ARA ROD SEAL
The Aston Seals ARA is an asymmetrical lip seal with anti-extrusion ring designed for medium heavy applications where dimensions and friction must be minimal. It can be used both individually and in tandem as a “primary” seal in front of one lip seal.
Features
• Excellent resistance to extrusion
• Good sealing ability
• Designed with exhaust notches counter-pressure
• Interchangeable with normal gaskets in PTFE
• Easy to install
• Excellent wear resistance
• Long service life
• Good temperature resistance
| MATERIAL | ||
| Type | Designation | Hardness |
| Polyurethane | SEALPUR 93 | 93°ShA |
| FIELD OF APPLICATION | ||
| Pressure | Speed | Temperature |
| ≤ 700 bar | ≤ 0.5 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 |
