PTFE Piston Compact Seal SPGW is a four piece double acting heavy duty compact seal which consist of one PTFE bronze profile ring,one elastomeric nitrite 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 speaks.
- High resistance to abrasion.
- Increase clearance possible
- Mineral oils,HFA and HFB,HFC