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...
U-shaped butterfly valve is a special type of valve commonly used in various industries to control and regulate the flow of fluids. It belongs to the category of rubber-sealed butterfly valves and ...
With the non-reading anti-war of thermal spraying technology, more and more new spraying materials and new process technologies continue to appear, and the performance of the coating is diverse and...
Soft seal gate valve, also known as elastic seat gate valve, is a manual valve used to connect pipeline media and switches in water conservancy engineering. The structure of the soft seal gate valv...
Due to the sealing element’s function of interrupting and connecting,regulating and distributing, separating and mixing media in the valvpassage, the sealing surface is often subject to corro...
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. ...
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