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what is the function of butterfly valve?

Views: 44     Author: Site Editor     Publish Time: 2022-06-27      Origin: Site

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what is the function of butterfly valve?

What is a butterfly valve

Butterfly valve, also called flap valve, is a simple structure of the regulating valve, can be used for low pressure pipeline media switch control of the butterfly valve is the closing member (valve flap or butterfly plate) for the disc, rotating around the valve shaft to achieve the opening and closing of a valve. The valve can be used to control the flow of various types of fluids such as air, water, steam, various corrosive media, slurry, oil, liquid metal and radioactive media. In the pipeline mainly plays a cutting off and throttling role. Butterfly valve opening and closing member is a disc-shaped butterfly plate, in the valve body around its own axis rotation, so as to achieve the purpose of opening and closing or regulation. Commonly used materials are cast iron, stainless steel, ductile iron, carbon steel, etc.

butterfly valve

The role of butterfly valves

1、When using butterfly valves under special working conditions such as throttling and adjustment, or requiring strict sealing, or severe wear and tear, or low temperature (deep cold), special design metal sealed triple or double eccentric butterfly valves with regulating devices are required.

2、Metal-to-metal wire-sealed double eccentric butterfly valve is suitable for city heating, gas supply, water supply and other gas, oil, acid and alkali pipelines, as a regulating and throttling device.

3、The butterfly valve is suitable for fresh water, sewage, sea water, salt water, steam, natural gas, food, medicine, oil and various acid and alkali and other pipelines that require complete sealing, zero leakage in gas test, high life expectancy and working temperature from -10 degrees to 150 degrees.

4、Soft seal eccentric butterfly valve is suitable for bi-directional opening and closing and adjustment of ventilation and dust removal pipeline, widely used in metallurgy, light industry, electric power, petrochemical system of gas pipeline and waterway, etc. Metal-to-metal surface sealing triple eccentric butterfly valve can be widely used in petroleum, petrochemical, chemical, metallurgy, electric power and other fields, in addition to being used as the program control valve of large scale varicose pressure adsorption gas separation device.

high performance butterfly valvebutterfly valve

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