Design:
Claron Style PWO Rod wiper is designed to remove potential system contaminents from a reciprocating rod during the negative stroke. It is classified as a light to medium duty wiper and is precision moulded in Nitrile 90o rubber. The wiper is machine trimmed to provide a precise wiping lip.
Operating conditions:
Optimum service conditions are affected by temperature, speed, and surface finish.
Refer to Appendix 1 for 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 PWO may be deformed and fitted into a closed groove housing as shown below. 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 Selection |
+0.020 +0.010 |
±0.005 | +0.020 +0.010 |
Nominal | ||||||||
| Ød1 | ØD1 | ØD2 | L1 | L2 | |||||||||
| PWO 050090 | 0,500 | 0,900 | 0,700 | 0,125 | 0,250 | ||||||||
| PWO 062102 | 0,625 | 1,025 | 0,825 | 0,125 | 0,250 | ||||||||
| PWO 075115 | 0,750 | 1,150 | 0,950 | 0,125 | 0,250 | ||||||||
| PWO 081121 | 0,812 | 1,213 | 1,013 | 0,125 | 0,250 | ||||||||
| PWO 087127 | 0,875 | 1,275 | 1,075 | 0,125 | 0,250 | ||||||||
| PWO 100140 | 1,000 | 1,400 | 1,200 | 0,125 | 0,250 | ||||||||
| PWO 112162 | 1,125 | 1,625 | 1,425 | 0,125 | 0,375 | ||||||||
| PWO 125175 | 1,250 | 1,750 | 1,550 | 0,125 | 0,375 | ||||||||
| PWO 131187 | 1,312 | 1,875 | 1,675 | 0,125 | 0,250 | ||||||||
| PWO 137187 | 1,375 | 1,875 | 1,675 | 0,125 | 0,375 | ||||||||
| PWO 150200 | 1,500 | 2,000 | 1,800 | 0,125 | 0,375 | ||||||||
| PWO 162212 | 1,625 | 2,125 | 1,925 | 0,125 | 0,375 | ||||||||
| PWO 175225 | 1,750 | 2,250 | 2,050 | 0,125 | 0,375 | ||||||||
| PWO 187237 | 1,875 | 2,375 | 2,175 | 0,125 | 0,375 | ||||||||
| PWO 200250 | 2,000 | 2,500 | 2,300 | 0,125 | 0,375 | ||||||||
| PWO 212262 | 2,125 | 2,625 | 2,425 | 0,125 | 0,375 | ||||||||
| PWO 225275 | 2,250 | 2,750 | 2,550 | 0,125 | 0,375 | ||||||||
| PWO 237287 | 2,375 | 2,875 | 2,675 | 0,125 | 0,375 | ||||||||
| PWO 250300 | 2,500 | 3,000 | 2,800 | 0,125 | 0,375 | ||||||||
| PWO 275325 | 2,750 | 3,250 | 3,050 | 0,125 | 0,375 | ||||||||
| PWO 300350 | 3,000 | 3,500 | 3,300 | 0,125 | 0,375 | ||||||||
| PWO 325400 | 3,250 | 4,000 | 3,650 | 0,187 | 0,500 | ||||||||
| PWO 350425 | 3,500 | 4,250 | 3,900 | 0,187 | 0,500 | ||||||||
| PWO 375450 | 3,750 | 4,500 | 4,150 | 0,187 | 0,500 | ||||||||
| PWO 400475 | 4,000 | 4,750 | 4,400 | 0,187 | 0,500 | ||||||||
| PWO 425500 | 4,250 | 5,000 | 4,650 | 0,187 | 0,500 | ||||||||
| PWO 450525 | 4,500 | 5,250 | 4,900 | 0,187 | 0,500 | ||||||||
| PWO 500575 | 5,000 | 5,750 | 5,400 | 0,187 | 0,500 | ||||||||
| PWO 600675 | 6,000 | 6,750 | 6,400 | 0,187 | 0,500 | ||||||||
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