Claron Polyseal Double Acting Piston Seal DPE

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Design:

Designed for use on split pistons, the seal is a precision moulded rubber element with rubberised fabric reinforcements. Style DPE is fitted with Polyacetal anti-extrusion rings on the O.D. to allow larger machining clearances between the piston head and cylinder bore, and to permit higher working pressures. 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 DPE has proven to be effective over a wide range of applications

 

Maximum      Pressure
Max Speed                       Temp. Range
m/s                            -30°C to 100°C
0.50                                 250 Bar

0.15                                 400 Bar

Continuous operating temperature for various fluids

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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.

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.

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 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

Nominal Dimensions & Machining Tolerances

 

Part Number

H11

js11

+0.63

+0.38

Nominal               Minimum

Maximum

 

ØD1

Ød1

L1                                  S                          C                          R1

L1

H11                            js11                             +0.63                         Nominal                 Minimum                  Maximum

ØD1                          Ød1                              +0.38                             S                              C                                R1

DPE 098047 25 12 12 6.5 2.5 0.4
DPE 118066 30 17 15 6.5 2.5 0.4
DPE 157094 40 24 18 8.0 4.0 0.4
DPE 177114 45 29 18 8.0 4.0 0.4
DPE 188125 48 32 18 8.0 4.0 0.4
DPE 196133 50 34 18 8.0 4.0 0.4
DPE 216153/1 55 39 18 8.0 4.0 0.4
DPE 236173/1 60 44 18 8.0 4.0 0.4
DPE 248185 63 47 19 8.0 4.0 0.4
DPE 255196 65 50 18 7.5 4.0 0.6
DPE 275196 70 50 22 10.0 5.0 0.8
DPE 295216 75 55 22 10.0 5.0 0.8
DPE 314236 80 60 22 10.0 5.0 0.8
DPE 334255 85 65 22 10.0 5.0 0.8
DPE 354275 90 70 22 10.0 5.0 0.8
DPE 393295 100 75 22 12.5 6.5 1.2
DPE 393314 100 80 25 10.0 5.0 0.8
DPE 413314 105 80 22 12.5 6.5 1.2
DPE 433334/1 110 85 22 12.5 6.5 1.2
DPE 452354 115 90 22 12.5 6.5 1.2
DPE 472374 120 95 22 12.5 6.5 1.2
DPE 492393 125 100 25 12.5 6.5 1.2
DPE 531433 135 110 25 12.5 6.5 1.2
DPE 551472 140 120 25 10.0 5.0 0.8
DPE 570472 145 120 25 10.0 5.0 0.8
DPE570492 145 125 25 10.0 5.0 0.8
DPE 590492 150 125 25 12.5 6.5 1.2
DPE 629511 160 130 25 15.0 7.5 1.2

 

Part Number ØD1 Ød1 +0.015″

L1

S C R1
DPE 100062 1.000 0.625 0.468 0.187 0.093 0.008
DPE 112062 1.125 0.625 0.500 0.250 0.125 0.015
DPE 125075 1.250 0.750 0.625 0.250 0.125 0.015
DPE 150100 1.500 1.000 0.625 0.250 0.125 0.015
DPE 162112 1.625 1.125 0.625 0.250 0.125 0.015
DPE 175112 1.750 1.125 0.750 0.312 0.156 0.025
DPE 200137 2.000 1.375 0.750 0.312 0.156 0.025
DPE 212150 2.125 1.500 0.750 0.312 0.156 0.025
DPE 225162 2.250 1.625 0.750 0.312 0.156 0.025
DPE 237175 2.375 1.750 0.750 0.312 0.156 0.025
DPE 250187 2.500 1.875 0.750 0.312 0.156 0.025
DPE 250187/1 2.500 1.875 0.937 0.312 0.156 0.025
DPE 262200 2.625 2.000 0.750 0.312 0.156 0.025
DPE 275200 2.750 2.000 0.937 0.375 0.187 0.031
DPE 300225 3.000 2.250 0.937 0.375 0.187 0.031
DPE 300225/1 3.000 2.250 1.125 0.375 0.187 0.031
DPE 312237 3.125 2.375 0.937 0.375 0.187 0.031
DPE 325250 3.250 2.500 0.937 0.375 0.187 0.031
DPE 350275 3.500 2.750 0.937 0.375 0.187 0.031
DPE 375300 3.750 3.000 0.937 0.375 0.187 0.031
DPE 387312 3.875 3.125 0.937 0.375 0.187 0.031
DPE 400325 4.000 3.250 0.937 0.375 0.187 0.031
DPE 425350 4.250 3.500 0.937 0.375 0.187 0.031
DPE 450350 4.500 3.500 1.250 0.500 0.218 0.046
DPE 450350/1 4.500 3.500 1.500 0.500 0.218 0.046
DPE 475375 4.750 3.750 1.250 0.500 0.218 0.046
DPE 500400 5.000 4.000 1.250 0.500 0.218 0.046
DPE 525425 5.250 4.250 1.250 0.500 0.218 0.046
DPE 550450 5.500 4.500 1.250 0.500 0.218 0.046
DPE 550450/2 5.500 4.500 1.500 0.500 0.218 0.046
DPE 575475 5.750 4.750 1.250 0.500 0.218 0.046
DPE 600500 6.000 5.000 1.250 0.500 0.218 0.046
DPE 650550 6.500 5.500 1.250 0.500 0.218 0.046
DPE 700600 7.000 6.000 1.250 0.500 0.218 0.046
DPE 800700 8.000 7.000 1.250 0.500 0.218 0.04

 

 

 

 

 

 

 

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Claron Polyseals

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