With the arrival of the first rain and snow in winter, the temperature dropped sharply. In this severe cold, the front-line emergency repair personnel of the Municipal Guokong Water Co., Ltd. brave...
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...
Preparation before operation
Before operating the valve, you should read the operating instructions carefully. Before operation, you must be clear about the flow direction of the gas, you should ...
The valve is a tool used in the transmission and control of gas and liquid with at least a thousand years of history.
At present, in the fluid pipeline system, the regulating valve is the control e...
Butterfly valve is widely used in urban construction, petrochemical, metallurgy, electric power and other industries in the medium pipeline to do cut off or adjust the flow of the best device. Butt...
How check valve works
The check valve is used in the pipeline system, and its main function is to prevent the backflow of the medium, the reverse rotation of the pump and its driving motor, and the...