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Jiangsu Chenggong Valve Technology Co.,Ltd

We are professionally engaged in the valve design, manufacture and installation.

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Function use of butterfly valv

- 2020-06-18 11:21-

Butterfly valve (English: Butterfly valve) refers to the closed piece (disc or butterfly plate) for the disc, rotating around the valve axis to achieve the opening and closing of a valve, in the pipeline mainly cut off and throttle role. Butterfly valve headstock is a disc-shaped butterfly plate, in the body around its own axis of rotation, so as to achieve the purpose of opening or closing or adjustment.

Butterfly valve fully open to the total is less than 90 °, butterfly valve and the butterfly itself has no self-locking ability, for the positioning of the butterfly plate, to the valve stem on the installation of worm gear reducer. The use of worm gear reducer, not only can make the butterfly plate with self-locking ability, so that the butterfly plate stop in any position, but also to improve the operating performance of the valve. Industry-specific Butterfly valve features: High temperature, the applicable pressure range is also higher, the valve nominal size, valve body using carbon steel manufacturing, valve plate sealing ring using metal ring instead of rubber ring. Large high temperature butterfly valve is welded by steel plate, which is mainly used in flue gas duct and pipe of high temperature medium.

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