Analysis of the advantages and disadvantages of the five common valves

There are many types of valves, each has its own advantages and disadvantages, the following lists the advantages and disadvantages of five valves, including gate valves, butterfly valves,ball valves, globe valves and plug valves,I hope to help you.

1. Gate valve

Gate valve refers to the valve that the closing part (gate plate) moves in the vertical direction along the axis of the channel. It is mainly used as a cutting medium on the pipeline, that is, it is fully open or fully closed. In general, the gate valve can not be used as a regulating flow.It can be applied to low temperature and low pressure can also be applied to high temperature and high pressure, but the gate valve is generally not used for conveying mud and other media in the pipeline.

1.1 Advantages:

①Low fluid resistance;

②Smaller torque required for opening and closing:

③It can be used in the loop network where the medium flows in two directions,that is to say, the flow direction of the medium is not restricted;

④When fully open,the sealing surface is less eroded by the working medium than the stop valve;

⑤The structure of the return form is relatively simple, and the manufacturing process is better;

2.Butterfly Valve

2.1 Advantages:

 

① Simple structure, small size, light weight, and material-saving;

 

② Quick opening and closing with low flow resistance;

 

③ Suitable for media containing suspended solid particles, and based on the strength of the sealing surface, it can also be used for powdered and granular media;

 

④ Can be used for bidirectional opening and closing and regulation in ventilation and dust removal pipelines

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