Tri-offset Butterfly Valve

Tri-offset butterfly valve is a commonly used control valve, and it is widely used in industrial fluid control systems. It is composed of valve body, valve plate, valve stem, sealing ring and other components, and controls the flow, pressure and direction of the medium by rotating the valve plate. First, double eccentric butterfly valves. It has two eccentric shafts, one on the disc and one on the stem, which reduces friction and wear, and makes opening and closing smoother. It also has good corrosion resistance and reliable sealing, and is suitable for high temperature, high pressure, corrosive media and other occasions. Second, Tri-offset butterfly valves. Compared with the double eccentric butterfly valve, the triple eccentric butterfly valve adds a third eccentric shaft, which can better ensure the position and tightness of the valve plate, reduce the possibility of wear and leakage, and have higher performance and reliability. It is commonly used for the control of liquids, gases, vapors, dusts, and other media. Third, the metal seal eccentric butterfly valve. Compared with ordinary eccentric butterfly valves, metal-sealed eccentric butterfly valves use metal sealing rings, which have better high temperature resistance, corrosion resistance and wear resistance, and can meet the needs of high strength, high temperature and harsh environments. It is widely used in chemical, petroleum, gas, and power industries.

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The tri-offset Butterfly Valve is a common control valve with the following three characteristics:

1. Product description: The structural design of the eccentric butterfly valve is to deflect the butterfly plate on the axis of the valve stem, which can reduce the resistance caused by the flow of liquid, reduce the opening and closing torque of the valve, and thus reduce the energy consumption. In addition, the eccentric butterfly valve also has the characteristics of good sealing, long service life, and convenient maintenance.

2. Design features: One of the design features of the eccentric butterfly valve is to install an eccentric butterfly plate on one side of the central axis of the valve, which makes the valve reduce the resistance caused by the flow of liquid during the opening and closing process, thereby reducing the opening and closing torque of the valve and improving the service life of the valve. In addition, the design of the eccentric butterfly valve also adopts the structure of special-shaped sealing ring and elastic seat seal, which can ensure the sealing performance of the valve and effectively prevent leakage.

3. Scope of application: Eccentric butterfly valves are widely used in urban water supply, drainage, chemical industry, metallurgy, electric power, papermaking, food and other industries, and are used to control the flow of various media. Its advantages are simple operation, fast opening and closing, small size, simple structure, etc., so it has been widely used.

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