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Butterfly valves are used in a wide range of applications. The variety and quantity used continue to expand, and the development of high temperature, high pressure, large diameter, high sealing, long life, excellent regulation characteristics, and multi-valve. Its reliability and other performance.
The butterfly valve is the end adjustment instrument in pneumatic actuators, so it is necessary to make sure its quality through checking butterfly valve frequently. And the butterfly valve is equipped with technique pipelines to adjust the flow, pressure of adjusted medium according to the control technique parameters.
The needle valve is evolved from the globe valve, sometimes called the needle valve globe valve. The specific difference is that the disc of the needle valve is a sharp cone, which is inserted into the valve seat like a needle. The needle valve is a kind of valve that can be precisely adjusted. For
Compared with the gate valve, the globe valve has the advantages of simple structure, good sealing performance and convenient manufacturing and maintenance; The gate valve and the globe valve are full-open and fully-closed valves.
The gate valve refers to the valve that the closing part (gate) moves vertically along the channel axis. It is mainly used as the cutting medium in the pipeline, that is, it is fully open or fully closed.Check valve is automatically to open and close via media pass through.
Butterfly valves and gate valves are indispensable components in fluid pipelines, and they have a very wide range of applications. There is a difference in the function of the two, but the butterfly valve and the gate valve are more different. The most difference is appearance.
The difference of ball valve and globe valve is following:fluid resistance,structure,sealing face,operate type,maintain and applications field etc,ball have soft seated ball valve and metal seated ball valve,that’s depend on difference working conditions.
