Basic Info. Material: Steel Connection Form: Flange and Thread Channel: Straight Through Type Structure: Floating Ball Valve Type: Floating Ball Valve Export Markets: Global Additional Info. Origin: China Product Description Double Block and Bleed valves have evolved to replace and add Show More...
Basic Info. Material: Steel Connection Form: Flange and Thread Channel: Straight Through Type Structure: Floating Ball Valve Type: Floating Ball Valve Export Markets: Global Additional Info. Origin: China Product Description Double Block and Bleed valves have evolved to replace and add the process of bolting together individual valves to make the valves in one body. It saved a lot of space and material, it is the development tendency of the valve in the future.These new assembly of the double block&bleed valve provides great savings in weight, space and installation times especially in cage isolation. These savings can be as much as 70% in weight and shown that it can saving 70% installation time on the projects. However the greatest savings, therefore reducing the risk of the potential hazards this entails such as leak or insecure.Dual ball is a necessary requirement when maintenance is taking place down stream of the first isolation valve.These double bllock and bleed valves have also evolved to encompass the function of chemical analysis and mechanical character. Cavity venting is provided by either two balls or globe OS&Y vent relief valve so that the pressure between the two isolation valves can be safely vented.All DBB valves are manufactured to the standrad.Double Block and Bleed valves detail dataManufactured accordance with the recognised standards including GB, JIS, API6D, API607, BS6755PT2, EEMUA 182 latest revision, API up to 10000 and 15000 PSITrunnion mounted, fixed ball, floating ball, and sevrial variants of gate valve, globe valve, check ball valveValve, and ball valve.Special designs including injection quills, sample probes, double block and single block, in-built check valves and seat wipersTested temp from -52 degree C to +300 degree C depend on different material.Double block and bleed valvesDeign: Requirements of API 6D.Material: Carbon steel, stainless steel.Flanged connections to ANSI B 16.5 - Raised face spiral finish.
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