.92 30-100 3500 750 E E F F G G - E E E F - G P F P - F EButyl 0.92 30-90 2500 700 P - F P - F E G G G G E E G -E E E EButadiene 0.91 45-80 2500 500 E F F E G E G F - G F - G P F F EThiokolUrethaneHypalon1.25-1.351.02-1.0251.12-1.2820-80 1500 450 P - F P - F E P - F P - F P P - F P G - E E G - E G - E F - G55-100 8000 750 F - E G - E P - F G - E E E G - E G - E G - E G G - E G - E G40-95 3000 600 F-G F G G F - G G - E G G E E G - E E GAcrylic 1.09 40-90 2000 400 F - G G F - G F P - F F - G P F - G E G - E E E P - FEpichlorohydrin(EO &ECO)Chlorinated Polyethylene1.27-1.361.16-1.2540-90 2500 400 F - G F G G F - G F - G G G G - E E G - E G - E G45-95 3500 600 F - G F - G G G - E G G - E E F E E G E GCrosslinked Polyethylene 0.92 90+ 3000 500 P F G G - E F F P - F P E G - E G G GVamac 1.04 40-90 2500 700 F G F G - E G - E G F - G G - E E E E E EVynathene0.095-1.0245-95 4000 400 F G - E G G F - G G F - G F E E E E G - ENorsorex 0.96 15-100 3500 600 G - E G G - E G G G - E E G F - G P F F EE = Excellent G - E G = Good F - G F = Fair P - F P = Poor604Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSTECHNOTESPolymer TypeFlame RetardanceHeat ResistanceLow Temperature FlexibilityOil & Gasoline ResistanceResistance to Animal &Vegetable OilsResistance to AlcoholsResistance to AlkalisResistance to AcidsResistance to AliphaticHydrocarbon SolventsResistance to AromaticHydrocarbon SolventsResistance to OxygenSolventsMost Common PolymersMolded by VibrationMountings & ControlsNatural Rubber P F G - E P F G F F - G P P G ✓SBR P F - G G P F G F F - G P P G ✓EPDM P G - E G - E P G F - G G - E G P P G - E ✓Neoprene G F - G F F - G G G - E E G G P - F P - F ✓Nitrile P G F - G G - E G - E F - G G - E G E F - G P ✓Fluorocarbon G - E E F - G E E F - E F - G G E E P ✓Silicone F - G E E P - F F - G G P F P - F P - F F ✓Isoprene P P - F G P F G F F - G P P F - G –Butyl P G F - G P G - E G E G - E P P G - E –Butadiene P P - F G - E P F G F F - G P P G –Thiokol P F F - G E G - E G G P - F E G - E G - E –Urethane P - E F - G G G - E G F - G P P - F G P - F P –Hypalon G G F F - G G G P F P - F P - F F –Acrylic P E P - F G G - E P P F E P - F P –Epichlorohydrin(EO &ECO)F - G G - E F - E G - E G - E G F - G G E E P –Chlorinated Polyethylene F - G G F - G F - G G E E E G P - F F –Crosslinked Polyethylene P F F G - E E E E E G - E E G –Vamac P G - E P - F F G - E F G P - F G P - F P –Vynathene P G - E P F F G G F F P F –Norsorex P F G P F G F F - G P P G –Effect Dynamic DampingCharacteristicsCrosses multiple ratingsVibration Mountings & Controls, Inc. 605

LFSERIESELASTOMERICMOUNTSAPPLICATIONS40 - 2800 LBLOAD RANGELOW FREQUENCY ISOLATION MOUNTSLF Series are low frequency, elastomeric shock andvibration isolation mounts used in a variety of applicationswhere space and weight are restricted – vehiclecabs, engines, engine gensets, marine equipment, andshipping containers. The series offer a low natural frequencythat is ideal for isolating structure-borne noisein these mobile applications.The LF Series provides a low profile, rugged, all-bondedconstruction that includes corrosion-resistant coatingon all metal surfaces. The structural sections aremade of steel for excellent strength and durability.The elastomeric element resist oils, ozone and mostsolvents – providing optimum resilience in nearly allenvironments. The operating temperature range of-20 o F to +180 o F offers continuous operation in allweather conditions. At a maximum size of just3.25”, the LF Series offers installation in numerousportable machinery and equipment applications. Forspecial elastomeric compounds contact the VMCEngineering department.FEATURES & BENEFITS• Static load range from 40-2800 lbs. offers a widerange of application flexibility.• Low profile provides installation in space-restrictedapplications.• Low natural frequency of 10 Hz at maximum loadprovides structure-borne noise attenuation in eventhe most challenging applications.TECHNICALLF SERIES SNUBBING WASHERS* DIMENSIONSTYPE DIA. ‘A’, ins. DIA. ‘B’, ins. THICKNESS ‘C’, ins. MODEL #LF1 Series 0.45 2.00 0.13 148099-5LF1.5 Series 0.51 2.00 0.13 148099-18LF2 Series 0.64 2.25 0.15 148099-6LF3 Series 0.76 2.50 0.18 148099-7LF4 Series 1.01 3.25 0.25 148099-17* Zinc Plated Carbon Steel• 1:1 axial to radial stiffness ratio.• Rugged, all-bonded construction provides durabilityin extreme conditions.• Failsafe design problems when used inconjunction with snubbing washer for mobileand all-attitude use.• Typical damping ratio C/C c =0.1 transmissibilityapproximately 5:1 at resonance.NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.606Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSLFSERIESTYPE LF1AXIAL STATICRADIAL STATICMODEL # LOAD, MAX., lbs. LOAD, MAX., lbs.LF1 - 150 150 100LF1 - 200 200 150LF1 - 270 270 180LF1 - 330 330 220AXIAL LOAD Vs. DEFLECTIONAXIAL LOAD Vs.NATURAL FREQUENCYTYPE LF1.5AXIAL STATICRADIAL STATICMODEL # LOAD, MAX., lbs. LOAD, MAX., lbs.LF1.5 - 270 270 180LF1.5 - 350 350 230LF1.5 - 450 450 300LF1.5 - 570 570 3804.753.752.75.532THRU HOLE.406 DIA. THRUTYP.NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 607

LFSERIESELASTOMERICMOUNTSTYPE LF2AXIAL STATICRADIAL STATICMODEL # LOAD, MAX., lbs. LOAD, MAX., lbs.LF2 - 500 500 330LF2 - 650 650 430LF2 - 800 800 530LF2 - 1000 1000 660AXIAL LOAD Vs. DEFLECTIONAXIAL LOAD Vs. NATURAL FREQUENCYTYPE LF3AXIAL STATICRADIAL STATICMODEL # LOAD, MAX., lbs. LOAD, MAX., lbs.LF3 - 700 700 450LF3 - 900 900 600LF3 - 1200 1200 800LF3 - 1500 1500 1000NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.608Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSLFSERIESTYPE LF4AXIAL STATICRADIAL STATICMODEL # LOAD, MAX., lbs. LOAD, MAX., lbs.LF4 - 1200 1200 800LF4 - 1600 1600 1000LF4 - 2100 2100 1400LF4 - 2800 2800 1800APPLICATIONS• Engines, cabs and radiators of highway and offhighway vehicles• Motor generators and compressors• Pumps and centrifuges• Portable equipment and machinery• Marine equipment and power plants• Fans and blowersNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 609

LFS1SERIESELASTOMERICMOUNTSAPPLICATIONS25-300 LBLOAD RANGELOW FREQUENCY SNUBBED ISOLATION MOUNTSLFS1 Series are low frequency, snubbed elastomericvibration isolation mounts that are ideal for light loadapplications including small engines, pumps, compressors,and generators used in either stationary or mobileenvironments.The LFS1 is a rugged, low profile type mount that canbe focused to decouple a system for better stabilityand isolation. The mount is failsafe when used with therecommended snubbing washer. At maximum ratedload, the mount exhibits an axial natural frequency ofabout 9.5 Hz that is outstanding in isolating structurebornenoise in mobile applications.The LFS1 Series provides a low profile, sturdy constructionthat includes a corrosion-resistant coating onall metal surfaces. The structural sections are made ofcarbon steel for excellent strength and durability.The elastomeric element resists oils, ozone and mostsolvents – providing optimum resilience in nearly allenvironments. At just .5 lbs., the LFS1 Series offersinstallation in any number of stationary or portableequipment applications.FEATURES & BENEFITS• Static load range from 25-300 lbs. offers a widerange of application flexibility.• Low profile design provides installation in spacerestrictedapplications.• Low natural frequency of 9.5 Hz at maximum loadprovides structure-borne noise attenuation in eventhe most challenging applications.• Rugged, all-bonded construction provides durabilityin most environmental conditions.• Failsafe snubbing washer provides for mobile andall-attitude use.• For isoelastic suspensions, 1:1 axial to radial stiffnessratio.TECHNICALSNUBBING WASHER P/N 148099-5 (ZINC PLATED CARBON STEEL)Dia. 0.45"Dia. 2.00" Thickness 0.13"NOTE: VMC can mold almost any elastomer into any of its elastomer mount products.Special materials include, but are not limited to, natural rubber, Weather Resistant (WR),High Damped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM.Many of these are color coded by hardness.610Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSLFS1SERIESMAX. AXIALDEFLECTION ATMODEL # LOAD, lbs. MAX. LOAD, ins.LFS1-75 75 0.12LFS1-100 100 0.12LFS1-175 175 0.12LFS1-300 300 0.12APPLICATIONS• Vehicle cabs• Small engines• Generators• Fans and blowers• Pumps• Centrifuges• CompressorsNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 611

LLFSERIESELASTOMERICMOUNTSAPPLICATIONS250 - 1300 LBLOAD RANGELOW-LOW FREQUENCY ISOLATION MOUNTSVMC LLF Series are low-low frequency, elastomericvibration isolation mounts used in a variety of applicationswhere space and weight are restricted – engines,radiators, motor generators, marine equipment, powerplants and portable machinery.The LLF Series features corrosion-resistant coating onmetal surfaces and the elastomer design resists oils,ozone and most solvents – providing optimum durabilityin the majority of applications. The operating temperaturerange of -20 o F to +180 o F offers continuousoperation in all weather conditions. At a weight of just6 lbs., the LLF Series offers installation in numerousportable machinery and equipment applications.FEATURES & BENEFITS• Static load range from 250-1300 lbs. offers a widerange of application flexibility.• Low profile design permits installation in spacerestrictedapplications.• Failsafe design problems when used inconjunction with snubbing washer for mobileand all-attitude use.• Offers an axial to radial stiffness of 1:3.5.• Low natural frequency of 8 Hz at maximumload provides excellent attenuation of machinebased disturbances.• Typical damping ratio C/C c =0.1 transmissibilityapproximately 5:1 at resonance.• Rugged, all-bonded construction provides durabilityin extreme conditions.NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.612Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSLLFSERIESTECHNICALMODEL # MAX. DEFLECTION, ins. AXIAL LOAD RANGE, lbs.LLF-400 0.15 250-400LLF-700 0.15 400-700LLF-1000 0.15 700-1000LLF-1300 0.15 1000-1300NOTE: Mount is provided with snubbing washer attached as shown in Detail “A”Detail “A”APPLICATIONS• Engines, cabs and radiators• Motor generators and compressors• Pumps and centrifuges• Portable equipment and machinery• Marine equipment• Fans and blowersNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 613

MBSERIESELASTOMERICMOUNTSAPPLICATIONS30 - 1300 LBLOAD RANGEHOUSED RING & BUSHING ISOLATION MOUNTSMB Series are elastomer shock and vibration isolationmounts used for marine, vehicular and stationaryequipment applications such as engine gensets, compressors,pumps, centrifuges, electric motors, transformers,engine drive trains, and rooftop equipmentapplications where a failsafe design is required. Atmaximum rated load, the natural frequency range of 12to 15 Hz offers excellent isolation of structure-bornenoise in these applications.The MB Series also are furnished as a completeassembly and feature a built-in leveling device for simpleinstallation. The MB1 and MB3 housings are madeof heat-treated cast aluminum, while the MB5 is manufacturedfrom welded steel. All hardware consists ofzinc-plated, carbon steel for superior strength andlong-life.The elastomer element resists oils, ozone and mostsolvents – providing optimum resilience in even theharshest environments. The MB Series works well formobile and all-attitude applications. The operating temperatureof -20 o F to +180 o F offers continuous operationin ambient conditions.FEATURES & BENEFITS• Static load range from 30 to 1300 lbs. offers awide range of application flexibility.• Cast aluminum housing and carbon steelhardware provide durability in harshenvironmental conditions.• Natural frequency of 12 to 15 Hz at maximum loadprovides structure-borne noise attenuation in eventhe most challenging applications.• Failsafe design for mobile or seismic applications.• Mount shipped as a complete assembly for easeof installation.• Failsafe snubbing washer provides for mobile andall-attitude applications.• Built-in leveling device offers simplifiedequipment installation.• Available with longer bolt for heightadjustable installation.NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.614Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSMBSERIESTECHNICALTYPE MB1APPROXIMATEAXIAL STATIC RADIAL STATIC NATURAL FREQUENCYMODEL # LOAD, MAX., lbs. LOAD, MAX., lbs. AT MAX. LOAD, HzMB1-60 60 30 15MB1-120 120 40 15MB1-200 200 50 15AXIAL LOAD Vs. DEFLECTIONTYPE MB3APPROXIMATEAXIAL STATIC RADIAL STATIC NATURAL FREQUENCYMODEL # LOAD, MAX., lbs. LOAD, MAX., lbs. AT MAX. LOAD, HzMB3-350 350 140 12MB3-700 700 300 12MB3-1300 1300 650 12AXIAL LOAD Vs. DEFLECTIONNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 615

MBSERIESELASTOMERICMOUNTSTYPE MB5APPROXIMATEMAX. RATEDNATURAL FREQUENCYMODEL # LOAD, lbs. AT MAX. LOAD, HzMB5-2600 2600 10MB5-3600 3600 10MB5-4600 4600 10NOTES:1. Standard Finish: Housing - one shop coat green paint.Hardware - Electro-zinc plated or black oxide2. Unit weight: 45 lbs.APPLICATIONS• Marine, vehicular and stationary equipment• Generators and compressors• Rooftop equipment subject to harsh weather andsevere winds• Mobile applications• Pumps and centrifuges• Engines and drive trains• Electric motors and transformers• Seismic installationsNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.616Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSRSMSERIESAPPLICATIONS250 - 1300 LBLOAD RANGEHOUSED LOW FREQUENCY ISOLATION MOUNTSRSM Series mounts are fully bonded, failsafe, elastomermounts designed to provide shock and vibrationisolation for a variety of applications in the medium toheavy load range. Offered in two designs – the RSM1Series offers low load ranges ideal for small engines,pumps and generators, and the RSM3 Series offersload ranges up to 1,300 lbs. for use in marine androoftop equipment.The RSM Series also are furnished as a completeassembly for simple ordering and installation. Themount is manufactured of a ductile iron outer housingfor seismic or heavy duty applications. The series providesan extremely durable construction that includeszinc-plated, carbon steel hardware and corrosionresistantcoating on all metal surfaces.The elastomer elements resist oils, ozone and mostsolvents – providing optimum resilience in even theharshest environments. Failsafe snubbing washer providesfor mobile and all-attitude applications. The operatingtemperature of -20 o F to +180 o F offers continuousoperation in all environmental conditions.FEATURES & BENEFITS• Wide choice of static load ranges provides isolatorsthat can be matched to strict engineeringrequirements.• Choice of ductile iron or cast aluminum housingspermit use in heavy duty or seismic applications, orwhere weight is a consideration.• Failsafe snubbing washer provides for mobile andall-attitude applications.• Low natural frequency of 8 Hz at maximum loadprovides structure-borne noise attenuation in eventhe most challenging applications.• Typical damping ratio C/C c =0.1 transmissibilityapproximately 5:1 at resonance.• Offers an axial to radial stiffness of 1:3.5.APPLICATIONS• Vehicular and stationary equipment• Engine generators and compressors• Pumps and centrifuges• Electric motors and transformers• Equipment subjected to seismic or severewind loads• Engines and drive trains• Marine propulsion equipment and gensetsNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 617

RSMSERIESELASTOMERICMOUNTSTECHNICALTYPE RSM1MODEL # LOAD RANGE, lbs. DEFLECTION AT MAX. LOAD, ins.RSM1-120 60-120 0.15RSM1-200 100-200 0.15RSM1-250 125-250 0.15RSM1-400 200-400 0.15TYPE RSM3MODEL # LOAD RANGE, lbs. DEFLECTION AT MAX. LOAD, ins.RSM3-400 250-400 0.15RSM3-700 400-700 0.15RSM3-1000 700-1000 0.15RSM3-1300 1000-1300 0.15NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.618Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSRSMSERIESRSM5VMC’s RSM5 Rubber in Shear Mount is a heavy-duty,fully captive molded elastomer shock and vibration isolator.Its housing’s rugged welded steel constructionand fail-safe design make it ideal for severe mobile,marine, seismic and all-attitude applications. Averagestatic load ratings will range between 4,000 and10,000 pounds in all directions. With the use of optionalinternal booster springs, or under special low dutycycle applications, loading up to 20,000 pounds ispossible. Working deflections are in the .25 to .75 inchrange. This results in good low to mid-frequency rangeisolation. The mount may be molded with any of ourstandard or custom elastomers to meet specific environmental,service life and damping requirements.NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 619

LRSERIESELASTOMERICMOUNTS0.25”DEFLECTIONAPPLICATIONS20 - 400 LBLOAD RANGELOW RADIAL ISOLATION MOUNTSLR Series are low frequency, focused, elastomericshock and vibration isolation mounts. The series isideal for light load applications including small engines,pumps, compressors, fans, and blowers used in eitherstationary or mobile environments.The LR Series offer a rugged, low profile mount thatcan be focused to decouple a system for better stabilityand isolation. At maximum rated load, the mountprovides an axial to radial stiffness ratio of 6:1 – offeringexcellent structure-borne noise isolation in a varietyof applications.The LR Series provide a low profile, sturdy constructionthat includes corrosion-resistant coating on allmetal surfaces. The structural sections are made ofcarbon steel for excellent strength and durability.The elastomeric elements resist oils, ozone and mostsolvents – providing optimum resilience in nearly allenvironments. When used with a snubbing washer, LRseries mounts offer a failsafe design. The operatingtemperature of -20 o F to +180 o F offers continuous operationin these ambient conditions.FEATURES & BENEFITS• Static load range from 20 to 400 lbs. offers a widerange of application flexibility.• Low profile design provides installation in spacerestrictedapplications.• Damping ratio C/C c =.10 (transmissibility approximately5:1 at resonance).• Axial to radial stiffness of 6:1 provides excellentstructure-borne noise isolation.• Rugged, all-bonded construction provides durabilityin most environmental conditions.TECHNICALLR SERIES SNUBBING WASHERS* DIMENSIONSTYPE DIA. ‘A’, ins. DIA. ‘B’, ins. THICKNESS ‘C’, ins. MODEL #TYPICAL INSTALLATION CONFIGURATIONLR1 0.45 2.00 0.13 148099-5LR2 0.64 2.25 0.15 148099-6* Zinc Plated Carbon SteelNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.620Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSLRSERIESTYPE LR1MODEL # STATIC LOAD NOMINAL, lbs.LR1-40 40LR1-75 75LR1-100 100LR1-150 150LR1-230 230MODEL #TYPE LR2STATIC LOAD NOMINAL, lbs.LR2-100 100LR2-160 160LR2-240 240LR2-320 320LR2-400 400APPLICATIONS• Small to medium diesel and gas engines• Motor generators and compressors• Fans and blowers• Portable equipment and machinery• Pumps and centrifugesNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 621

BMSERIESELASTOMERICMOUNTSAPPLICATIONS30 - 260 LBLOAD RANGEBUCKLING ISOLATION MOUNTSBM Series are low frequency, elastomeric shock andvibration isolation mounts used in a variety of situationswhere loads are applied primarily in a vertical direction.The BM Series offers a low natural frequency that isideal for isolating structure-borne noise in applicationswhere space and weight are restricted, but where highdeflection shock isolation is necessary. Small motors,generators, compressors, pumps, electronics andcomputers are typical applications.The BM Series provides a durable housing constructionthat includes corrosion-resistant coating on allmetal surfaces. The structural sections are made ofcarbon steel for excellent strength and long-life. Sincethe BM Series is uniquely designed to isolate verticalloads, it is not inherently failsafe and should not beused in mobile applications unless used in conjunctionwith external restraints.The elastomeric elements resist oils, ozone and mostsolvents – providing optimum resilience in nearly allenvironments. The operating temperature range of-20 o F to +180 o F offers continuous operation in theseambient conditions.FEATURES & BENEFITS• Wide choice of static load ranges provides isolatorsthat can be matched to strict engineeringrequirements.• Low profile provides installation in space-restrictedand vertical applications.• Typical damping ratio C/C c =.01 transmissibilityapproximately 5:1 at resonance.• Natural low frequency of 8 Hz at maximum loadprovides structure-borne noise attenuation in eventhe most challenging applications.• Rugged construction provides durability inextreme conditions.APPLICATIONS• Small to medium diesel and gas engines• Motor generators and compressors• Pumps and centrifuges• Fans and blowers• Portable equipment and machinery when used withexternal restraints• Transit cases and containersNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.622Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSBMSERIESTECHNICALTYPICAL INSTALLATIONCAUTION: Mount is not inherently "fail safe", and therefore should not be used in mobile applications without some external means of restraint.MODEL #TYPE BM1AXIAL STATIC LOAD RANGE, lbs.BM1-60 30 – 60BM1-100 50 – 100BM1-130 65 – 130(Axial to Radial Stiffness Ratio Approx. 2:1)WEIGHT - .47 lbs.NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 623

BMSERIESELASTOMERICMOUNTSMODEL #TYPE BM2AXIAL STATIC LOAD RANGE, lbs.BM2-200 100 – 200BM2-260 130 – 260(Axial to Radial Stiffness Ratio Approx. 2:1)WEIGHT - 1.00 lbs.MODEL #AXIAL STATIC LOAD RANGE, lbs.BMX2-1 175 – 350BMX2-2 250 – 500BMX2-3 350 – 700WEIGHT 1.20 lbs.NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.624Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSRBSERIESAPPLICATIONS30 - 4600 LBLOAD RANGERING & BUSHING ISOLATION MOUNTSRB/RBX Series are ring and bushing-type, elastomershock and vibration mounts designed for a variety ofload ranges. The ring and bushing design providessuperior wear resistance for applications wheredifficult shock and vibration conditions exist – engines,vehicle cabs, highway and off-highway vehicles, enginegensets, HVAC equipment, and compressors.The RB/RBX Series provide a low profile mounting thatis failsafe when used with the recommended snubbingwasher. A low frequency of 10 to 12 Hz at maximumload attenuates structure-borne noise in even the mostchallenging applications.The structural sections are made of carbon steel forexcellent strength and durability. A corrosion-resistantcoating on all metal surfaces ensures long componentlife. The elastomeric elements resist oils, ozone andmost solvents – providing optimum resilience innearly all environments. The operating temperatureof -20 o to +180 o offers continuous operation in varyingweather conditions.NOTE: The RB/RBX Series may be manufacturedin “half-sizes” to accommodate non-standard platethickness. Contact the VMC Engineering departmentfor assistance.FEATURES & BENEFITS• Static load range from 30-4600 lbs. offers a widerange of applications flexibility.• Low profile design provides installation in spacerestrictedapplications.• Low natural frequency of 10-12 Hz at maximumload provides structure-borne noise attenuation indifficult applications.• Some sizes offer optional integral bonded wearplate to eliminate the need for a close toleranceattachment hole – offering simplified installation.Consult factory for more information.• Corrosion-resistant coating on all metalsurfaces ensures durability in mostenvironmental conditions.APPLICATIONS• Engines and drive trains• Transformers• Fans and blowers• Highway and off-highway vehicles – cabs, radiators,battery boxes, fuel tanks• Motor generators and compressors• Pumps and centrifuges• HVAC equipment• Portable equipment and machinery• Failsafe design when used with snubbing washers.NOTES: “Ruggedized” versions of ring and bushing mounts for enhanced cyclic load-bearing capability are available. Consult VMC for specifics on our RBX line of ruggedized ringand bushing mounts.VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 625

RBSERIESELASTOMERICMOUNTSTECHNICALRB SERIES SNUBBING WASHERS* DIMENSIONSTYPE DIA. ‘A’, ins. DIA. ‘B’, ins. THICKNESS ‘C’, ins. MODEL #Dia. ‘A’RB1 Series 0.40 1.56 0.09 148099-1RB2 Series 0.51 2.00 0.13 148099-18RB3 Series 0.66 2.81 0.19 148099-3RB4 Series 0.94 3.88 0.25 148099-4RB5 Series 1.06 5.25 0.38 148099-2* Zinc Plated Carbon SteelDia. ‘B’Thickness ‘C’TYPE RB1AXIAL RADIAL MOUNTING APPROXSTATIC STATIC PLATE NATURALLOAD, LOAD, THICKNESS, FREQUENCYMODEL # MAX., lbs. MAX., lbs. ins. AT MAX. LOAD, HzRB1-60 60 30 0.38 15RB1-120 120 40 0.38 15RB1-200 200 50 0.38 15WEIGHT – .1 lbs.NOTES: “Ruggedized” versions of ring and bushing mounts for enhanced cyclic load-bearing capability are available. Consult VMC for specifics on our RBX line of ruggedized ringand bushing mounts.VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.626Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSRBSERIESTYPE RB2AXIAL RADIAL MOUNTING APPROXSTATIC STATIC PLATE NATURALLOAD, LOAD, THICKNESS, FREQUENCYMODEL # MAX., lbs. MAX., lbs. ins. AT MAX. LOAD, HzRB2-150 150 60 0.56 12RB2-300 300 120 0.56 12RB2-500 500 200 0.56 12WEIGHT – .35 lbs.TYPE RB3AXIAL RADIAL MOUNTING APPROXSTATIC STATIC PLATE NATURALLOAD, LOAD, THICKNESS, FREQUENCYMODEL # MAX., lbs. MAX., lbs. ins. AT MAX. LOAD, HzRB3-350 350 140 0.88 12RB3-700 700 300 0.88 12RB3-1300 1300 650 0.88 12WEIGHT – .7 lbs.NOTES: “Ruggedized” versions of ring and bushing mounts for enhanced cyclic load-bearing capability are available. Consult VMC for specifics on our RBX line of ruggedized ringand bushing mounts.VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 627

RBSERIESELASTOMERICMOUNTSTYPE RB4AXIAL RADIAL MOUNTING APPROXSTATIC STATIC PLATE NATURALLOAD, LOAD, THICKNESS, FREQUENCYMODEL # MAX., lbs. MAX., lbs. ins. AT MAX. LOAD, HzRB4-500 500 200 1.12 10RB4-1000 1000 400 1.12 10RB4-2100 2100 900 1.12 10WEIGHT – 1.4 lbs.TYPE RB5AXIAL RADIAL MOUNTING APPROXSTATIC STATIC PLATE NATURALLOAD, LOAD, THICKNESS, FREQUENCYMODEL # MAX., lbs. MAX., lbs. ins. AT MAX. LOAD, HzRB5-2600 2600 1000 1.25 10RB5-3600 3600 1450 1.25 10RB5-4600 4600 1900 1.25 10WEIGHT – 3.5 lbs.NOTES: “Ruggedized” versions of ring and bushing mounts for enhanced cyclic load-bearing capability are available. Consult VMC for specifics on our RBX line of ruggedized ringand bushing mounts.VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.628Vibration Mountings & Controls, Inc.

CMSERIESELASTOMERICMOUNTSAPPLICATIONS5 - 110 LBLOAD RANGECUP-TYPE MOUNTSCM Series are elastomeric cup mounts that providesuperior shock and vibration isolation for a varietyof applications, environments and mounting configurations.These mounts are ideal for use in very lowload applications where portability and accessibility arerequired – electronic equipment, camerasystems, control panels, and airborne and marineequipment systems.The CM Series cup mounts offer a low profile, lightweight,all-attitude design for flexible installation innumerous locations. The series are available in coldrolled,zinc-plated steel or aluminum housings to meetvirtually any weight requirements. All metal surfaceshave a corrosion-resistant coating for extra protectionand durability.Two different elastomeric element types are alsoavailable in the CM Series. The standard elastomericelement that offers operating temperatures of -20 o Fto +180 o F. A special order silicone elastomeric elementoffers operating temperatures of -80 o F to +300 o F; anda damping ratio of C/C c =.20 to .25 depending ondynamic input. Consult the VMC Engineering departmentfor details.Both elastomers resist oils, ozone and most solvents –providing optimum resilience in difficult conditions.At weights from 3.5 to 14 oz., the CM Series isideal for a wide range of lightweight, portable equipmentapplications.FEATURES & BENEFITS• Static load range from 5-110 lbs. offers severalsolutions for low load applications.• Lightweight cup housing design permits installationin smaller equipment where space is at a premium.• All-attitude mounting allows mounting placement inany orientation.• Zinc-plated steel or aluminum housing optionsmeet virtually any weight requirements.• Corrosion-resistant coating on all metal surfacesprovides extra durability.• Two different elastomeric element options meetoperating temperature requirements for almostany application.• Nominal frequency of 30 Hz provides structurebornenoise attenuation in even the most challenginginstallations.APPLICATIONS• Avionics• Shipboard and vehicular electronics• Motor generator sets• Pumps and compressors• Camera systems• Fans and blowers• Control panels• Military communications equipmentNOTES: Alternate cup and base materials and finishes include olive-drabzinc plate, paint and special threaded inserts. Enhanced damping siliconesalso available.VMC can mold almost any elastomer into any of its elastomer mount products. Specialmaterials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many ofthese are color coded by hardness.632Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSCMSERIESTECHNICALTYPE CM1MAX. MOBILEMAX. STATIONARYMODEL # LOAD, lbs. LOAD, lbs.CM1-5* 5 8CM1-14 14 20CM1-24 24 30CM1-38 38 70CM1-60 60 100*Available in silicone onlyWeight: 5.5 oz. (Steel); 3.5 oz. (Alum.)TYPE CM2MAX. MOBILEMAX. STATIONARYMODEL # LOAD, lbs. LOAD, lbs.CM2-30 30 50CM2-50 50 100CM2-80 80 150CM2-110 110 250*Available in silicone onlyWeight: 14 oz. (Steel); 81⁄2 oz. (Alum.)NOTES: Alternate cup and base materials and finishes include olive-drab zinc plate, paint and special threaded inserts. Enhanced damping silicones also available.VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 633

VLMSERIESELASTOMERICMOUNTSAPPLICATIONS50 - 12,000 LBLOAD RANGELEVEL-FLEX LEVELING MOUNTSVLM Level-Flex Series are elastomeric leveling mountsthat provide effective shock and vibration control for alltypes of general metalworking and processing machinery.A built-in leveling feature provides height adjustmentto compensate for floor irregularities and/orunequal mounting deflection. Typical applicationsinclude printing presses, milling machines, punchpresses and lathes.The VLM Series mounting base consists of a ribbeddesign that provides a non-skid surface – eliminatingthe need to bolt machinery to the floor. This dramaticallycuts machine installation time. Four different VLMSeries sizes provide load capacities up to 12,000 lbs.per mounting – offering mounts that are accuratelyselected for appropriate equipment weight distribution.The structural sections consist of painted steel housingswith electroplated hardware. All metal surfaceshave a corrosion-resistant coating for extra protectionand durability. The elastomeric elements resist oils,ozone and most solvents – providing optimumresilience in most conditions. A natural frequency of 10Hz provides structure-borne noise attenuation in virtuallyall installations.FEATURES & BENEFITS• Very wide static load range of 50-12,000 lbs. offerssolutions for almost any production floor application.• Built-in leveling provides height adjustment for floorirregularities and/or unequal mounting deflection.• Ribbed mounting base provides a non-skid surface– eliminating the need to bolt machinery to the floor.• Corrosion-resistant coating on all metal surfacesprovides extra durability.• Nominal frequency of 10 Hz provides structurebornenoise attenuation in even the mostchallenging installations.APPLICATIONS• Grinders, jig bores, lathes• Milling machines• Processing equipment• Printing presses• Punch presses, shears, brakesNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.634Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSVLMSERIESTECHNICALDIMENSIONSMODEL # A B C DVLM-3 3.5" 1.125" 0.5"–13 3.5"VLM-5 5" 1.75" 0.5"–13 5"VLM-6 6.25" 1.75" 0.75"–10 5"VLM-8 8" 2" 1"–14 8"MODEL #AXIAL STATIC LOAD MAX., lbs.VLM-3 1000VLM-5 1500VLM-6 4000VLM-8 12000NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 635

TTBSERIESELASTOMERICMOUNTSAPPLICATIONS250 - 1000 LBLOAD RANGEFLUSH-TYPE CAPTIVE MOUNTSTTB Series are flush-type, captive elastomeric mountsthat provide effective shock and vibration control forvertically applied loads. Typical applications includegenerators, compressors, HVAC equipment, productionplant machinery, mobile applications or whereseismic activity is a concern.The TTB Series housings are low profile designs idealfor installations with space restrictions and vertical loadrequirements. Structural sections are made of carbonsteel for optimum strength and durability. All metal surfaceshave a corrosion-resistant coating that providesextra protection and long-life.The elastomeric coatings resist oils, ozone and mostsolvents – providing optimum resilience in most conditions.The failsafe design offers built-in snubbing thatprevents the elastomeric elements from coming in contactwith the housing. The operating temperature rangeof -20 o F to +180 o F offers continuous operation in allambient conditions.FEATURES & BENEFITS• Static load range from 250-1000 lbs. offers severalsolutions for light and medium load applications.• Low natural frequency of 9 Hz at maximum loadprovides structure-borne noise attenuation in eventhe most difficult environments.• Low profile housing design permits vertical installationwhere space is restricted.• Built-in, failsafe snubbing keeps equipment securein mobile and seismic applications.• Corrosion-resistant coatings on all metal surfacesoffer extra protection and long-life.• Damping ratio of 5:1 offers excellentenergy dissipation.APPLICATIONS• Motor generators and compressors• Pumps and centrifuges• Mobile equipment and machinery• Fans and blowers• HVAC equipment• In-plant machineryNOTES: TTA Series Mount available for lighter loads. Contact VMC for more information.VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.636Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSTTBSERIESTECHNICALMODEL #TYPE TTBAXIAL STATIC LOAD RANGE, lbs.TTB-10-500 250 – 500TTB-10-750 500 – 750TTB-10-1000 750 – 1000NOTES: TTA Series Mount available for lighter loads. Contact VMC for more information.VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 637

RDC2SERIESELASTOMERICMOUNTSAPPLICATIONS90 - 550 LBLOAD RANGEFLUSH-TYPE CAPTIVE MOUNTSRDC2 Series are flush-type, captive failsafe elastomericmounts that provide effective shock and vibration controlfor portable, marine and stationary equipmentapplications. Typical applications include highway andoff-highway vehicles, power plants, HVAC equipment,generators, compressors and equipment where seismicsituations are a concern.The RDC2 Series offer rugged, all-bonded construction.Structural sections are made of carbon steel andsintered metal for long-lasting durability. All metal surfaceshave a corrosion-resistant coating that providesextra protection and long-life.The elastomeric coatings resist oils, ozone and mostsolvents – providing optimum resilience in most conditions.The failsafe design has a built-in snubbing washerthat prevents the elastomeric elements from comingin contact with the housing. The operating temperatureof -20 o F to +180 o F offers continuous operation in allambient conditions.FEATURES & BENEFITS• Static load range from 90-550 lbs. offers severalsolutions for lighter load applications.• Compact housing design permits installation inequipment where space is at a premium.• Built-in, failsafe snubbing keeps equipment securein mobile and seismic applications.• Corrosion-resistant coatings on all metal surfacesoffer extra protection and long-life.• Natural frequency of 12 Hz at maximum load providesstructure-borne noise attenuation in even themost challenging applications.• Damping ratio of 5:1 offers excellentenergy dissipation.NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.638Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSRDC2SERIESTECHNICALMODEL #AXIAL STATIC LOAD RANGE, lbs.RDC2-175 90 – 175RDC2-300 150 – 300RDC2-425 225 – 425RDC2-550 350 – 550APPLICATIONS• Highway and off-highway vehicles – engines, cabsand radiators• Motor generators and compressors• Pumps and centrifuges• Portable equipment and machinery• Marine equipment• Fans and blowers• HVAC Equipment• Electrical transformers, panel boardsand substations• Seismic installations• Power plant machineryNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 639

R/RDSERIESELASTOMERICMOUNTS0.20 - 0.50”DEFLECTIONAPPLICATIONS35 - 4000 LBLOAD RANGEFLUSH-TYPE MOUNTSR/RD Series are elastomeric flush-type mounts thatprovide effective vibration control for all types of generalmetalworking and production machinery. Typicalapplications include air handling units, businessmachines, instrument panels and machine tools.The R/RD Series have ribbed, non-skid bases and maybe installed with or without bolting the mounts to themachinery. No bolting is required under machines thathave no lateral or severe vertical motion. The RP/RDPversions offer mounting with a pin for inaccessiblebolt holes.The R/RD Series mounts are embedded in coloredelastomer. This color-coding system permits instantidentification of loading capacities, and prevents installationerrors. The R Series offer deflections to 1/4” andthe RD Series offer deflections to 1/2”. Four differentsizes offer a load capacity range of 10 to 4000 lbs. permounting – offering mounts that may be accuratelyselected for the equipment weight.The elastomeric coatings resist oils, ozone and mostsolvents – providing optimum resilience in mostconditions. Note that these mounts are not inherentlyfailsafe and are recommended for stationary, verticalloads only.VMC’s weather-resistant compounds are popular withusers of the R/RD line and are now a standard offeringas R-WR/RD-WR mounts. Color-coded molding is afeature of our WR materials.FEATURES & BENEFITS• Static load range of 35-4000 lbs. offers solutionsfor a wide range of equipment weights.• Choice of 0.2” or 0.5” load deflection providesaccurate selection of mounts based onequipment requirements.• Tapped bolt holes permit more secure installationif required.• Ribbed mounting base provides a non-skidsurface – eliminating the need to bolt machineryto the mounts.• Elastomer-coated mounts are color-coded foreasy identification.• Contact VMC for other engineeredrubber compounds.APPLICATIONS• Air handling units• Compressors, pumps and fans• Instrument panels• Engine gensets• Transformers• HVAC equipment• Machine toolsNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.640Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSR/RDSERIESTECHNICALTYPE R/RD1CODE MAX DEFLECTION, ins.MODEL # COLOR LOAD, lbs. R RDR/RD1 Blue 35 0.20 0.40R/RD1 Black 45 0.20 0.40R/RD1 Red 70 0.20 0.40R/RD1 Green 120 0.20 0.40TYPE R/RD2CODE MAX DEFLECTION, ins.MODEL # COLOR LOAD, lbs. R RDR/RD2 Blue 135 0.25 0.50R/RD2 Black 170 0.25 0.50R/RD2 Red 240 0.25 0.50R/RD2 Green 380 0.25 0.50R/RD2 Grey 550 0.25 0.50NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 641

R/RDSERIESELASTOMERICMOUNTSTYPE R/RD3CODE MAX DEFLECTION, ins.MODEL # COLOR LOAD, lbs. R RDR/RD3 Black 250 0.25 0.50R/RD3 Red 525 0.25 0.50R/RD3 Green 750 0.25 0.50R/RD3 Gray 1100 0.25 0.50TYPE R/RD4CODE MAX DEFLECTION, ins.MODEL # COLOR LOAD, lbs. R RDR/RD4 Black 1500 0.25 0.50R/RD4 Red 2250 0.25 0.50R/RD4 Green 3000 0.25 0.50R/RD4 Gray 4000 0.25 0.50NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.642Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSGR/GCSERIESAPPLICATIONS7 - 50 LBLOAD RANGEPLATE & CUP-TYPE MOUNTSGR/GC Series includes low profile, elastomeric mountsthat provide superior shock and vibration isolation for avariety of applications, environments and mountingconfigurations. These mounts are ideal for use invery low load applications where portability and accessibilityare required – electronic equipment, camerasystems, control panels, small motors, and marineequipment systems.The GR/GC Series mounts are available in both cupor plate configurations. These mounts offer a lowprofile, lightweight, multi-attitude design for flexibleinstallation in numerous locations. All metal surfaceshave a corrosion-resistant coating for extra protectionand durability.Two different elastomeric element types are also availablein the GR/GC Series. The standard elastomericelement that offers operating temperatures of -20 o Fto +180 o F, and the silicone elastomeric element thatoffers operating temperatures of -80 o F to +300 o F. Bothelastomers resist oils, ozone and most solvents – providingoptimum resilience in difficult conditions.Special variations to the GR/GC series include flushtop and bottom surfaces, through-hole or countersunkhole on the GR2, and high damped custom colorcodedmaterials. Consult VMC for more details.FEATURES & BENEFITS• Static load range from 7-50 lbs. offers several solutionsfor low load applications.• Lightweight housing design permits installation insmaller equipment where space is at a premium.• All-attitude mounting permits placement inany orientation.• Two different elastomeric element options meetoperating temperature requirements for almostany application.• Nominal frequency of 30 Hz provides structurebornenoise attenuation in even the most challenginginstallations.• Corrosion-resistant coating on all metal surfacesprovides extra durability.APPLICATIONS• Avionics and aerospace electronics• Shipboard and vehicular electronics• Small motors• Small fans, blowers, pumps and compressors• Electronic and computer equipment• Camera systemsNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 643

GR/GCSERIESELASTOMERICMOUNTSTECHNICALTYPE GR2MAX LOAD/ PLATE TYPE/ PLATE TYPE/MOUNT, lbs. TAPPED CORE THRU CORE5.0 GR2-5T( ) GR2-5H( )7.0 GR2-7T( ) GR2-7H( )10.0 GR2-10T( ) GR2-10H( )Fill in ( ) S – Silicone or N – NeopreneApprox weight – .042 lbs.TYPE GC2MAX LOAD/ PLATE TYPE/ PLATE TYPE/MOUNT, lbs. TAPPED CORE THRU CORE5.0 GC2-5T( ) GC2-5H( )7.0 GC2-7T( ) GC2-7H( )10.0 GC2-10T( ) GC2-10H( )Fill in ( ) S – Silicone or N – NeopreneApprox weight – .042 lbs.NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.644Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSGR/GCSERIESTYPE GR3MAX LOAD/MOUNT PLATE TYPE/ PLATE TYPE/STATIONARY VEHICULAR TAPPED CORE THRU COREFill in ( ) S – Silicone or N – NeopreneApprox weight – .2 lbs.15 7 GR3-15T( ) GR3-15H( )25 11 GR3-25T( ) GR3-25H( )35 17 GR3-35T( ) GR3-35H( )50 30 GR3-50T( ) GR3-50H( )TYPE GR3MAX LOAD/MOUNT PLATE TYPE/ PLATE TYPE/STATIONARY VEHICULAR TAPPED CORE THRU COREFill in ( ) S – Silicone or N – NeopreneApprox weight – .2 lbs.15 7 GC3-15T( ) GC3-15H( )25 11 GC3-25T( ) GC3-25H( )35 17 GC3-35T( ) GC3-35H( )50 30 GC3-50T( ) GC3-50H( )NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 645

LDSERIESELASTOMERICMOUNTSAPPLICATIONS7 - 40 LBLOAD RANGELARGE DEFLECTION MOUNTSLD Series are mid-frequency isolators with a largedeflection capability that provides both shock andvibration protection for a variety of stationary applications.These mounts can attenuate a 15g, 11-millisecondshock to 10g; and a 30g, 11-millisecond shock to16g. The LD Series mounts are ideal for use in applicationswhere vibration and shock are a concern – electronicequipment, camera systems and computers.Two different elastomeric element types are available inthe LD Series. The standard elastomer that offersoperating temperatures of -20 o F to +180 o F provideseffective isolation in most applications. The optionalpolybutadiene version is used for situations when operatingtemperatures may drop as low as -65 o F. Bothversions are excellent when high amplitude vibrationinputs are expected or large shock deflections areneeded. Both versions also resist oils, ozone andmost solvents – providing optimum resilience indifficult conditions.No special tools are required for installation. The centralcores are tapped to accept common screws. Notethat these mounts are not inherently failsafe. These isolatedsystems do require suitable means of restraint.FEATURES & BENEFITS• Static load range from 7-40 lbs. offers several solutionsfor low load applications.• Large deflection capability can dramatically reduceabrupt shock impacts as high as 30g.• Two different elastomer unit options meet operatingtemperature requirements for even the mostextreme conditions.• Elastomeric mounts resist oils, ozone and mostsolvents – providing optimum resilience in challengingconditions.• Central cores accept common screws – offeringsimple installation.APPLICATIONS• Computers• Camera systems• Electronic equipment• Pumps and compressors• Transformers• Appliances• Small motorsNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.646Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSLDSERIESTECHNICALMODEL #TYPE LD1AXIAL STATIC LOAD MAX., lbs.LD1-7N 7LD1-10N 10LD1-15N 15Tested with .036 in. D.A. inputMODEL #TYPE LD2AXIAL STATIC LOAD MAX., lbs.LD2-10N 10LD2-20N 20LD2-40N 40Tested with .036 in. D.A. inputNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 647

MAXI-FLEXSERIESELASTOMERICMOUNTSAPPLICATIONS120 - 360 LBLOAD RANGEE-Z CUT MOUNTING PADSMaxi-Flex E-Z Cut Series are elastomeric pad-typemounts that provide excellent high frequency soundattenuation in many HVAC equipment and machineshop applications. The E-Z Cut Series are very effectivein preventing shock and vibration transmissions innon-critical installations – compressors, pumps,chillers, generators, presses, and transformers.The E-Z Cut Series are made up of molded elastomericpads in standard size sheets – 18” x 18” x 3/4”FEATURES & BENEFITS• Four load ranges from 120 to 360 lbs. per 2”square segment satisfy a wide variety of deflectionrequirements.• Thin web separating square segments permits easycut-to-fit for required equipment loading.• Color-coded, oil-resistant elastomer provides simpleidentification and durability.thick, consisting of 2” square segments. A thin webseparates the segments and can easily be cut to fit therequired loading and shape of equipment bases. TheE-Z Cut Series are available in four load ranges from120 to 360 lbs. per 2” square segment. The pads aremolded in color-coded, oil-resistant elastomer for easyidentification and durability.Weather Resistant (WR) Maxi-Flex is also a standardVMC color-coded product.TECHNICALCOLORCODERECOMMENDED LOAD RATINGSPER 2" X 2" SEGMENT, lbs.Blue 120Black (standard) 180Red 240Green 360NOTE: For increased deflection, Maxi-Flex Pads can be stacked with 16 gauge shimsseparating the layersAPPLICATIONS• Air conditioners• Processing equipment• Cooling towers• Crushers• Engine gensets• Textile machinery• Hammers• Transformers• Punch Presses• Shearing equipment• Lathes• Pumps & compressors• Fans• Chillers• General industrialmachineryNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.648Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSCORK-FLEXSERIESAPPLICATIONS1400 - 8000 LBLOAD RANGEMACHINERY CORK MOUNTING PADSCork-Flex Series are machinery cork pads thatprovide excellent high frequency sound attenuationunder extremely heavy load applications. The Cork-Flex Series are very effective in preventing shockand vibration transmissions in processing equipment,cooling towers, hammers, air conditioners, andtextile machinery.The Cork-Flex Series consists of pure cork granulesthat are compressed and baked under pressure withaccurately controlled density. Cork-Flex pads areoffered in a 12” x 36” standard sheet size in standardor heavy density capacities. Cut to size is also available.The Cork-Flex Series can be installed on the floor,below the floor line, or with a retaining “curb” for equipmentthat is prone to “walk”. Cork-Flex pads resist theoils, water and acids normally encountered in commercialand industrial applications.FEATURES & BENEFITS• Pure cork granules that are compressed andbaked under pressure form very durable andresilient boards with accurately controlled density.• Two density capacities and several different thicknessesprovide engineers with a wide range of padoptions to meet specific requirements.TECHNICAL• Cork construction resists oils, water and acids normallyencountered in commercial and industrialapplications.• Load ranges from 1400 to 8000 lbs. provide isolationunder a wide range of heavy load applications.APPLICATIONSDENSITY WEIGHT, lbs./ LOAD CAPACITY, THICKNESSDESIGNATION BOARD, ft. lbs./sq. ft. AVAILABLE, ins.Standard 1.25-1.35 1400-4300 1, 2, 3Heavy 1.5-1.7 4300-8000 1, 2, 3• Air conditioners• Processing equipment• Cooling towers• Crushers• Engine gensets• Textile machinery• Hammers• Transformers• Punch Presses• Shearing equipment• Lathes• Pumps• Compressors• Fans• Chillers• General industrialmachineryNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 649

CORK-RIBSERIESELASTOMERICMOUNTSAPPLICATIONSUP TO4800 LBLOAD RANGECORK & WAFFLE EMBOSSED MOUNTING PADSCork-Rib Mounts are close-grained cork pads that providethe highest degree of sound attenuation andvibration isolation attainable in a pad-type mount. TheCork-Rib Pads are very effective in heavy load situations– processing equipment, hammers, punch pressesand textile machinery.Cork-Rib Pads consist of 1/2” thick compressed corkcenters bonded between two layers of 1/4” thick waffle-shapedelastomer. Two types are available – Cork-Rib Pads and Cork-Rib Flex-Plates. Cork-Rib Pads are1” thick and are available in sheets of 24” x 36”, 18” x36” and 18” x 18”. Smaller pads are also available.psi. The Flex-Plates add a load-spreading steel platebetween the elastomeric waffle layer and the cork center.The strongest Flex-Plate design can handle 4800lbs. of static load.Cork-Rib Pads offer exceptional gripping qualities –eliminating the need for bolting or cementing pads tothe equipment or to the floor. The Flex-Plate types alsooffer bolt holes and isolation washers for extra security,or extra thick steel plates with counter-bored holes forself-leveling machinery. All Cork-Rib mountings resistthe oils, water and acids normally encountered in commercialand industrial applications.Cork-Rib Flex-Plates are for use in applications whereconcentrated loads exceed a maximum bearing of 120FEATURES & BENEFITS• Load ranges up to 120 psi provide isolation undera wide range of heavy load applications.• Compressed cork centers bonded between twolayers of waffle-shaped elastomer offer superiorsound attenuation and vibration isolation.• Waffle-shaped outer pads offer exceptionalgripping and require no bolting or cementing inmost applications.• Wide range of product sizes and a steel plateoption provide a variety of pad choices to meetspecific requirements.• Cork and elastomeric construction resists oils,water and acids normally encountered in commercialand industrial applications.NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.650Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSCORK-RIBSERIESTECHNICALDIMENSIONS IN INCHESMAX. LOAD, lbs.HEIGHT-TYPEMODEL # STEADY IMPACT* LENGTH WIDTH AA BB CCAA-4, BB-4, CC-4 200 160 2 2 1 1/2 1 1/4 1 3/8AA-9, BB-9, CC-9 450 360 3 3 1 1/2 1 1/4 1 3/8AA-16, BB-16, CC-16 800 640 4 4 1 1/2 1 1/4 1 3/8AA-24, BB-24, CC-24 1200 960 6 4 1 1/2 1 1/4 1 1/2AA-36, BB-36, CC-36 1800 1440 6 6 1 1/2 1 1/4 1 1/2AA-48, BB-48, CC-48 2400 1920 8 6 1 1/2 1 1/4 1 1/2AA-64, BB-64, CC-64 3200 2560 8 8 1 5/8 1 3/8 1 5/8AA-80, BB-80, CC-80 4000 3200 10 8 1 5/8 1 3/8 1 5/8AA-96, BB-96, CC 96 4800 3840 12 8 1 5/8 1 3/8 1 5/8*Use for Hammers, Shears, Punch Presses, Mills, etc.NOTE: Special Cork-Rib Flex-Plate Sizes & Capacities on request.APPLICATIONS• Air conditioners• Processing equipment• Cooling towers• Crushers• Engine gensets• Textile machinery• Hammers• Transformers• Punch Presses• Shearing equipment• Lathes• Pumps• Compressors• Fans• Chillers• General industrial machineryNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 651

SHEAR-FLEXSERIESELASTOMERICMOUNTSAPPLICATIONS20 - 100 LBLOAD RANGECROSS-RIB MOUNTING PADSShear-Flex are elastomeric pad-type mounts that provideexcellent high frequency sound attenuation inmany HVAC equipment and machine shop applications.Shear-Flex Pads are very effective in preventingshock and vibration transmissions in non-critical installations– air conditioners, compressors, fans, hammers,generators, presses, and pumps.Shear-Flex Pads are molded elastomeric pads in aresilient cross-rib design. Standard sheet sizes are18” x 18” x 3/4” thick and 18” x 36” x 3/4” thick. Thesegments can easily be cut to fit the required loadingFEATURES & BENEFITSand shape of equipment bases. Shear-Flex Pads areavailable in three load ranges from 20 to 100 psi. Thepads are molded in color-coded, oil-resistant elastomerfor easy identification and durability.Shear-Flex Pads offer exceptional gripping – eliminatingthe need for bolting or cementing in most applications.Adhesive is available for applications having severehorizontal thrust. Shear-Flex Pads may also be used inmultiple layers to increase deflection and are availablepre-assembled, cut to size, with steel plates cementedbetween the layers.APPLICATIONS• Three load ranges from 20 to 100 psi satisfy a widevariety of deflection requirements.• Resilient cross-rib design provides exceptional grippingthat requires no bolting or cementing.• Color-coded, oil-resistant elastomer provides simpleidentification and durability.• Multiple layer installation offers extra deflection andload range options.TECHNICAL• Air conditioners• Processing equipment• Cooling towers• Crushers• Engine gensets• Textile machinery• Hammers• Transformers• Punch Presses• Shearing equipment• Lathes• Pumps & compressors• Fans• Chillers• General industrialmachineryNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.652Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSSHEAR-FLEXSERIESDIMENSIONS IN INCHESMAX. LOAD, lbs.HEIGHT-TYPEMODEL # STEADY IMPACT* LENGTH WIDTH A B CA-4, B-4, C-4 280 200 2 2 7/8 5/8 3/4A-9, B-9, C-9 630 450 3 3 7/8 5/8 3/4A-16, B-16, C-16 1120 800 4 4 7/8 5/8 3/4A-24, B-24, C-24 1680 1200 6 4 7/8 5/8 7/8A-36, B-36, C-36 2520 1800 6 6 7/8 5/8 7/8A-48, B-48, C-48 3360 2400 8 6 7/8 5/8 7/8A-64, B-64, C-64 4480 3200 8 8 1 3/4 1A-80, B-80, C-80 5600 4000 10 8 1 3/4 1A-96, B-96, C-96 6720 4800 12 8 1 3/4 1*Use for Hammers, Shears, Punch Presses, Mills, etc.NOTE: Special Flex-Plate Sizes & Capacities on request.NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 653

FABRI-FLEXSERIESELASTOMERICMOUNTS1.00”DEFLECTIONAPPLICATIONS1000 PSILOAD RANGEFABRIC MOUNTING PADSFabri-Flex are isolation pads with 1000 psi loadingcapability for excellent high frequency sound attenuationunder extremely heavy load applications.Fabri-Flex Pads consist of multiple layers of high quality,cotton duck fabric thoroughly impregnated andbonded together by a specially formulated elastomericFEATURES & BENEFITScompound. Standard thickness ranges from 1/8” to 1”and the pads are cut to size requirements.Fabri-Flex Pads are also available in a washer design.Manufactured of the same material, the washers aredesigned to eliminate metal-to-metal contact betweensteel bolting and steel bearing plates.TECHNICAL• Load ranges to 1000 psi provide isolation underextremely heavy load applications.• Multiple-layered, cotton duck fabric thoroughlyimpregnated and bonded with an elastomeric compoundoffers excellent durability.• Standard thickness ranges from 1/8” to 1” for useunder a wide range of machinery.• Optional washer design is ideal for eliminatingmetal-to-metal contact between steel boltings andsteel bearing plates.APPLICATIONS• Air conditioners• Processing equipment• Cooling towers• Crushers• Engine gensets• Textile machinery• Hammers• Transformers• Punch Presses• Shearing equipment• Lathes• Pumps & compressors• Fans• Chillers• General industrialmachineryNOTE: VMC can mold almost any elastomer into any of its elastomer mount products.Special materials include, but are not limited to, natural rubber, Weather Resistant (WR),High Damped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM.Many of these are color coded by hardness.FABRI-FLEX WASHERS – DIMENSIONSWASHER SIZEWASHER SIZEBOLT SIZE, ins. ID. OD. BOLT SIZE, ins. ID. OD.3/8 7/16 1 3/4 13/16 21/2 9/16 1 3/8 7/8 15/16 2 1/45/8 11/16 1 3/4 1 1 1/16 2 1/2654Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSELASTO-GRIPSERIESAPPLICATIONS60 - 120 PSILOAD RANGEWAFFLE-EMBOSSED MOUNTING PADSElasto-Grip Pads are waffle-embossed mounts thatprovide excellent high frequency sound attenuation inmany HVAC equipment and machine shop applications.The Elasto-Grip Pads are very effective in preventingshock and vibration transmissions in low tomedium load installations – engines, compressors,fans, generators, punch presses, and pumps.Elasto-Grip Pads are made of molded elastomer in aresilient waffle design. This unique design providesexcellent tear and abrasion resistance with extremelyhigh tensile and compressive strength. Sheets areavailable with waffle embossing on one side of 1/4”thick pads, or with waffle embossing on both sidesof 1/2” thick pads. Sheet sizes are available up to24” x 36”.Elasto-Grip pads offer exceptional gripping – eliminatingthe need for bolting or cementing in most applications.The pads are resistant to water, oils, cleaningcompounds, heat and other environmental factors normallyfound in manufacturing and processing plants.FEATURES & BENEFITS• Load ranges from 60 to 120 psi satisfy a wide varietyof deflection requirements.• Waffle design provides excellent tear and abrasionresistance with extremely high tensile and compressivestrength.• Strong waffle-embossed design providesexceptional gripping that requires no boltingor cementing.• Color-coded, oil-resistant elastomer provides simpleidentification and durability.TECHNICALAPPLICATIONSCAPACITY LOAD RANGE MAX. SHEETTYPE THICKNESS lbs./sq. in. SIZE, ins.Standard 0.25”, waffle embossedCapacity – one side onlyup to 60 24x36HighCapacity5”, waffle embossed– both sides60-120 24x36NOTE: Suggested loadings for engines, compressors, fans, etc. is 50 lbs./sq. in.Suggested loadings for punch presses, shears, etc. is 40 lbs./sq. in.• Air conditioners• Processing equipment• Cooling towers• Crushers• Engine gensets• Textile machinery• Hammers• Transformers• Punch Presses• Shearing equipment• Lathes• Pumps & compressors• Fans• Chillers• General industrialmachineryNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 655

ELASTO-RIBSERIESELASTOMERICMOUNTSAPPLICATIONS260 - 12,000 LBLOAD RANGECROSS-RIB MOUNTING PADSType 'EU' universal Elasto-Rib Damper is furnishedwith a load distributing steel plate permanently bondedto the Elasto-Rib pad, for use where the machine leg issmaller than the area of Elasto-Rib required, or whenmounting without built-in levelling is needed.Installation is simple – the machine may normally beplaced on the damper's non-skid top plate without anyfastening or may be cemented (see arrangement 1 inTechnical section), or bolted through the offset holeprovided (arrangement 2). Resilient washers requiredfor arrangement 2 are furnished at no charge with allEU dampers. Machines having built-in levelling devicesare installed as shown in arrangement 3.FEATURES & BENEFITS• Load ranges from 260 to 12,000 psi satisfy a widevariety of deflection requirements.• Installation options using cement or boltsprovide easy set-up for a variety ofmachinery requirements.• Color-coded, oil-resistant elastomer provides simpleidentification and durability.• Non-skid top plate provides simple installationwithout any fastening.APPLICATIONS• Air conditioners• Processing equipment• Cooling towers• Crushers• Engine gensets• Textile machinery• Hammers• Transformers• Punch Presses• Shearing equipment• Lathes• Pumps• Compressors• Fans• Chillers• General industrial machineryNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.656Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSELASTO-RIBSERIESTECHNICALMAX. LOAD, lbs.DIMENSIONS, ins.MODEL # NON-IMPACT IMPACT† A B C DEU-4 390* 260 2 3/4 2 1/2 3/8 5/8EU-5 545* 362 4 2 1/2 1 5/8EU-8 785 523 2 3/4 2 1/2 5/8 5/8EU-10 1090 728 4 2 1/2 1 5/8EU-14 1440* 960 6 4 1 1/2 5/8EU-21 2100* 1400 7 5 2 5/8EU-28 2880 1920 6 4 1 1/2 5/8EU-42 4200 2800 7 5 2 5/8EU-60 6000* 4000 12 8 4 3/4 3/4EU-85 8500 5660 10 7 3 1/2 3/4EU-120 12,000 8000 12 8 4 3/4 3/4†For machines like punch presses, shears, etc.*Standard Capacity Elasto-Rib. All others, High CapacityNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 657

RH/RHDSERIESELASTOMERICMOUNTS0.25 - 0.50”DEFLECTIONAPPLICATIONS35 - 4000 LBLOAD RANGEELASTOMERIC HANGERSRH/RHD Series elastomeric isolation hangers offer costeffective solutions for the isolation of suspended equipment.These hangers are designed to solve high frequencyattenuation problems in a protected space orradiating from that space to surrounding locations.These isolators are ideal for suspended piping, ductwork,air handling units, and HVAC equipment.The equipment and piping are supported from vibrationhangers consisting of a steel box with an internal elastomericelement. The RH Series offer deflections to1/4” and the RHD Series offer deflections to 1/2”. Fourdifferent sizes provide load capacity ranges from 10 to4000 lbs. – offering accurate hanger selection even forunits with unequal weight distribution.FEATURES & BENEFITS• Static load range of 35-4000 lbs. offers solutionsfor a wide range of suspended equipment.• Choice of deflection provides accurate selection ofmounts based on equipment requirements.• Hanger capacities can be mixed to accommodateequipment with uneven weight distribution.• Elastomer-coated mounts are color-coded foreasy identification.• Steel housing provides durability and stability.The RH/RHD Series isolation elements are molded ofcolor-coded elastomer – permitting instant identificationof loading capacities. These units are molded with anintegral bushing to prevent the elastomeric elementsfrom coming in contact with the isolator housings. Allelements are molded in durometers or hardness tomatch actual assigned loads.TECHNICALNote: For seriesRHD Hangers,double thedeflectionshown for givenload.NOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.658Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSRH/RHDSERIESTYPE RH/RHD - DIMENSIONS, ins.MODEL # L W H A* AD** CRH-1 OR RHD-1 2 1/4 2 3 1 1/8 1 3/8 3/8RH-2 OR RHD-2 3 2 1/4 4 1/2 1 3/8 1 7/8 5/8RH-3 OR RHD-3 3 3/4 3 1/4 6 1/4 2 3 1/8 3/4RH-4 OR RHD-4 4 1/2 4 8 3/16 2 3 1/8 1*Dimension “A” is for singledetection type RH elements.**Dimension “AD” is for doubledeflection type RHD elements.TYPE RHE/RHDE - DIMENSIONS, ins.MODEL # W H* HD** A CRHE-1 OR RHDE-1 3/4 7/8 1 1/4 1 1/4 3/8RHE-2 OR RHDE-2 2 3/8 1 1/4 1 3/4 1 3/4 5/8RHE-3 OR RHDE-3 3 1/2 1 3/4 2 7/8 2 1/2 3/4RHE-4 OR RHDE-4 4 1 3/4 3 4 1*Dimension “H” is for singledetection type RHE elements.**Dimension “HD” is fordouble deflection typeRHDE elements.DEFLECTION, ins.MODEL # COLOR CODE MAX. LOAD, lbs. RH RHDRH-1 OR RHD-1 BLUE 35 0.20 0.40RH-1 OR RHD-1 BLACK 45 0.20 0.40RH-1 OR RHD-1 RED 75 0.20 0.40RH-1 OR RHD-1 GREEN 120 0.20 0.40RH-2 OR RHD-2 BLACK 170 0.25 0.50RH-2 OR RHD-2 RED 240 0.25 0.50RH-2 OR RHD-2 GREEN 380 0.25 0.50RH-2 OR RHD-2 GRAY 550 0.25 0.50RH-3 OR RHD-3 BLACK 250 0.25 0.50RH-3 OR RHD-3 RED 525 0.25 0.50RH-3 OR RHD-3 GREEN 750 0.25 0.50RH-3 OR RHD-3 GRAY 1250 0.25 0.50RH-4 OR RHD-4 BLACK 1500 0.25 0.50RH-4 OR RHD-4 RED 2250 0.25 0.50RH-4 OR RHD-4 GREEN 3000 0.25 0.50RH-4 OR RHD-4 GRAY 4000 0.25 0.50DEFLECTION, ins.MODEL # COLOR CODE MAX. LOAD, lbs. RH RHDRHE-1 OR RHDE-1 BLUE 35 0.20 0.40RHE-1 OR RHDE-1 BLACK 45 0.20 0.40RHE-1 OR RHDE-1 RED 75 0.20 0.40RHE-1 OR RHDE-1 GREEN 120 0.20 0.40RHE-2 OR RHDE-2 BLACK 170 0.25 0.50RHE-2 OR RHDE-2 RED 240 0.25 0.50RHE-2 OR RHDE-2 GREEN 380 0.25 0.50RHE-2 OR RHDE-2 GRAY 550 0.25 0.50RHE-3 OR RHDE-3 BLACK 250 0.25 0.50RHE-3 OR RHDE-3 RED 525 0.25 0.50RHE-3 OR RHDE-3 GREEN 750 0.25 0.50RHE-3 OR RHDE-3 GRAY 1250 0.25 0.50RHE-4 OR RHDE-4 BLACK 1500 0.25 0.50RHE-4 OR RHDE-4 RED 2250 0.25 0.50RHE-4 OR RHDE-4 GREEN 3000 0.25 0.50RHE-4 OR RHDE-4 GRAY 4000 0.25 0.50APPLICATIONS• Air handling units• Suspended ceilings• Piping• Ductwork• FansNOTE: VMC can mold almost any elastomer into any of its elastomer mount products. Special materials include, but are not limited to, natural rubber, Weather Resistant (WR), HighDamped Silicone, Extreme High Temperature (EHT) Silicone, Nitrile and EPDM. Many of these are color coded by hardness.Vibration Mountings & Controls, Inc. 659

DATAANALYSISFORMELASTOMERICMOUNTSENGINE GENSET ISOLATION DATA ANALYSIS FORMCompanyCONTACT INFORMATIONContact/TitleAddressCity State ZipMail DropPhoneGENSET (Make and Model)Equipment Operating SpeedTemperature Range (Operating)EmailFaxTECHNICAL REQUIREMENTSTotal Weight (wet)(Non-Operating)Stationary Seismic Non-CriticalFor Seismic Applications:Horizontal Acceleration (If Known)If Not Known (Local Building Code)Seismic ZoneInstallation Location (City, State, Zip)Other Relative Seismic Information (Building Height, Installed Height, Building Type, etc.)Please include equipment cut showing CG and mount locations or completely fill out page 661.660Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSDATAANALYSISFORMCG LOCATIONCGx CGy CGzP1xP2xP3xP4xP5xP6xP7xP8xP9xP10xP11xP12xMOUNT LOCATIONS, P1 THRU PnP1yP2yP3yP4yP5yP6yP7yP8yP9yP10yP11yP12yVibration Mountings & Controls, Inc. 661

DATAANALYSISFORMELASTOMERICMOUNTSENGINE ISOLATION DATA ANALYSIS FORMCompanyCONTACT INFORMATIONContact/TitleAddressCity State ZipMail DropPhoneENGINE (Make and Model)Number of CylindersEmailFaxTECHNICAL REQUIREMENTSTotal Weight (wet)Operating Speed Range Idle MaxRated HorsepowerOr Max. Torque2-Stroke 4-Stroke Firing Order FuelTransmission (Make and Model)Generator (Make and Model)Other (Specify)Moments of Inertia (About Composite C.G.)*IYYTemperature Range (Operating)Total WeightTotal WeightTotal WeightIXXIZZ(Non-Operating)Application EnvironmentComments*If moments of inertia are not known, a drawing of the engine with associated equipment is required.662Vibration Mountings & Controls, Inc.

ELASTOMERICMOUNTSDATAANALYSISFORMX1 (Transmission C.G.)X2 (Rear Mount Location)X3 (Engine C.G.)X4 (Front Mount Location)X5 (Tailstock Mount – If Applicable)Y1 (Transmission C.G.)Y2 (Rear Mount Location)Y3 (Engine C.G.)Y4 (Front Mount Location)Z1 (Transmission C.G. Offset)Z2 (Rear Mount Spread)Z3 (Engine C.G. Offset)Z4 (Front Mount Spread)L1L2W1W2H1Y5 (Application)Vibration Mountings & Controls, Inc. 663