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547 (dynamic glide ring, single acting for tandem operation)
glide ring section is rectangular and is provided with a stepped sealing edge on the pressure side. On the opposite side, the profile travels under a flat wedge/angle. This special form of sealing profile helps to achieve a recovery effect.
Two-part composition, consisting of a dynamic glide ring and an O-ring.
Advantages:
- Contact geometry allows controlled conveyance of oil film to secondary seal in tandem setup
- Ventilation port ensures that pressure is not built up between seals, which increases the life of secondary seal
- Very good static and dynamic sealing effect
- Same groove design as AF-541/AF-546
- Very good resistance to extrusion
- No stick-slip effect
Limitations:
- Operation pressure: Up to 40MPa (400 bar)
- Velocity: Reciprocating up to 15 m/s
- Temperature: -40°C to 200°C