Single eccentric butterfly valve
In order to solve the extrusion problem between the disc and the valve seat of the concentric butterfly valve, the single eccentric butterfly valve is produced. Dis...
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...
What is “inch”: Inch (“) is a common specification unit for the American system, such as steel pipes, valves, flanges, elbows, pumps, tees, etc., such as the specification is 10...
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...
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