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...
Hard sealed butterfly valve:
Butterfly valve hard seal refers to: the two sides of the sealing pair are metal materials or hard other materials. This seal has poor sealing properties, but it has hi...
In the field of industrial valves, flanged concentric butterfly valves occupy an important position due to their versatility and efficiency. This article aims to shed light on the importance and ch...
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...
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 gate valve is a relatively common general valve with a wide range of uses. It is mainly used in water conservancy, metallurgy and other industries. Its extensive use performance has been recogn...
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