For the valves in operation, all valve parts should be complete and intact. The bolts on the flange and the bracket are indispensable, and the threads should be intact and no loosening is allowed. ...
When it comes to the world of commercial butterfly valves, not all devices are created equal. There are many differences between the manufacturing processes and devices themselves that change the s...
After the worm gear gate valve is installed and put into work, it is necessary to pay attention to the maintenance of the worm gear gate valve. Only by doing a good job of daily maintenance and mai...
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...
In the 30s, the butterfly valve was invented in United States, introduced to the Japan in the 50s, and was widely used in Japan in the 60s, and it was promoted in China after the 70s. At present, b...
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