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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. In the field of oil and gas, double block and bleed and double isolation and relief valve can be used for various applications and markets, such as liquefied natural gas, petrochemical, transmission and storage, gas industry process, supervisor and manifold valves in liquid pipelines, and the refined product pipeline. The DBB plug valve is designed for use in liquid piping with duct and dual discharge characteristics and fully protected seating surfaces.
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