Butterfly Valve Tianjin - China Manufacturers, Suppliers, Factory

Butterfly Valve Tianjin, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

How to repair the damaged valve stem?

① Use a file to remove the burr on the strained part of the valve stem; for the shallower part of the strain, use a flat shovel to process it to a depth of about 1mm, and then use an emery cloth or...
Practical knowledge of valves

Valve foundation 1. The basic parameters of the valve are: nominal pressure PN and nominal diameter DN 2. Basic function of the valve: cut off the connected medium, adjust the flow rate, and change...
Valve maintenance

For the valves in operation, all valve parts should be complete and intact. The bolts on the flange and the bracket are indispensable, and the threads should be intact and no loosening is allowed. ...
Features of rubber-seated gate valves

For a long time, the general gate valve used in the market generally has water leakage or rust, the use of European high-tech rubber and valve manufacturing technology to produce the elastic seat s...
Why do stainless steel valves also rust?

People usually think that the valve of stainless steel and will not rust. If it does, it may be a problem with the steel. This is a one-sided misconception about the lack of understanding of stainl...
The relationship between the specifications of DN, Φ and inch.

What is “inch”: Inch (“) is a common specification unit for the American system, such as steel pipes, valves, flanges, elbows, pumps, tees, etc., such as the specification is 10&#...