General Plug Valve ( also called Twin Seal Plug Valve , DBB plug valve )
Suitable for Industrial processes , Oil and gas and Aviation fueling
Such as: Pipeline pumping stations and terminals , Refinery bulk loading terminals , Crude oil and refined products metering and measurement systems
Design Feature:
- With two seating surfaces that in the closed position , provides a seal against pressure from both ends of the valve , with a means of venting/bleeding the cavity between the seating surfaces .
-Metal to metal sealing
-Packing seal structure , orbital plug valve spool in the valve switch process , both up and down to move and rotary movement , plus the particularity of the medium , in order to ensure the packing seal safe and reliable use of o-ring and packing combination seal
-No friction between sealing face
-Could be with DBB function
