China Butterfly Valve and Lug Butterfly Valve - Manufacturers, Suppliers, Factory from China

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

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...
Main classification and service conditions of valve sealing materials

Valve sealing is an important part of the whole valve, its main purpose is to prevent leakage, the valve sealing seat is also called sealing ring, it is an organization that is directly in contact ...
Precautions for the installation of check valves

Check valves, also known as check valves or check valves, are used to prevent the backflow of media in the pipeline. The foot valve of the suction off of the water pump also belongs to the category...
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...
Cause analysis of common valve faults

(1) The valve does not operate. The fault phenomenon and its causes are as follows: 1. No source of gas.① The air source is not open, ② due to the water content of the air source ice in winter, res...
What does the CV value mean? How to select a control valve by Cv value?

In valve engineering, the Cv value (Flow Coefficient) of the control valve refers to the volume flow rate or mass flow rate of the pipe medium through the valve per unit time and under the test con...