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Principle of the cast steel floating ball valve: This kind of ball valve has a floating ball supported by two valve seats. Under the medium pressure effect, a certain displacement can be generated by the ball itself so as to be
The side entry trunnion mounted ball valve has been designed two piece body type or three piece body type and with two floating seats, which are movable under the pressure of medium. Under the bottom of seats, seat pre-loading springs are positioned to ensure two floating seats can attach the ball’s surface tightly, other more, pressure of medium also can push seats to attach ball tightly to ensure sealing more reliable.
Principle of the forged steel floating ball valve: This kind of ball valve has a floating ball supported by two valve seats. Under the medium pressure effect, a certain displacement can be generated by the ball itself so as to be pressed onto the seat seal ring at the outlet, guaranteeing tightness at the outlet
The side entry trunnion mounted ball valve has been designed two piece body type or three piece body type and with two floating seats, which are movable under the pressure of medium.
The seat material of general purpose ball valve employs generally non-material,such as PTFE.Limited by the seat material ,the general purpose ball valve can not be used in case of high articles,and ash dregs neither.
The top entry ball valve is designed as an integrated valve body. Its support and ball rod fixed by an upper-assembled pivot and an integrated pivot respectively and the
Zhejiang Naibang Valve CO.,LTD, is located in the hometown of pump valve - Oubei Town Wenzhou City Zhejiang Province.
Zhejiang Naibang Valve CO., LTD, is located in the hometown of pump valve - Oubei Town Wenzhou City Zhejiang Province.Founded in 2000, is a professional valve manufacturer integrating design, technical development, produce and sale service, has a solid strength and rich production experience.
Over the years,our enterp...Read More
The main product are ball valves, check valves, forged steel valves, gate valves, globe valves,and have obtained ISO9001 , API 6D , CE Certificate and TS management system certifications.
Quality originates from sophisticated manufacturing means,while choice goods from continuous innovation.
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