The electric flange butterfly valve is usually composed of a quarter-turn electric actuator (0~90° partial rotation) and a butterfly valve as a whole, and is assembled after commissioning. The electric flange butterfly valve is simple in structure, small in size and light in weight, and is composed of only a few parts. Moreover, it can be quickly opened and closed by only rotating 90°, and the operation is simple, and the valve has good fluid control characteristics. The disc of the electric flange butterfly valve is installed in the diameter direction of the pipe. In the cylindrical passage of the butterfly valve body, the disc-shaped disc rotates around the axis, and the rotation angle is between 0° and 90°. When the rotation is 90°, the valve is fully open. When the flange butterfly valve is in the fully open position, the thickness of the disc is the only resistance when the medium flows through the valve body, so the pressure drop generated by the valve is small, so it has better flow control characteristics. The butterfly valve has two sealing types: a spring seal and a metal seal. Elastomeric sealing valve, the sealing ring can be mounted on the valve body or attached to the periphery of the disc. Valves with metal seals generally have a longer life than elastomerically sealed valves, but are difficult to seal completely. Metal seals can accommodate higher operating temperatures, while elastomeric seals have temperature-limited defects. If a butterfly valve is required for flow control, the main choice is the correct size and type of valve. The structural principle of the butterfly valve is especially suitable for making large diameter valves. Butterfly valves are widely used not only in general industries such as petroleum, gas, chemical, and water treatment, but also in cooling water systems for thermal power plants. When in the fully open position, the thickness of the disc is the only resistance when the medium flows through the valve body, so the pressure drop generated by the valve is small, so it has better flow control characteristics. The butterfly valve has two sealing types: a spring seal and a metal seal. Elastomeric sealing valve, the sealing ring can be mounted on the valve body or attached to the periphery of the disc. Valves with metal seals generally have a longer life than elastomerically sealed valves, but are difficult to seal completely. Metal seals can accommodate higher operating temperatures, while elastomeric seals have temperature-limited defects. If a butterfly valve is required for flow control, the main choice is the correct size and type of valve. The structural principle of the butterfly valve is especially suitable for making large diameter valves. Flange butterfly valves are widely used not only in general industries such as petroleum, gas, chemical, and water treatment, but also in cooling water systems for thermal power stations. Commonly used butterfly valves are clip-on butterfly valves and flanged butterfly valves. The wafer type butterfly valve uses a stud bolt to connect the valve between the two pipe flanges. The flange type butterfly valve has a flange on the valve, and the flanges on both ends of the valve are connected to the pipe flange by bolts. Ceramic plates made of zirconia or alumina have excellent weatherability, and they have no effect on the surface and substrate, whether it is sunlight, rain (even acid rain) or moisture. UV resistance and color stability are fully up to international gray level 4-5.Similarly, large or rapid temperature changes will not affect the properties and appearance of the material. The reasonable combination of bending strength and elasticity makes the ceramic plate have high impact strength. The dense material surface makes it difficult for dust to adhere, making it easier to clean. Alumina Ceramic Plate,Alumina Ceramic Ballistc,Zirconia Ceramic Block,Zirconia Ceramic Bar Dongguan Haikun New Material Co., Ltd. , https://www.hkceram.com
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