1. In practical engineering applications, the damage of Dual plate wafer check valves is caused by many reasons.
(1) Under the impact force of the medium, the contact area between the connecting pa...
Working Principle of Backflow Preventer
TWS backflow preventer is a mechanical device designed to prevent the reverse flow of contaminated water or other media into a potable water supply system or...
WCB, a carbon steel casting material conforming to ASTM A216 Grade WCB, undergoes a standardized heat treatment process to achieve the required mechanical properties, dimensional stability, and res...
When controlling and regulating the flow of liquids and gases, the type of valve used plays a vital role in ensuring efficient operation. Two commonly used gate valve types are non-rising stem gate...
(1) The valve does not operate.
The fault phenomenon and its causes are as follows:
1. No source of gas.① The air source is not open, ② due to the water content of the air source ice in winter, res...
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