Claron Polyseal Single Acting Rod Seal CPGI/OR

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Design:

The seal is an asymmetric Polyurethane U-seal incorporating an NBR energiser pre-loading the seal lips thus improving sealing at low pressures. The secondary sealing lip assists sealing, reduces friction and helps to protect the main lip from damage caused by dirt ingression. The Anti-extrusion ring which is energised at high pressures increases the maximum working pressure as well as protecting the seal against pressure spikes caused by shock loads. Polyurethane exhibits outstanding abrasion and wear resistance ensuring that the seal operates in the most arduous conditions.

Max Speed                     Temp. Range                     Temp. Range
m/s                           -40°C to 80°C                   -40°C to 110°C
0.50                               350 Bar                            300 Bar

0.15                               500 Bar                            450 Bar

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.

Polyurethane / Nitrile Composite
DIN Hydraulic Fluid Description °C
H Mineral oil without additives 100
H- L Mineral Fl uid with anti corrosion and anti ageing additives 100
H-LP Mineral oil as HL plus additives reducing wear, r aising load 100
H-LPD Mi ner al oil as H-LP but with detergents and dispersants 100
H- V Mineral oil as H-LP pl us impr oved 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 miner al oil. Water content 40% 40
HFC Aqueous polymer solutions. Water content 35% NS
HFD R Phosphoric acid ester based NS
HFD S Chlorinated hydrocar bon 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.

Note: Clearance gap F is the maximum permissable. i.e. gap completely on one side, in the temperature range of -30°C to 80°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 f8                H10      H9          +0.25
-0.00
Nominal Nominal Min Max.
Ød1 ØD1    ØG L1 L2 S C R1
CPGI 065080/OR 65 80 12,5 11,4 7,5 5,0 0,4
CPGI 070085/OR 70 85 12,5 11,4 7,5 5,0 0,4
CPGI 075090/OR 75 90 12,5 11,4 7,5 5,0 0,4
CPGI 080095/OR 80 95 12,5 11,4 7,5 5,0 0,4
CPGI 085100/OR 85 100 12,5 11,4 7,5 5,0 0,4
CPGI 090105/OR 90 105 12,5 11,4 7,5 5,0 0,4
CPGI 095110/OR 95 110 12,5 11,4 7,5 5,0 0,4
CPGI 100115/OR 100 115 12,5 11,4 7,5 5,0 0,4

 

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Claron Polyseals

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