Today, I will introduce some basic knowledge about wafer butterfly valve
. The disc of the wafer butterfly valve is arranged in the diameter direction of the pipeline. In the cylindrical channel of the butterfly valve body, the disc-shaped butterfly plate rotates around the axis at a rotation angle of 0° to 90°. The valve is fully open after rotating 90°. The wafer butterfly valve is simple in structure, small in size and light in weight, and consists of several components. In addition, it can be turned on and off at a high speed by rotating 90°, which is easy to operate, and the valve has good fluid control characteristics. When the butterfly valve is in the fully open position, the thickness of the butterfly plate is the only resistance that flows through the valve body, so there is less pressure drop across the valve and therefore better flow control characteristics. Butterfly valves have bullet seals and metal seals. Elastomeric sealing valves, sealing rings can be installed around the valve body or butterfly plate. Valves with metal seals generally have a longer life than valves with elastic seals, but it is difficult to completely seal. Metal seals can adapt to higher operating temperatures, and elastic seals have the defect of temperature limitation. If the butterfly valve is used as a flow control, the main thing is to choose the correct size and type of the valve. The construction principle of the butterfly valve is especially suitable for making large-diameter valves. Butterfly valves are not only suitable for general industries such as petroleum, gas, chemical, water treatment, etc., but also for cooling water systems in thermal power plants. Commonly used butterfly valves include butterfly pinch valve and flanged butterfly. Attach the valve between the two pipe flanges with studs. The flanged butterfly valve has a flange on the valve. Bolt the flanges at both ends of the valve to the pipe flanges. Application of wafer butterfly valve: used for gas pipelines in sulfuric acid industry: inlet and outlet of blower in front of furnace, inlet and outlet of relay fan, series and connecting valve of electric demister, inlet and outlet of S02 main blower, adjustment of converter, inlet and outlet of preheater, etc. to adjust and cut off gas volume use. It is used for sulfur incineration, conversion and dry absorption in sulfuric acid system. Butterfly valve with good sealing performance, light operation, corrosion resistance, high temperature resistance, convenient operation, flexible, safe and reliable use. Today's wafer butterfly valve is introduced here. If you still need consultation or have purchase intention, you can consult Lianke Valve Co.,Ltd., contact: +86-577-8585 9626. .
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