Mini Backflow Preventer price - China Manufacturers, Factory, Suppliers

Mini Backflow Preventer price, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Reasons for using electric valves and issues to consider

In pipeline engineering, the correct selection of electric valves is one of the guarantee conditions to meet the use requirements. If the electric valve used is not selected properly, it will not o...
What are the disadvantages of wafer check valves?

The wafer dual plate check valve is also a type of check valve with a rotary actuation, but it is a double disc and closes under the action of a spring. The disc is pushed open by bottom-up fluid, ...
Casting Technology of Large Butterfly Valve

1. Structural analysis (1) This butterfly valve has a circular cake-shaped structure, the inner cavity is connected and supported by 8 reinforcing ribs, the top Φ620 hole communicates with the inne...
Classification of Rubber sealing Check Valves

Rubber Sealing Check valves can be classified according to their structure and installation method as follows: Swing Check Valve: The disc of a swing check valve is disc-shaped and rotates around t...
Butterfly valve installation precautions

1. Clean the sealing surface of the butterfly valve and the dirt in the pipeline. 2. The inner port of the flange on the pipeline must be aligned and press the rubber sealing ring of the butterfly ...
Valve leakage causes and solutions

When in use when the valve leakage to do? What is the main reason? First, the closure of the leakage produced by falling off Reason. 1, poor operation, so that the closure of the parts stuck or mo...