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 ...
In valve engineering, the Cv value (Flow Coefficient) of the control valve refers to the volume flow rate or mass flow rate of the pipe medium through the valve per unit time and under the test con...
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1. Hydrstatic test at negative temperature during construction in winter.
Consequences: because the tube freezes quickly during the hydraulic test, the tube is frozen.
Measures: try to carry out hy...
In the field of industrial control systems, the selection of high-quality valves is critical for optimum performance and reliability. Without a doubt, one of the most eye-catching names is Tianjin ...
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...
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