Nodular cast iron worm gear eccentric ball valve is a relatively new type of ball valve type, it has its own unique structure of some advantages, such as switch frictionless, seal is not easy to wear and open-close torque is small. Which can reduce the distribution of the specifications of the actuator. With multi-turn electric actuators, which can realize to adjust the medium and carefully cut off. Nodular cast iron worm gear eccentric half ball valve structure

nodular cast iron worm gear eccentric half ball valve features ( 1) Solve the industrial production of slurry, mixed flow liquid precipitation, dust and other medium in the pipeline, easy fouling and blocking, the valve is lax. （ 2) When opening the light switch, the ball away from the shell, without any contact, small starting torque, flexible rotation. Closing, hemisphere and the seat of the dissectible function can remove the dirt on the surface of the seal, smooth the valve opening and closing, high safety coefficient, sealed performance is good. （ 3) Sealing surface of the eccentric structure, make the spherical can automatically compensate the wear, can maintain the valve sealing, long service life. （ 4) T belong to the valve wear-resistant hard seal ball Industrial Valves, its seal material is special, sealing surface should be handled with special wear-resisting. Surface hardness can reach HRC65 - after processing 72 degrees, so the wear resistance of the valve. （ 5) The valve surface paint, which has two kinds of normal temperature and high temperature. 600 ℃ high temperature with imported paint, spraying, high temperature use don't burn paint, coking and coking phenomenon, not change color.
flow control valve has become a standardized way of dealing with cast iron gate valve.
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