Design:
Claron Style PFP 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 heavy duty rod wiper. The wiper is precision moulded in 92o Shore A Polyurethane 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 PFP 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 1 for further information.
| 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 |
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 PFP 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.
| Ød1 | ØD1 | ØD2 | L1 | L2 | ||
| PFP 020033 | 20 | 33 | 28 | 6 | 9 | |
| PFP 025037 | 25 | 37 | 32 | 6 | 9 | |
| PFP 030042 | 30 | 42 | 37 | 6 | 9 | |
| PFP 035047 | 35 | 47 | 42 | 7 | 10 | |
| PFP 035047/1 | 35 | 47 | 47 | 7 | 10 | |
| PFP 040050/1 | 40 | 50 | 47 | 7 | 10 | |
| PFP 040052 | 40 | 52 | 47 | 7 | 10 | |
| PFP 040052/1 | 40 | 52 | 47 | 7 | 10 | |
| PFP 045057 | 45 | 57 | 52 | 7 | 10 | |
| PFP 045057/1 | 45 | 57 | 52 | 7 | 10 | |
| PFP 050062 | 50 | 62 | 57 | 7 | 10 | |
| PFP 050062/1 | 50 | 62 | 57 | 7 | 10 | |
| PFP 055069 | 55 | 69 | 62 | 8 | 11 | |
| PFP 060074 | 60 | 74 | 67 | 8 | 11 | |
| PFP 065079 | 65 | 79 | 72 | 8 | 11 | |
| PFP 070084 | 70 | 84 | 77 | 8 | 11 | |
| PFP 075089 | 75 | 89 | 82 | 8 | 11 | |
| PFP 080094 | 80 | 94 | 87 | 8 | 12 | |
| PFP 085099 | 85 | 99 | 92 | 8 | 11 | |
| PFP 090104 | 90 | 104 | 97 | 8 | 11 | |
| PFP 095109 | 95 | 109 | 102 | 8 | 12 | |
| PFP 100114 | 100 | 114 | 107 | 8 | 11 | |
| PFP 110126 | 110 | 126 | 118 | 9 | 12 | |
| PFP 120136 | 120 | 136 | 128 | 9 | 12 | |
| PFP 130146 | 130 | 146 | 138 | 9 | 12 | |
| PFP 140160 | 140 | 160 | 150 | 10 | 14 | |
| PFP 150170 | 150 | 170 | 160 | 10 | 14 | |
| PFP 160180 | 160 | 180 | 170 | 10 | 14 | |
| PFP 200225 | 200 | 225 | 212 | 12 | 17 |
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