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.
DBB plug valves save space, reduce the need for expensive multi-valve systems, and provide zero-leakage capabilities from upstream to downstream. Such a valve also allows for the integrity check of the seat seals.
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