About YIFA

Introduction of Butterfly Valve

Butterfly valve, also known as flap valve, is a kind of regulating valve with simple structure. The butterfly valve that can be used for on-off control of low-pressure pipeline medium means that the closing part (valve or disc) is a disc, which rotates around the valve shaft to achieve opening and closing.

Butterfly valve is mainly composed of valve body, valve stem, butterfly plate and sealing ring. The valve body is cylindrical, with a short axial length and a built-in butterfly plate.

The butterfly valve has the characteristics of simple structure, small size, light weight, low material consumption, small installation size, rapid switching, 90° reciprocating rotation, and small driving torque. It is used to cut off, connect, and adjust the medium in the pipeline. Fluid control characteristics and sealing performance.

Connection methods include flange connection, clip connection, butt welding connection and lug clip connection.

The driving form includes manual, worm gear transmission, electric, pneumatic, hydraulic, electro-hydraulic linkage and other actuators, which can realize remote control and automatic operation.

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