 |
Seatless, glandless sealing area-relatively large i.e.entire inner surface of ring. |
|
100% leak tightness assure |
|
Piston-unexposed to media foreing matters swept away by descending piston valve rings are resilient. |
|
No erosion of piston “durability”. |
|
Special “GM” design with rings produces spring action. |
|
Stays tight during Thermal expansion. |
|
No leakage of toxic/aggressive media |
|
Energy/cost saving”. |
|
Replacement of rings makes valve new no lapping/grinding valve remains on line during maintenance. |
|
Maintenance cost “negligible”. |
