GFS Double-acting compact piston seal has a Elastomer piston seal, two polyester elastomer Back-up Rings and two POM wear rings. The sealing working operation is performed by an NBR/FKM ring.
| Materials | Operating Condition | ||
| Temperature ℃ | Pressure Range Mpa | Speed m/s | |
| NBR/FKM+POM+TPE | -30~110 | 40 | 0.5 |
