Valve seat structure of metal hard sealing ball valve

摘要: The invention discloses a valve seat structure of metal hard sealing ball valve. comprises body, body and assembly, wherein spaces are formed on the two sides at position between assembly in respectively; mounting groove matched with is corner position, which close to body; corrugated pipe; pressing end pressed against form movable fixedly linked one axial side other pipe opposite positioned connected pipes radial inner outer liquid phase communication respectively. has advantages that: can be used high-temperature high-pressure resistant mode, bidirectional function greatly enlarges application range improves performance