Claron Polyseal Double Acting Rod Wiper Seal PFB

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Design:

Claron Style PFB double acting Rod wiper is designed to remove potential system contaminents from a reciprocating rod during the negative stroke and to assist sealing by collecting the fluid film on the positive stroke. It is classified as a medium to heavy duty rod wiper. The wiper is precision moulded in 80° Shore Nitrile Rubber with an accurately machined lip. The wiper has a metal case designed to press fit in the housing thus retaining the wiper. The press fit design of this wiper allows it to be used in a simple open ended housing. The sizes are to common Japanese housing standards.Claron Wiper Seals Style PFB should not be utilised in combination with double-acting Rod seals unless the housing design allows for pressure relief between the wiper and the seal.

Operating conditions:

Optimum service conditions are affected by temperature, speed and surface finish.

Refer to Appendix 1for further information.

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

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:

Style PFB is designed to press fit into the open ended housings. 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 Refer Seal                         H8
Selection
+0.30
-0.00
+0.60
+0.40
Nominal
Ød1 ØD1 ØD2 L1 L2
PFB 022033 22 33 28 6 9
PFB 025037 25 37 31 6 9
PFB 030042 30 42 36 6 9
PFB 035047 35 47 41 6 9
PFB 040052 40 52 46 7 10
PFB 045057 45 57 51 7 10
PFB 050062 50 62 56 7 10
PFB 055069 55 69 62 8 11
PFB 060074 60 74 67 8 11
PFB 065079 65 79 72 8 11
PFB 070084 70 84 77 8 11
PFB 075089 75 89 82 8 11
PFB 080094 80 94 87 8 11
PFB 085099 85 99 92 8 11
PFB 090104 90 104 97 8 11
PFB 095109 95 109 102 8 11
PFB 100114 100 114 107 8 11
PFB 110126 110 126 118 9 12
PFB 120136 120 136 128 9 12
PFB 130146 130 146 138 9 12
PFB 140160 140 160 150 10 14
PFB 155175 155 175 165 10 14
PFB 160180 160 180 170 10 14
PFB 170190 170 190 180 10 14

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Claron Polyseals

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