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Yangzhou Kaidesi Environmental Protection Equipment Co., Ltd. specializes in the development of electric valves and electric actuators

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How to choose the size and type of butterfly valve

发表时间:2018-04-18 12:08:45 Article source: Publication time: 2018-04-18 12:08:45

The structural length and overall height of the butterfly valve are small, the opening and closing speed is fast, and it has good fluid control characteristics. The structural principle of the butterfly valve is most suitable for making large-caliber valves. When the butterfly valve is required to be used for controlling the flow, the most important thing is to choose the size and type of the electric butterfly valve correctly so that it can work properly and effectively.

Generally, in the throttling, regulating control and mud medium, the structure length is short, and the opening and closing speed is fast (1/4 revolution). Low pressure cut-off (small pressure difference), butterfly valve is recommended.

Butterfly valve can be used for double-position adjustment, necked ground passage, low noise, cavitation and gasification, small leakage to the atmosphere, and abrasive media. Throttle adjustment under special working conditions, or strict sealing requirements, or severe abrasion, low temperature (deep cold) and other working conditions, butterfly valve needs to use a special design metal seal with three eccentric or double eccentric dedicated adjustment device Butterfly valve. The centerline butterfly valve is suitable for fresh water, sewage, sea water, salt water, steam, natural gas, food, medicine, oil and other products that require complete sealing, zero gas test leakage, high life requirements, and working temperature of -10 degrees to 150 degrees. Acids and alkalis and other pipelines.

Soft seal eccentric butterfly valve is suitable for two-way opening and closing and adjustment of ventilation and dust removal pipelines, and is widely used in gas pipelines and watercourses of metallurgy, light industry, electric power, and petrochemical systems. Metal to metal wire sealed double eccentric butterfly valve is suitable for urban heating, gas supply, water supply and other gas, oil, acid and alkali pipelines, as a regulating and throttling device. Metal-to-metal sealed triple eccentric butterfly valve is widely used in petroleum, petrochemical, chemical, metallurgy, power and other fields besides being used as a program control valve for large pressure swing adsorption (PSA) gas separation device. replacement product. [The above content is organized and released for you by the electric actuator ]

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