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What is the difference between flange butterfly valve and wafer butterfly valve
Release time:
2024-05-23
Wafer butterfly valve itself does not have a flange, is to rely on the pipe flange extrusion connection, the general use of stud bolt connection
Wafer butterfly valve itself does not have a flange, is to rely on the pipe flange extrusion connection, the general use of stud bolt connection, flange butterfly valve itself with flange, and ordinary gate valve and so on the same. The function is similar. It is used for gas pipelines in sulfuric acid industry: front blower inlet and outlet, relay fan inlet and outlet, electric defogging series and connecting valve, S02 main blower inlet and outlet, converter adjustment, preheater inlet and outlet, etc. It is the * brand of valve for sulfur burning, conversion and dry suction in sulfur-burning sulphuric acid system. It is considered by the majority of users as butterfly valve with good sealing performance, light operation, secondary corrosion, high temperature resistance, convenient operation, flexible operation and safe and reliable use, which has been widely promoted and used.
Flange butterfly valve structure is simple, small size, light weight, only by a few parts. And only need to rotate 90 ° to quickly open and close, simple operation, while the valve has good fluid control characteristics. The butterfly plate of the butterfly valve is installed in the diameter direction of the pipeline. In the cylindrical passage of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis, and the rotation angle is between 0 ° and 90 °. When rotating to 90 °, the valve is fully open. Flange butterfly valve is in the fully open position, the thickness of the butterfly plate is the resistance of the medium flowing through the valve body, so the pressure drop generated by the valve is very small, so it has good flow control characteristics. Butterfly valve has elastic seal and metal seal two types of sealing. Elastic sealing valve, the sealing ring can be embedded in the valve body or attached to the periphery of the butterfly plate.
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