Back Flow Preventer - China Factory, Suppliers, Manufacturers

Back Flow Preventer, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

The basis for choosing the butterfly valve electric actuator

A. Operating torque The operating torque is the most important parameter for selecting the butterfly valve electric actuator. The output torque of the electric actuator should be 1.2~1.5 times the ...
What is the purpose of a gate valve?

Soft seal gate valve is a valve widely used in water supply and drainage, industry, construction and other fields, mainly used to control the flow and on-off of the medium. The following points nee...
Comparison of gate valve and butterfly valve

Gate Valve Advantages 1.They can provide an unobstructed flow in the fully open position so pressure loss is minimal. 2.They are bi-directional and allow uniform linear flows. 3.No residues are lef...
History of the Development of China's Valve Industry (1)

Overview Valve is an important product in general machinery. It is installed on various pipes or devices to control the flow of medium by changing the channel area in the valve. Its functions are: ...