SAD WIPER SEAL
prevent the introduction of dust, dirt and foreign material inside the sealing system; this it is obtained thanks to a special scraping lip which produces an effective cleaning action, prevents it development of slag, protects the guide elements e extends the service life of the seals.
Features
• It retains the residual oil film that passes through the stem seal
• External interference fit for good protection of the sealing system
• Long service life
• Not affected by structural deformations
• Excellent wear resistance
• Reduced dimensions of the seats
• No tight tolerances are required
• Easy to install
| MATERIAL | ||
| Type | Designation | Hardness |
| Polyurethane | SEALPUR 93 | 93°ShA |
| FIELD OF APPLICATION | ||
| Speed | Temperature | |
| ≤ 0.8 m/s | -40°C÷+100°C | |
| SURFACE ROUGHNESS | ||
| Dynamic surface | Ra ≤ 0.3 um | Rt ≤ 2.5 um |
| Static surface | Ra ≤ 1.6 um | Rt ≤ 6.3 um |
