Claron Polyseal Single Acting Piston Seal PW/L

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Design:

CLARON STYLE PW…/L is a precision moulded Nitrile rubber with a fabric reinforced base. Produced with initial radial interference to effect low-pressure sealing, the seal is progressively energised at higher pressures thereby increasing the sealing force. Rubberised fabric has the advantage of retaining the sealing media within it’s surface, thus reducing friction and wear. The full width polyacetal bearing ring resists extrusion of the seal to allow greater clearances and higher pressures, and provides bearing support for the piston preventing misalignment and metal to metal contact between piston and bore.

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 section for further information.

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

Maximum Diametral Clearance F

Note: Clearance gap F is the maximum permissable. i.e. gap completely on one side, in the temperature range of -30°C to 100°C

The use of a suitably selected Claron bearing ring will effectively reduce the clearance gap F max. to a value closer to F/2 thus increasing the pressure capability of the seal.

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:

Style PW/L is designed to be fitted onto a split piston and may be used with Claron seal retainer Style PSR.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.

 

PW 100062/L 1.000 0.625 0.868 0.968 0.343 0.182 0.187 0.093 0.008
PW 125075/1L 1.250 0.750 1.115 1.218 0.375 0.245 0.250 0.125 0.008
PW 125075/2L 1.250 0.750 1.115 1.218 0.437 0.245 0.250 0.125 0.008
PW 150100/L 1.500 1.000 1.365 1.468 0.437 0.245 0.250 0.125 0.008
PW 150100/1L 1.500 1.000 1.365 1.468 0.312 0.245 0.250 0.125 0.008
PW 175112/L 1.750 1.125 1.552 1.687 0.531 0.245 0.312 0.156 0.008
PW 200137/1L 2.000 1.375 1.802 1.937 0.468 0.245 0.312 0.156 0.008
PW 200137/2L 2.000 1.375 1.802 1.937 0.531 0.245 0.312 0.156 0.008
PW 200137/3L 2.000 1.375 1.802 1.937 0.593 0.245 0.312 0.156 0.008
PW 200137/4L 2.000 1.375 1.802 1.937 0.406 0.245 0.312 0.156 0.008
PW 225162/L 2.250 1.625 2.052 2.187 0.531 0.245 0.312 0.156 0.008
PW 237175/L 2.375 1.750 2.177 2.312 0.531 0.245 0.312 0.156 0.008
PW 250187/L 2.500 1.875 2.302 2.437 0.531 0.245 0.312 0.156 0.008
PW 250187/1L 2.500 1.875 2.302 2.437 0.468 0.245 0.312 0.156 0.008
PW 250187/3L 2.500 1.875 2.302 2.437 0.406 0.245 0.312 0.156 0.008
PW 262200/L 2.625 2.000 2.428 2.562 0.531 0.245 0.312 0.156 0.008
PW 262200/2L 2.625 2.000 2.428 2.562 0.406 0.245 0.312 0.156 0.008
PW 262200/3L 2.625 2.000 2.428 2.562 0.593 0.245 0.312 0.156 0.008
PW 275200/L 2.750 2.000 2.482 2.687 0.562 0.245 0.375 0.187 0.008
PW 275200/2L 2.750 2.000 2.482 2.687 0.687 0.245 0.375 0.187 0.008
PW 300225/L 3.000 2.250 2.732 2.937 0.500 0.245 0.375 0.187 0.008
PW 300225/1L 3.000 2.250 2.732 2.937 0.625 0.245 0.375 0.187 0.008
PW 300225/2L 3.000 2.250 2.732 2.937 0.687 0.245 0.375 0.187 0.008
PW 325250/L 3.250 2.500 2.982 3.187 0.500 0.245 0.375 0.187 0.008
PW 325250/1L 3.250 2.500 2.982 3.187 0.687 0.245 0.375 0.187 0.008
PW 325250/2L 3.250 2.500 2.982 3.187 0.750 0.245 0.375 0.187 0.008
PW 325250/3L 3.250 2.500 2.982 3.187 0.593 0.245 0.375 0.187 0.008
PW 350275/L 3.500 2.750 3.232 3.437 0.687 0.245 0.375 0.187 0.008
PW 350275/1L 3.500 2.750 3.232 3.437 0.500 0.245 0.375 0.187 0.008
PW 350275/3L 3.500 2.750 3.232 3.437 0.625 0.245 0.375 0.187 0.008
PW 362300/L 3.625 3.000 3.360 3.562 0.500 0.245 0.312 0.156 0.008
PW 375300/L 3.750 3.000 3.482 3.687 0.687 0.245 0.375 0.187 0.008
PW 375300/2L 3.750 3.000 3.482 3.687 0.500 0.245 0.375 0.187 0.008
PW 400325/1L 4.000 3.250 3.732 3.937 0.687 0.245 0.375 0.187 0.008
PW 425350/1L 4.250 3.500 3.985 4.187 0.687 0.245 0.375 0.187 0.008
PW 450350/1L 4.500 3.500 4.232 4.437 0.687 0.370 0.500 0.218 0.015
PW 450350/2L 4.500 3.500 4.232 4.437 .875 0.370 0.500 0.218 0.015
PW 450350/3L 4.500 3.500 4.232 4.437 0.500 0.370 0.500 0.218 0.015
PW 475375/2L 4.750 3.750 4.485 4.687 0.875 0.370 0.500 0.218 0.015
PW 500400/L 5.000 4.000 4.732 4.937 0.875 0.370 0.500 0.218 0.015
PW 550450/L 5.500 4.500 5.232 5.437 0.875 0.370 0.500 0.218 0.015
PW 600500/L 6.000 5.000 5.732 5.937 0.875 0.370 0.500 0.218 0.015
PW 650550/L 6.500 5.500 6.232 6.437 0.875 0.370 0.500 0.218 0.015
PW 700600/L 7.000 6.000 6.732 6.937 0.875 0.370 0.500 0.218 0.015

 

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