Claron Polyseal Double Acting Piston Seal DPW/L

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Design:

Designed for use on split pistons, the seal is a precision moulded rubber element with rubberised fabric reinforcements as style DP but with additional full width Polyacetal anti-extrusion bearing rings at each end to allow larger machining clearances between the piston head and cylinder bore, and to permit higher working pressures. The Polyacetal bearing rings also support the piston head under side load conditions thus preventing metal to metal contact. The seal is designed with sufficient radial sectional interference that on complete assembly low pressure sealing is effected. The supporting rubberised fabric has the capability of retaining the sealing media thus assisting in reducing friction and wear. Style DPW/L has proven to be effective over a wide range of applications and is a popular alternative for existing housing designs.

NBR Rubber
DIN Hydraulic Fluid Description °C
H Mineral oil without additives 100
H-L Mineral Fluid with anti corrosion and anti ageing additives 100
H-LP Mineral oil as HL plus additives reducing wear, raising load 100
H-LPD Mineral oil as H-LP but with detergents and dispersants 100
H-V Mineral oil as H-LP plus improved viscosity temp. 100
HFA E Emulsions of mineral oil in water. Water content 80-95% 55
HFA S Synthetic oil in water. Water content 80-95% 55
HFB Emulsions of water in mineral oil. Water content 40% 60
HFC Aqueous polymer solutions. Water content 35% 60
HFD R Phosphoric acid ester based NS
HFD S Chlorinated hydrocarbon based NS
HFD T Mixtures of HFD R and HFD S NS
HEPG Polyglycol based NS
HETG Vegetable Oil based 60
HEES Fully synthetic ester based NS

These range perameters are Maximum simultaneous conditions. Optimum service conditions are affected by temperature,

speed, pressure, surface finish and extrusion gaps.

Refer to Appendix 1 for further information.

 

Housing

For surface finish and recommended lead in chamfers refer to the illustration below. For housing dimensions and machining

tolerances refer to the catalogue page of selected seal. Refer to Appendix 4 for value of tolerance symbols.

Fitting

For the seal to function correctly, it is important that care be taken in fitting the seal within its housing. For a detailed checklist, refer to Appendix 3.

 

 

 

 

 

Claron Part Number

 

 

 

 

 

 

 

 

H11

 

 

 

 

 

 

 

 

Js11                      h9                    js11                +0.25                    +0.00               Nominal        Minimum

 

 

 

 

 

 

 

 

Maximum

ØD1 Ød1 Ød2 Ød3 L1 L2 S C R1 R2
DPW 098059/L 25 15.0 21.80 24.0 15.5 5.00 5.00 2.5 0.2
DPW 126086/L 32 22.0 28.80 31.0 15.5 5.00 5.00 2.5 0.2
DPW 137087/L 35 22.3 31.52 34.0 19.4 6.30 6.35 3.0 0.2
DPW 157098/1L 40 25.0 34.80 39.0 24.0 6.00 7.50 4.0 0.2
DPW 177102/L 45 26.0 38.80 43.0 31.0 6.50 9.50 3.5 0.2
DPW 196137/1L 50 35.0 44.80 48.5 24.0 6.00 7.50 4.0 0.2
DPW 216157/L 55 40.0 49.80 53.5 24.0 6.00 7.50 4.0 0.2
DPW 236157/1L 60 40.0 53.80 58.5 31.0 7.00 10.00 5.0 0.2
DPW 248169/L 63 43.0 56.80 61.5 31.0 7.00 10.00 5.0 0.2
DPW 248188/L 63 48.0 57.80 61.5 24.0 6.00 7.50 4.0 0.2
DPW 275196/2L 70 50.0 63.80 68.0 31.0 7.00 10.00 5.0 0.2
DPW 314236/2L 80 60.0 73.80 78.0 31.0 7.00 10.00 5.0 0.2
DPW 354275/1L 90 70.0 83.80 88.0 31.0 7.00 10.00 5.0 0.2
DPW393295/L 100 75.0 93.80 98.0 25.0 9.50 12.50 6.5 0.4
DPW 393314/L 100 80.0 93.80 98.0 31.0 7.00 10.00 5.0 0.2
DPW 433354/L 110 90.0 103.80 108.0 31.0 7.00 10.00 5.0 0.2
DPW 472393/L 120 100.0 113.80 118.0 31.0 7.00 10.00 5.0 0.2
DPW 492393/2L 125 100.0 118.80 123.0 38.0 9.50 12.50 6.5 0.4
DPW 551472/L 140 120.0 133.80 138.0 31.0 7.00 10.00 5.0 0.2
DPW 570492/L 145 125.0 138.80 143.0 31.0 7.00 10.00 5.0 0.2
DPW 590492/1L 150 125.0 143.50 148.0 38.0 6.45 12.50 6.5 0.4
DPW 629531/L 160 135.0 153.80 158.0 38.0 9.50 12.50 6.5 0.4
DPW 629551/L 160 140.0 153.80 158.0 31.0 7.00 10.00 5.0 0.2
Claron Nominal Dimensions & Machining Tolerances
Part Number H11 Js11 h9              js11 +0.025″
+0.015″
+0.005″
-0.000
Nominal      Minimum    Maximum
ØD1                  Ød1                    Ød2                     Ød3                      L1                         L2                         S C R1 R2
DPW 075037/1L 0,750 0,375 0,615 0,718 0,593 0,182 0,187 0,093 0,008
DPW 100062/L 1,000 0,625 0,865 0,968 0,593 0,182 0,187 0,093 0,008
DPW 112062/1L 1,125 0,625 0,990 1,093 0,750 0,241 0,250 0,125 0,008
DPW 125075/L 1,250 0,750 1,115 1,218 0,750 0,245 0,250 0,125 0,008
DPW 137087/L 1,375 0,875 1,241 1,343 0,750 0,245 0,250 0,125 0,008
DPW 150100/L 1,500 1,000 1,365 1,468 0,750 0,245 0,250 0,125 0,008
DPW 162100/L 1,625 1,000 1,428 1,562 0,937 0,245 0,312 0,156 0,008
DPW 175112/L 1,750 1,125 1,552 1,687 0,937 0,245 0,312 0,156 0,008
DPW 200137/L 2,000 1,375 1,802 1,937 0,937 0,245 0,312 0,156 0,008
DPW 225162/L 2,250 1,625 2,052 2,187 0,937 0,245 0,312 0,156 0,008
DPW 237175/L 2,375 1,750 2,177 2,312 0,937 0,245 0,312 0,156 0,008
DPW 250187/L 2,500 1,875 2,302 2,437 0,937 0,245 0,312 0,156 0,008
DPW 262200/L 2,625 2,000 2,428 2,562 0,937 0,245 0,312 0,156 0,008
DPW 275200/L 2,750 2,000 2,482 2,687 1,187 0,245 0,375 0,187 0,008
DPW 300225/L 3,000 2,250 2,732 2,937 1,187 0,245 0,375 0,187 0,008
DPW 300225/4L 3,000 2,250 2,732 2,937 0,843 0,245 0,375 0,187 0,008
DPW 325250/L 3,250 2,500 2,982 3,187 1,187 0,245 0,375 0,187 0,008
DPW 350275/L 3,500 2,750 3,232 3,437 1,187 0,245 0,375 0,187 0,008
DPW 375300/L 3,750 3,000 3,482 3,687 1,187 0,245 0,375 0,187 0,008
DPW 400325/L 4,000 3,250 3,732 3,937 1,187 0,245 0,375 0,187 0,008
DPW 425350/L 4,250 3,500 3,982 4,187 1,187 0,245 0,375 0,187 0,008
DPW 450350/L 4,500 3,500 4,232 4,437 1,500 0,370 0,500 0,218 0,015
DPW 475375/L 4,750 3,750 4,482 4,687 1,500 0,370 0,500 0,218 0,015
DPW 500400/L 5,000 4,000 4,732 4,937 1,500 0,370 0,500 0,218 0,015
DPW 525425/L 5,250 4,250 4,982 5,187 1,500 0,370 0,500 0,218 0,015
DPW 550450/L 5,500 4,500 5,232 5,437 1,500 0,370 0,500 0,218 0,015
DPW 600500/L 6,000 5,000 5,732 5,937 1,500 0,370 0,500 0,218 0,015
DPW 650550/L 6,500 5,500 6,232 6,437 1,500 0,370 0,500 0,218 0,015
DPW 700600/L 7,000 6,000 6,732 6,937 1,500 0,370 0,500 0,218 0,015

 

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Claron Polyseals

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