PH640 is a four piece double acting heavy duty compact seal which consists of one PTFE bronze profile ring, one elastomeric nitrile rubber pre-load sealing element and two thermoplastic back-up rings.
- High sliding speed
- Low friction, free of stick-slip
- Simple groove design
- Long service life
- Very good sealing performance even with pressure peaks
- High resistance to abrasion
- Increased clearance possible
Mining equipment, construction machinery, and earth moving equipment.
- Diameter:50 mm to 360 mm
- Temperature:-30 ° C to 105 ° C
- Pressure limit:400 bar
- Speed limit:1.5 m/s