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Introduction of butterfly valve's application

Mar 15,2018 Posted by Bundor

Industry News
Butterfly valve is one of the most commonly used valves in piping systems. It has a wide range of applications. It not only can be used to cut off the flow medium in the pipeline, but also can be used for flow control. The pressure loss caused by the flow of the fluid in the pipe is about three times that of the gate valve and the pressure loss is greater.So choosing butterfly valves should consider two factors, one is the pressure of the piping system loss, and second, when the butterfly valve is closed, the pressure on the medium pressure pipe and elastic valve seat can withstand much of the working temperature. 

Butterfly valve has shorter structure length, the overall height is smaller, the operating torque is shorter, you can quickly open and close, fluid control can be very good, the structural principle of the butterfly valve makes it most suitable for the production of large-diameter valves. When the butterfly valve is required for flow control, the correct choice of butterfly valve size and type is required to make it more efficient.

What are the butterfly valves for?
1. It is required to make throttling and regulation control in the pipeline, and requires the valve structure of short length, opening and closing speed. Recommended butterfly valve.
2.It is necessary to have two position adjustment, reducing pipe, low noise and cavitation, and leakage to the atmosphere.If the medium has a certain corrosive,butterfly valve is choice for you.
3. The butterfly valve is recommended to be used in the special working conditions with strict requirements for sealing, low temperature containing impurities and easy to cause wear, and the three eccentric or double eccentric butterfly valves with metal seals shall be used.
4. In petroleum, petrochemicals, chemical industry, metallurgy, electric power and other fields, it is recommended to use the three-eccentric butterfly valve with metal hard seal, which can replace gate valve and globe valve in many times.
5. The midline butterfly valve is suitable for tight sealing performance. In the condition of zero leakage, the butterfly valve in the middle line is most suitable for working temperature -10-.
150 ℃ of fresh water, sewage, sea water, salt water, steam, gas, oil and various kinds of acid and alkali medium pipeline.
6. Double eccentric butterfly valve is very suitable for use in urban heating, gas supply, water supply and gas, etc., as a device for intercepting or regulating flow.
7. The soft sealing butterfly valve is widely used in gas pipelines and watercourses in metallurgy, light industry, electric power and petrochemical systems.As ventilation and dust removal.
The two-way opening and closing of the pipeline is used.

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