Valves and pipes of the general provisions 1, when the fire pump outlet diameter is greater than 300 mm, should not use a single manual opening and closing function of the valve. Valve should have obvious opening and closing signs, remote control valves should have quick opening and closing function, and reliable sealing.More>>
Discussion on the Performance and Characteristics of Various Valves, Regula..
Pneumatic control valve is to use compressed air as the power source, cylin..
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Causes of leakage of valve packing 1, packing selection is not correct, not..