Claron Polyseal Single Acting Piston Seal GP

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Design:

CLARON STYLE GP is designed with a symmetrical profile for Piston or Rod applications. The seal is a precision moulded Nitrile rubber with a fabric reinforced base to resist extrusion. Designed 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. Style GP is designed to provide effective low pressure sealing through distortion of the lips rather than “squeeze”. This gives an improved response to pressure variations and reduces low pressure stiction to ensure a smoother return stroke.

 

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 section for further information.

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. For Rod application see section C.

Fitting:

H10                                js11                       +0,025                         Nominal                      Min.                        Max.

ØD1 Ød1 L1 S C R1
GP157118 40 30 7.0 5.0 2.5 0.4
GP196157 50 40 7.0 5.0 2.5 0.4
GP236196 60 50 7.0 5.0 2.5 0.4
GP279220 71 56 10.0 7.5 4.0 0.8
GP275236 70 60 7.0 5.0 2.5 0.4
GP314236 80 60 13.0 10.0 5.0 0.8
GP307248 78 63 10.0 7.5 4.0 0.8
GP334275 85 70 12.5 7.5 4.0 0.8
GP354275 90 70 13.0 10.0 5.0 0.8
GP393314 100 80 13.0 10.0 5.0 0.8
GP433354 110 90 13.0 10.0 5.0 0.8
GP 150100 1.500 1.000 0.375 0.250 0.125 0.015
GP 200150 2.000 1.500 0.375 0.250 0.125 0.015
GP 200150/1 2.000 1.500 0.468 0.250 0.125 0.015
GP 212150 2.125 1.500 0.468 0.313 0.156 0.015
GP 237200/1 2.375 2.000 0.360 0.188 0.093 0.010
GP 262200/1 2.625 2.000 0.312 0.313 0.156 0.015
GP 300237 3.000 2.375 0.312 0.313 0.156 0.015
GP 325250/1 3.250 2.500 0.562 0.375 0.187 0.032

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Claron Polyseals

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