Wuxi Dongao Nonferrous Casting Co., Ltd.
Butterfly Valve Body Castings

Butterfly Valve Body Castings

The direction of the arrow marked on the butterfly valve body indicates the pressure bearing direction of the valve and is usually installed by the company as a wrong indication of the flow direction of the medium to cause a pipeline accident. The so-called pressure bearing direction refers to...

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The direction of the arrow marked on the butterfly valve body indicates the pressure bearing direction of the valve and is usually installed by the company as a wrong indication of the flow direction of the medium to cause a pipeline accident. The so-called pressure bearing direction refers to the closed state of the valve after it is used in pipeline conditions Under the direction of the body arrow to take the best direction to withstand the pressure, if the wrong installation, there may be failure to close the valve failure occurred; with a marked arrow butterfly valve in the pipeline can not position the direction of the arrow and the media flow Are not the same, as in the pump room outlet end of the pump, then the body of the arrow and the media flow is the opposite, such as the water inlet end of the pump, then the arrow and the media flow is the same, such as installed in the main pipeline , The arrow generally follows the media flow

 

Butterfly valve mainly by the valve body, stem, butterfly and seal composition. Body is cylindrical, short axial length, built-in butterfly. Butterfly valve is a simple structure of the control valve can be used for low-pressure pipeline medium switch butterfly valve is the closure of the disc, rotating around the valve shaft to open and close a valve that can be used to control air, water, Steam, a variety of corrosive media, mud, oil, liquid metal and radioactive media and other types of fluid flow.


Wuxi Dongao is one of the professional manufacturers and suppliers of butterfly valve body castings in China, which is competitive in good corrosion resistance. Welcome to buy or wholesale the high quality products made in China from our factory.
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