Design:
Claron Style PWS Rod wiper is designed to remove potential system contaminants from a reciprocating rod during the negative stroke. It is classified as a medium to heavy duty wiper and is precision moulded in Nitrile 90o rubber. The wiper is machine trimmed to provide a precise wiping lip.
The addition of sealing beads on this wiper provide positive sealing in the housing preventing moisture/contaminants from passing the outside of the wiper.
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 PWS 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.
| Refer Seal | +0,20 | +0,20 | +0,20 | |||||||
| Selection | 0,00 | 0,00 | 0,00 | |||||||
| Ød1 ØD1 ØD2 L1 L2 | ||||||||||
| PWS 074106 | 19,00 | 27,00 | 23,00 | 3,40 | 7,00 | |||||
| PWS 098148 | 25,00 | 37,70 | 31,40 | 5,30 | 8,90 | |||||
| PWS 118168 | 30,00 | 42,70 | 36,40 | 5,30 | 8,90 | |||||
| PWS 125157 | 32,00 | 40,00 | 36,00 | 3,40 | 7,00 | |||||
| PWS 137187 | 35,00 | 47,70 | 41,40 | 5,30 | 8,90 | |||||
| PWS 157207 | 40,00 | 52,70 | 46,40 | 5,30 | 8,90 | |||||
| PWS 196228 | 50,00 | 58,00 | 54,00 | 3,40 | 7,00 | |||||
| PWS 220270 | 56,00 | 68,70 | 62,40 | 5,30 | 8,90 | |||||
| PWS 236286 | 60,00 | 72,70 | 66,40 | 5,30 | 8,90 | |||||
| PWS 248298 | 63,00 | 75,70 | 69,40 | 5,30 | 8,90 | |||||
| PWS 255305 | 65,00 | 77,70 | 71,40 | 5,30 | 8,90 | |||||
| PWS 295345 | 75,00 | 87,70 | 81,40 | 5,30 | 8,90 | |||||
| PWS 315365 | 80,00 | 92,70 | 86,40 | 5,30 | 8,90 | |||||
| PWS 334384 | 85,00 | 97,70 | 91,40 | 5,30 | 8,90 | |||||
| PWS 393443 | 100,00 | 112,70 | 106,40 | 5,30 | 8,90 | |||||
| PWS 100150 | 1.000 | 1.500 | 1.250 | 0.208 | 0.350 |
| PWS 112162 | 1.125 | 1.625 | 1.375 | 0.208 | 0.350 |
| PWS 125175 | 1.250 | 1.750 | 1.500 | 0.208 | 0.350 |
| PWS 137187 | 1.375 | 1.875 | 1.625 | 0.280 | 0.350 |
| PWS 150200 | 1.500 | 2.000 | 1.750 | 0.208 | 0.350 |
| PWS 162212 | 1.625 | 2.125 | 1.875 | 0.208 | 0.350 |
| PWS 175225 | 1.750 | 2.250 | 2.000 | 0.208 | 0.350 |
| PWS 187237 | 1.875 | 2.375 | 2.125 | 0.208 | 0.350 |
| PWS 200250 | 2.000 | 2.500 | 2.250 | 0.208 | 0.350 |
| PWS 212262 | 2.125 | 2.625 | 2.375 | 0.208 | 0.350 |
| PWS 225275 | 2.250 | 2.750 | 2.500 | 0.208 | 0.350 |
| PWS 250300 | 2.500 | 3.000 | 2.750 | 0.208 | 0.350 |
| PWS 275325 | 2.750 | 3.250 | 3.000 | 0.208 | 0.350 |
| PWS 300350 | 3.000 | 3.500 | 3.250 | 0.208 | 0.350 |
| PWS 325375 | 3.250 | 3.750 | 3.500 | 0.208 | 0.350 |
| PWS 337387 | 3.375 | 3.875 | 3.625 | 0.208 | 0.350 |
| PWS 350400 | 3.500 | 4.000 | 3.750 | 0.208 | 0.350 |
| PWS 362412 | 3.625 | 4.125 | 3.875 | 0.208 | 0.350 |
| PWS 400450 | 4.000 | 4.500 | 4.250 | 0.208 | 0.350 |
| PWS 437487 | 4.375 | 4.875 | 4.625 | 0.208 | 0.350 |
| PWS 450500 | 4.500 | 5.000 | 4.750 | 0.208 | 0.350 |
| PWS 462512 | 4.625 | 5.125 | 4.875 | 0.208 | 0.350 |
| PWS 475525 | 4.750 | 5.250 | 5.000 | 0.208 | 0.350 |
| PWS 512562 | 5.125 | 5.625 | 5.375 | 0.208 | 0.350 |
| PWS 537587 | 5.375 | 5.875 | 5.625 | 0.208 | 0.350 |
| PWS 562612 | 5.625 | 6.125 | 5.875 | 0.208 | 0.350 |
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