Single Flanged Welded Ball Valve

Single flange fully welded ball valve applications : City gas : gas export pipeline , the main trunk and each branch supply pipes. Central heating : Large heating equipment output pipelines, trunk , branch . Heat exchangers : Pipeline and its opening and closing the loop . Steel plant : a variety of fluid pipes, exhaust pipes, gas and Heat supply pipelines, fuel supply pipe. A variety of industrial equipment: various heat treatment pipes , industrial gas and heating pipes. Single flange fully welded ball valve construction and design : Single flange welded ball valve is completely designed and manufactured in accordance with API6D , fire anti-static . Stem lengthened according to user requirements , body and other metal parts used in all spheres of high-quality forged materials to ensure the quality and strength of ball . Sphere with packing boxes or support plate fixation. Packing boxes or support plate fixed ball can eliminate bending media sphere force acting on the valve stem to produce , so the stem is exposed only torque. And in the sphere of fixed low-friction Teflon around Le composite bearings. Smooth operation of the valve , a small switch torque , easy to operate. Seal is a unique two soft seal and metal seal form triple sealing . Ensure reliable sealing, safe to use. Long-life , maintenance-free .