forged top entry valve is with a one-piece trunnion supported ball conforms to API specifications 6D and ASME B16.34. All seats are retained in metal holders which are spring-loaded against the ball forlow pressure, firesafe sealing.

The double block and bleed condition is available in all seat design configurations; When the ball is in the closed position, the body cavity pressure may be drained down to 'zero' by opening the bleed valve and draining the fluid by removing the drain plug. Each seat works independently assuring tight shut off seal against ball on the upstream and downstream side.

» FIRE SAFE FUNCTION
» ANTISTATIC DEVICE
» DOUBLE BLOCK AND BLEED
» EMERGENCY SEALANT INJECTION SYSTEM
» HEAVY DUTY BEARINGS