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Structural Characteristics and Application Characteristics of Butterfly Valves for Pump Valve Fittings

Jun 22, 2018

As a type of pump valve fitting, the original name of the butterfly valve stems mainly from the butterfly plate design of its wing structure, which is installed in the diameter direction of the pipe. In the cylindrical passage of the butterfly valve body of the pump valve fitting, the disk-shaped butterfly plate can be opened and closed by only 90 degrees around the axis.

 

From the overall analysis, the butterfly valve of the pump valve fitting has the characteristics of simple structure, small volume and light weight. And it consists of only a few parts. In practical applications, it can be opened and closed quickly through a certain angle of rotation, and the operation is flexible and convenient. In comparison, the valve also has good fluid control characteristics.

 

Combined with the actual application situation to analyze, when the butterfly valve of the pump valve fitting is in the fully open position, the thickness of the butterfly plate is the only resistance when the medium flows through the valve body. Therefore, the pressure drop generated by the butterfly valve of the pump valve fitting is very small. In the closing movement of the valve, the butterfly plate rotates toward the closed position, and the flow velocity of the medium gradually decreases.http://www.pump-casting.com/