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Butterfly Valve

Butterfly Valve

Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metals, and radioactive media. It is mainly used to cut and throttle on the pipeline. The butterfly valve opening and closing member is a disc-shaped butterfly...

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Product Details

Valves can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, mud, oil, liquid metals, and radioactive media. It is mainly used to cut and throttle on the pipeline. The butterfly valve opening and closing member is a disc-shaped butterfly plate that rotates around its own axis in the valve body to achieve the purpose of opening and closing or adjusting.

 

Working principle

The butterfly valve is a valve that uses a disc type opening and closing member to reciprocate about 90° to open, close or adjust the flow of the medium.

 

Features

1. Butterfly valve has the characteristics of simple structure, small volume, light weight, low material consumption, small installation size, rapid switch, 90° reciprocating rotation and small driving torque. It is used to cut off, connect and adjust the medium in the pipeline. Has good fluid control characteristics and closes sealing performance.

2. The butterfly valve can transport the mud and accumulate the least amount of liquid at the pipe mouth. A good seal can be achieved at low pressure. The adjustment performance is good.

3, the streamlined design of the butterfly board, so that the fluid resistance loss is small, can be described as an energy-saving product.

4. The valve stem is a through-rod structure. After quenching and tempering treatment, it has good comprehensive mechanical properties, corrosion resistance and scratch resistance. When the butterfly valve is opened and closed, the valve stem only rotates and does not move up and down. The packing of the valve stem is not easy to be broken and the sealing is reliable. It is fixed with the cone pin of the butterfly plate, and the overhanging end is designed to prevent the punch-out type, so as to prevent the valve stem from collapsing when the valve stem and the butterfly plate are accidentally broken.

5. Connection methods include flange connection, clamp connection, butt weld connection and lug-to-clip connection.

Butterfly valve

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