Fully Welded Ball Valve

Fully-welded ball valve is used in recent years, oil and natural gas gathering and transportation pipeline hoist pieces of important works, I produced all-welded pipeline ball valve for split-type tube-like body structure, mainly by the body and the connector automatic submerged arc welded together, the two spheres from the upper and lower support plates support the use of combination of sealed valve seat structure and effect in accordance with dual-piston design for symmetrical two-way sealing valve seat, automatic discharge pressure at the same time, fire prevention, anti-static function.