Claron Polyseal Double Acting Piston Seal CS 8

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Design:

Designed for use on one piece pistons, Claron Style CS8 consists of a precision moulded high performance 98°Shore Polyurethane outer sleeve, pre loaded and pressure energised by a square section NBR 80°Shore rubber element. The compact design allows smaller width pistons to be used, and offers excellent wear resistance on a wide range of surface finishes.

Maximum Pressure
Max Speed Temp. Range Temp. Range
m/s -30°C to 80°C -30°C to 100°C
1.0 280 Bar 250 Bar
0.5 450 Bar 400 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

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                  H9 +0.20
-0.00
Nominal Nominal
ØD1                                   Ød1                                     L1                                      S                         C
CS 80200 20 12,5 3,2 3,75 2,0
CS 80250 25 17,5 3,2 3,75 2,0
CS 80300 30 22,5 3,2 3,75 2,0
CS 80320 32 24,5 3,2 3,75 2,0
CS 80400 40 29,0 4,2 5,50 3,0
CS 80400/2 40 24,5 6,3 7,75 4,0
CS 80450 45 34,0 4,2 5,50 3,0
CS 80500 50 39,0 4,2 5,50 3,0
CS 80500/2 50 34,5 6,3 7,75 4,0
CS 80550/2 55 39,5 6,3 7,75 4,0
CS 80600 60 49,0 4,2 5,50 3,0
CS 80600/2 60 44,5 6,3 7,75 4,0
CS 80630 63 52,0 4,2 5,50 3,0
CS 80630/2 63 47,5 6,3 7,75 4,0
CS 80650/2 65 49,5 6,3 7,75 4,0
CS 80650/4 65 52,0 6,3 6,50 3,0
CS 80700 70 59,0 4,2 5,50 3,0
CS 80700/2 70 54,5 6,3 7,75 4,0
CS 80700/4 70 57,0 6,3 6,50 3,0
CS 80750/2 75 59,5 6,3 7,75 4,0
CS 80750/4 75 62,0 6,3 6,50 3,0
CS 80800 80 64,5 6,3 7,75 4,0
CS 80900 90 74,5 6,3 7,75 4,0
CS 81000 100 84,5 6,3 7,75 4,0
CS 81000/2 100 79,0 8,1 10,50 5,0
CS 81000/4 100 86,5 6,3 6,75 4,0
CS 81100/2 110 89,0 8,1 10,50 5,0
CS 81200/2 120 99,0 8,1 10,50 5,0
CS 81250/2 125 104,0 8,1 10,50 5,0
CS 81300/2 130 109,0 8,1 10,50 5,0
CS 81400 140 119,0 8,1 10,50 5,0
CS 81500 150 129,0 8,1 10,50 5,0
CS 81600 160 139,0 8,1 10,50 5,0
CS 81800 180 159,0 8,1 10,50 5,0
CS 82000 200 179,0 8,1 10,50 5,0

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