Butterfly valve is a kind of valve that uses a disc opening and closing part to reciprocate about 90° to open, close or adjust the flow rate of the medium. Butterfly valve not only has simple struc...
Today, this article mainly shares with you the production process of the wafer concentric butterfly valve Part One.
The step one is preparing and Inspecting all the valve parts one by one. Before a...
1. The stomata
This is a small cavity formed by the gas that the metal solidification process does not escape inside the metal. Its inner wall is smooth and contains gas, which has a high reflectiv...
Valve selection principle
(1)Safety and reliability. Petrochemical, power station, metallurgy and other industries production requirements for continuous, stable, long-cycle operation. Therefore, t...
Both the handle lever butterfly valve and the worm gear butterfly valve are valves that need to be operated manually, commonly known as manual butterfly valves, but they are still different in use....
Today we continue to talk about valve installation precautions:
Taboo 12
The specifications and models of the installed valve do not meet the design requirements.
For example, the nominal pr...