China Butterfly Valve Double Eccentric Suppliers - Manufacturers, Suppliers, Factory from China

China Butterfly Valve Double Eccentric Suppliers, , , ,. The product will supply to all over the world, such as Europe, America, Australia,, ,, .

Differences and commonalities between gate valves, ball valves, and butterfly valves

The difference between gate valve, ball valve and butterfly valve: 1. Gate valve There is a flat plate in the valve body which is perpendicular to the flow direction of the medium, and the flat pla...
TWS Group Livestream

As we all know, live streaming has become very popular recently. This is a trend no business should ignore – certainly not TWS Group. TWS Group, also known as Tianjin Tanggu Water Seal Valve...
Valve castings are prone to produce defects

1. The stomata This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
How to solve valve leakage?

1. Diagnose the cause of the leak First of all, it is necessary to accurately diagnose the cause of the leak. Leaks can be caused by a variety of factors, such as frayed sealing surfaces, de...
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 ...
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...