Metal Orifice Assemblies - O'Keefe Controls Inc

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DescriptionThe Precision Micro-Orifices ® are constructedof brass or stainless steel withorifice sizes from .0003" to .005" diameter.The orifices are used to accurately metervery low flow rates of gases or liquids.Optional stainless steel screens are availableto protect the tiny orifices from minutecontamination particles.Precision Micro-Orifices ®.0003" to .0050" DIA.Type BLP - 1/8" NPT NippleType QXLP - 10-32 Bleed Plug19Applications• Precision metering of very low flowrates – gases or liquids• Standard for flow or leak rates• Accurate timing in pneumatic orhydraulic circuits• Flow limitingFeatures• High temperature capability(Type BLP, IBLP)• High pressure capability(Type BLP)• Bi-directional flow• High accuracy• NIST traceable• Optional in-line screens available(except Type IBLP)• Orifice calibration availableKitsSee page 33 for kit selection.Micro-Orifices ®Size Orifice Air FlowNumber Dia. @ 25 psigIn.sccmType MLP - 10-32 x 1/16" BarbDimensionsType BLPType MLPType QXLP1/8" NPT7/16"HEX.97"10-32 Straight ThreadSealBarb for 1/16"ID Plastic Tubing1/4" HEX.530".335"7-1/2°ConstructionType BLPType MLPType QXLPType IBLP - Insert0C .0003 1.240E .0005 3.440G .0007 6.741 .0010 14.01E .0015 31.02 .0020 55.02E .0025 86.03 .0030 1243E .0035 1684* .0040 2205* .0050 344* This size for stainless steel only.See pages 6 through 9 for brass orifices.® Registered Trademark of O'Keefe Controls Co.Type IBLP.087"/.089" Dia.1/4"Seal HEX10-32 Straight Thread.250".125"Press fits into.0930"/.0940" Dia. Bore.0945"/.0950" Dia.Type IBLPP.O. BOX Q • TRUMBULL, CT 06611 • CT PHONE (203) 261-6711 • TOLL FREE PHONE (800) 533-3285 • FAX (203) 261-8331© O'KEEFE CONTROLS CO. • 2000 ALL RIGHTS RESERVED e-mail ca@okcc.com • website www.okcc.com
20Supply Pressure — psigPrecision Micro-Orifices ®.0003" to .0050" DIA.AIR FLOW — SCCMOrificeDiameter (In.) .0003 .0005 .0007 .0010 .0015 .0020 .0025 .0030 .0035 .0040 .0050Size Number 0C 0E 0G 1 1E 2 2E 3 3E 4 5C v .0000019 .0000053 .0000104 .0000216 .0000477 .0000840 .0001300 .0001860 .0002580 .0003490 .00054505 0.50 1.38 2.70 5.60 12.4 20.9 33.8 48.2 67.9 90.6 14410 0.72 2.00 3.92 8.13 18.0 31.3 49.4 70.6 97.1 133 20315 0.90 2.51 4.92 10.2 22.2 40.2 62.6 88.7 123 164 25320 1.08 2.99 5.86 12.2 26.7 47.7 74.5 108 146 194 29925 1.24 3.44 6.74 14.0 31.0 55.0 86.0 124 168 220 34430 1.40 3.90 7.64 15.9 35.3 62.1 97.3 141 190 250 39040 1.74 4.83 9.47 19.7 43.8 77.4 123 173 233 309 48250 2.09 5.80 11.4 24.5 53.2 92.1 146 204 278 369 57060 2.42 6.73 13.2 28.4 61.8 107 169 237 324 428 66270 2.76 7.65 15.0 32.5 70.2 121 192 270 369 487 75380 3.09 8.57 16.8 36.5 78.9 135 215 303 415 542 84590 3.45 9.56 18.7 40.7 87.4 153 241 337 461 602 938100 3.80 10.6 20.9 44.8 96.1 168 269 371 504 662 1036Flow Accuracy ±0.40 ±0.50 ±0.60 ±0.70 ±1.5 ±4 ±6 ±8 ±10 ±20 ±20@ 25 psig SCCM SCCM SCCM SCCM SCCM SCCM SCCM SCCM SCCM SCCM SCCMAbove data applies toTypes BLP, MLP, QXLP,IBLPPrecisionPressure RegulatorDigitalMass FlowmeterMeasurements made@ 70°F ; 29.75" HgTESTPROCEDUREAccuracyAir InStandard Precision Micro-Orifices ® areproduced with very accurate characteristicsand are production tested at an airsupply pressure of 25 psig. The chart abovelists the nominal flow at 25 psig and theaccuracy of the measured flow for eachorifice size.CalibrationMeasured air flow data is optionally available.Twenty flow data points, over thespecified supply pressure range, are measuredwith NIST traceable instruments.DigitalPressure GageCONVERSION FACTORS STANDARD CONDITIONS UNITSGeneral SpecificationsMaximum Operating Pressure –• Type BLP (Brass) 2000 psig• Type BLP (SS) 4000 psig• Types MLP, QXLP 100 psig• Type IBLP (SS) 4000 psigBody OnlyFlow Direction – Suitable for flow in eitherdirection. Data in flow table is measured forthe direction shown in construction drawings.Flow – See chart above for air flow.Flow Accuracy – See chart above.Orifice Diameter –.0003" to .0050"(elevenstandard sizes). Consult factory for specialsizes.Cv Range – .000002 to .000545Fluid Media – Air, Water, Gases and Liquidscompatible with materials of construction.Fluids must be free of solid particles,.03 microns or larger.Materials of Construction –• Type BLP - 303SS or Brass• Type MLP - Brass/Viton gasket• Type QXLP-303SS or Brass/Viton gasket• Type IBLP - 303SSCustom Orifice SizesCustom orifice sizes, .0003" diameter andlarger, can be produced to exacting airpressure and flow specifications. Usingelectronic pressure and flow measuringequipment that is NIST traceable, the customMicro-Orifices ® are produced to customerspecifications. These custom orificesare available in types BLP, MLP,QXLP and IBLP. A certificate of complianceto customer specifications is providedfor all custom Micro-Orifices ® . Contactfactory for further details.P.O. BOX Q • TRUMBULL, CT 06611 • CT PHONE (203) 261-6711 • TOLL FREE PHONE (800) 533-3285 • FAX (203) 261-8331© O'KEEFE CONTROLS CO. • 2000 ALL RIGHTS RESERVED e-mail ca@okcc.com • website www.okcc.comOrificeFlow ToAtmosphereSCFH = .00212 X SCCM 68°F (20°C) SCFH = Standard cu. ft. per hr.SLPM = .001 X SCCM 14.7 psia SCCM = Standard cu. cm. per min.SLPM = Standard liters per min.® Registered Trademark of O'Keefe Controls Co.
Page 1 and 2: 2Table of Contents®®PagePicture I
Page 3 and 4: 4Sapphire Orifice AssembliesDescrip
Page 5 and 6: 6DescriptionOne-piece construction
Page 7 and 8: 8DescriptionOne-piece construction
Page 9 and 10: 10DescriptionThe inserts shown on t
Page 11 and 12: 12Metal Orifice AssembliesDescripti
Page 13: 14DescriptionPrecision orifice asse
Page 17: 18Sapphire Orifice Air Flow - SLPMO
Page 21 and 22: 22DescriptionStainless steel wire s
Page 27 and 28: 28DescriptionFine screens are used
Page 29 and 30: 30BreathersSS WIRE SCREENSDescripti
Page 31 and 32: 32Orifice KitsMETALDescriptionFor r
Page 33 and 34: 34Fundamentals of Flow MeasurementG
Page 35 and 36: 36Technical ConsiderationsMISCELLAN
Page 37 and 38: 38The Basic ConceptA greatly misund
Page 39 and 40: 40Water Flow TotalizersREMOTE READO
Page 41 and 42: 42AccessoriesFLOW METERSIn-Line Flo
Page 43 and 44: 44Check Valves - Fixed Flow Control
Page 51 and 52: 38Pneumatic Pressure SwitchesNON-EL
Page 53 and 54: AIR PROXIMITYSENSORGENERAL DESCRIPT
Page 55 and 56: Air/Electric SwitchesDESCRIPTIONThe
Page 57 and 58: PNEUMATICFLOAT SWITCH[Non-Electric]
Page 59 and 60: COMPRESSEDAIR DRYERSAND ACCESSORIES
Page 61 and 62: Low Dew Point Air Dryers3SELF-REGEN
Page 63 and 64: Compact Air Dryer5LOW DEW POINT8"Al
Page 65 and 66: Standard Air Dryer7INSERT MODULEDes
Page 67 and 68: Insert Module1/4"12-7/8"12-1/4"Stan
Page 69 and 70:
Standard Air Dryer System11PNEUMATI
Page 71 and 72:
Compressed Air Accumulators13AIR RE
Page 73 and 74:
High Flow Air Dryer System15PULSE F
Page 75 and 76:
Point-of-Use Air Dryer System17DEW
Page 77 and 78:
Air Dryer Accessories19MOISTURE IND
Page 79 and 80:
Automatic Drain Valves21ADJUSTABLE
Page 81 and 82:
Pneumatic Controls23SENSORSPneumati
Page 83 and 84:
MiniatureStainless SteelFittings an
Page 85 and 86:
DescriptionBARB ADAPTERMiniature St
Page 87 and 88:
Description10-32 x 1/8" NPTMiniatur
Page 89 and 90:
BREATHERMiniature Stainless Steel F
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Metal Orifice Assemblies - O'Keefe Controls Inc

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