Double Block And Bleed Plug Valve
DBB Plug Valve Manufacturer in China: Double Block And Bleed Plug Valve, 1/2-36 Inch, Class 150-2500 LB, API 598, API 6D, RF, FF, TG, SW, BW, NPT Ends.
The DBB plug valve is used in applications that require critical isolation to ensure that no leaks occur. What types of choices depend on the type of application and service. For example, in the waterway or near the city of liquid service, double expansion valve with DBB ability optimization for critical isolation, as they provide upstream and downstream tight mechanical seal at the same time, it usually is not affected by pressure changes or vibration.