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912 (metal case radial lip seal, single lip, low friction)
This single lip seal is suitable for standard industrial applications, where elastomer radial shaft seals would fail due to extreme temperatures, high friction, incompatible pressure fluids, or poor lubrication. Similar to AF-910, but with a thinner PTFE lip, reducing the friction force exerted on the shaft, it supports higher surface speeds than AF-910 when adequate cooling and lubrication of the sealing lip are provided.
Advantages:
- Low friction and no stick-slip, (minimum static and dynamic friction)
- Long life time
- Groove to DIN 3760
Limitations:
- Operation pressure: Up to 0,3 MPa (3 bar)
- Velocity: Reciprocating up to 90 m/s
- Temperature: -20°C to 250°C