Claron Polyseal Single Acting Rod Seal CPU/F

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Design:

The Claron style CPU…/F is a symmetrical profiled lip seal manufactured in a high performance grade of Polyurethane and is suitable for both rod and piston sealing. The sealing lips are machine trimmed to ensure dimensional consistency and good low pressure sealing. Polyurethane exhibits outstanding abrasion and extrusion resistance.

Maximum Pressure
Max Speed Temp. Range Temp. Range
m/s -40°C to 80°C -40°C to 110°C
0.50 280 Bar 250 Bar
0.15 400 Bar 350 Bar

 

AU Polyurethane
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% 40
HFA S Synthetic oil in water. Water content 80-95% 40
HFB Emulsions of water in mineral oil. Water content 40% 40
HFC Aqueous polymer solutions. Water content 35% ns
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 60

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.

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.

Part Number Js 11 f8      H9              +0.25
-0.00
Nominal Nominal Min Max.
ØD1 Ød1     ØG L1 L2 S C R1
CPU 086063/F 22 16 4,50 4,0 3,0 3,0 0,2
CPU 118078/1F 30 20 6,75 6,0 5,0 4,0 0,3
CPU 141078/F 36 20 8,75 8,0 8,0 5,0 0,4
CPU 141110/F 36 28 4,50 4,0 4,0 3,0 0,2
CPU 196177/F 50 45 4,50 4,0 2,5 1,5 0,2
CPU 267236/F 68 60 8,75 8,0 4,0 3,0 0,2
CPU 393354/F 100 90 7,50 7,0 5,0 4,0 0,3
CPU 511433/F 130 110 15,75 15,0 10,0 5,0 0,4
CPU 846669/F 215 170 22,00 20,0 22,5 8,0 1,0
ØD1 Ød1     ØG L1 L2 S C R1
CPU 062031/F 0,625 0,312 0,275 0,250 0,156 0,093 0,016
CPU 068043/F 0,687 0,437 0,281 0,250 0,125 0,093 0,016
CPU 075037/F 0,750 0,375 0,300 0,281 0,187 0,093 0,016
CPU 075037/1F 0,750 0,375 0,275 0,250 0,187 0,093 0,016
CPU 087062/F 0,875 0,625 0,275 0,250 0,125 0,093 0,016
CPU 100075/F 1,000 0,750 0,175 0,156 0,125 0,093 0,016
CPU 162112/F 1,625 1,125 0,550 0,500 0,250 0,125 0,032
CPU 168118/F 1,687 1,187 0,400 0,375 0,250 0,125 0,032
CPU 175112/F 1,750 1,125 0,550 0,500 0,312 0,156 0,032
CPU 206168/F 2,062 1,687 0,340 0,312 0,187 0,093 0,016

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Claron Polyseals

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