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Function Use Of Butterfly Valve
Jan 30, 2018

The butterfly valve refers to the closed part (disc or butterfly plate) as a disc, revolving around the valve axis to achieve the opening and closing of a valve, mainly in the pipeline cut off and throttle role, butterfly valve headstock is a disc-shaped butterfly plate, in the body around its own axis rotation, so as to achieve the purpose of open or adjust.

Butterfly valve fully open to full clearance is usually less than 90 °, the butterfly valve and the butterfly pole itself does not have the self-locking ability, for the butterfly plate localization, must install the worm gear reducer on the stem, uses the worm gear reducer, can not only make the butterfly plate has the self-locking ability, causes the butterfly plate to stop in any position, but also can improve the valve the operation performance.

Special features of industrial butterfly valve: Ability to 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 using steel plate welding manufacturing, mainly used in high-temperature medium flue gas duct and pipe.


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