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Butterfly Valve Vs Ball Valve
Oct 04, 2018

Ball valve and butterfly valve are two kinds of valves which are most widely used and widely used nowadays. They are easy to operate and play the role of cutting off and cutting off the pipeline medium.


Ball valve is mainly used in the pipeline to cut off, distribute and change the flow direction of the medium, it only needs to rotate 90 degrees of operation and a small rotating moment can be closed tightly. There are many classifications. According to the function, it can be divided into bypass valve, air valve, pressure relief valve, blowdown valve, etc. According to the transmission can be divided into: pneumatic ball valve, electric ball valve, hydraulic ball valve, pneumatic-hydraulic ball valve, electro-hydraulic ball valve, turbine drive ball valve, etc. According to the shell/main material can be divided into: metal valve, metal valve body lining valve, non-gold. It is material valve and so on.


Butterfly valve, also known as flap valve, is a simple structure of the control valve, mainly by the valve body, stem, butterfly plate and sealing ring. The valve body is cylindrical, with short axial length and built-in butterfly plate. There are many kinds of classification. The driving mode is divided into electric butterfly valve, pneumatic butterfly valve, hydraulic butterfly valve, manual butterfly valve, etc. According to the structure, it is divided into central sealed butterfly valve, single eccentric sealed butterfly valve, double eccentric sealed butterfly valve, three eccentric sealed butterfly valve, etc. According to the working pressure, it is divided into vacuum butterfly valve, low pressure butterfly valve, medium pressure butterfly valve, high pressure butterfly valve, ultra-high pressure butter According to the connection, it can be divided into clip butterfly valve, flange butterfly valve, lug butterfly valve, welding butterfly valve and so on.


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