S1146-B-WELL-MECH. SEALS-14pp - M Barnwell Services Ltd

S1146-B-WELL-MECH. SEALS-14pp 22/6/07 11:10 Page 13Conical Spring Type SealsTYPE 1659B / 1659BSMultiple-Spring, stepped shaft, balanced seal. Standard Type1659B incorporates a PTFE Wedge shaft seal, or specify Type1659BS for the ‘O’Ring version. Commonly supplied with asuitable smaller shaft size Type 24 DIN Long or Type 24 DINShort Seat. (1659BS drawing shown)TYPE 7DResilient, conical spring, ‘O’Ring mounted DIN standard seal.With the advantage of being able to replace the faces. The sealis very versatile and is suitable for a large variety of general andarduous duty applications, through a choice of face materialcombinations.Standard Stock Face Materials : Rotary Face : Carbon Other face materials to orderShaft Sizes : Available in standard shaft sizes 18mm to 100mmStandard Stock Face Materials : Rotary Face : Ceramic, Silicon CarbideOther face materials to orderShaft Sizes : Available in standard shaft diameters 10mm to 100mmSeat : Carbon, Silicon CarbideWave Spring Type SealsTYPE 1677 / 1677MWave spring, ‘O’Ring mounted seal commonly utilised in theEuropean chemical process industries. Manufactured to suitDIN 24960 (EN12756) dimensions. Supplied as Type 1677 withan inserted face or increasingly as Type 1677M, with amonolithic face design for exceptional performance. Type 8 DINLong Seat shown is standard, with other variants available.TYPE 8BConical spring, ‘O’Ring mounted seal and seat of similardesign to the Type 8 but with a solid stainless seal head and‘O’Ring mounted Carbon Seat. This Standard face combinationis suitable for general and medium duty applications.Standard Stock Face Materials : Rotary Face : Stainless Steel Stat Ring : Carbon Other face materials to orderShaft Sizes : Available in standard shaft diameters 10mm to 80mmStandard Stock Face Materials : Rotary Face : Sintered Silicon CarbideOther face materials to orderShaft Sizes : Available in standard shaft sizes 14mm to 100mmTYPE 1688Stat Ring : Sintered Silicon Carbide, CarbonWave spring mechanical seal with thin cross section and shortworking length. Most commonly used on rotary lobe pumps,found extensively in the food, process, dairy and breweryindustries. Popular, common sizes are fitted with SinusoidalSplit Wave Springs.TYPE 8Standard Stock Face Materials : Rotary Face : Carbon, Silicon Carbide, Tungsten CarbideTungsten Carbide Other face materials to orderShaft Sizes : Available in standard shaft diameters 10mm to 80mmConical spring, ‘O’Ring mounted seal with a wide choice ofelastometers and face materials. Suitable for a large variety ofgeneral duties and arduous duty applications, including thoseneeding high pV value face combinations.Stat Ring : Ceramic, Silicon Carbide,Standard Stock Face Materials : Rotary Face : Stainless Steel or Tungsten Carbide Stat Ring : Carbon, Silicon Carbide orTungsten Carbide Other face materials to orderShaft Sizes : Available in standard shaft sizes Inch : 0.625” to 3.000” Metric : 16mm to 100mmTYPE 1688LRotary based wave sprung mechanical seal with thin crosssection and short working length, supplied as standard withType 24 DIN Long seat. Most commonly used on rotary lobepumps found extensively in the food, process, dairy andbrewery industries. Popular, common sizes are fitted withSinusoidal Split Wave Springs.TYPE 8 DINStandard Stock Face Materials : Rotary Face : Carbon, Silicon Carbide, Tungsten CarbideCarbide, Tungsten Carbide Other face materials to orderShaft Sizes : Available in standard shaft diameters 10mm to 80mmConical spring, ‘O’Ring mounted, DIN standard seal and DINlong seat with drive slot. Suitable for a large variety of generaland high duty applications through a ready choice of facematerial and elastomer materials.Stat Ring : Ceramic, Carbon, SiliconStandard Stock Face Materials : Rotary Face : Stainless Steel or Tungsten CarbideTungsten Carbide Other face materials to orderShaft Sizes : Available in standard shaft sizes 16mm to 100mmStat Ring : Carbon, Silicon Carbide orTYPE 12 DINA range of highly proficient, widely utilised, ‘O’Ring mounted,conical spring seals with solid, stainless steel head and carbonseat. Available to suit DIN 24960 (EN12756) housings. Suitablefor a wide variety of general and medium duties.Standard Stock Face Materials : Rotary Face : Stainless Steel, Silicon CarbideOther face materials to orderShaft Sizes : Available in standard shaft diameters 10mm to 100mmStat Ring : Carbon, Silicon Carbide1003