Gate valves and butterfly valves are used as switches to regulate the flow rate in pipeline use. Of course, there are still methods in the selection process of butterfly valves and gate valves.
In ...
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 assembly is an important stage in the production process. Valve assembly is the process of combining the various parts and components of the valve according to the defined technical premise t...
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 ...
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...
Manufactured valves must undergo various performance tests, the most important of which is pressure testing. Pressure test is to test whether the pressure value that the valve can withstand meets t...
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