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 ...
Valve selection principle
(1)Safety and reliability. Petrochemical, power station, metallurgy and other industries production requirements for continuous, stable, long-cycle operation. Therefore, t...
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 ...
Ordinary gate valves generally refer to hard-sealed gate valves. This article analyzes in detail the difference between soft-sealed gate valves and ordinary gate valves. If you are satisfied with t...
Before the valve is installed, the valve strength test and valve sealing test should be performed on the valve hydraulic test bench. 20% of low-pressure valves should be inspected randomly...
Gate valve and butterfly valve both play the role of switching and regulating flow in pipeline use. Of course, there is still a method in the selection process of butterfly valve and gate valve. In...
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