The sealing surface of steel valves (DC341X-16 Double flanged eccentric butterfly valve) is generally manufactured by (TWS valve )surfacing welding. The materials used for valve surfacing are divi...
Manufactured valves must undergo various performance tests, the most important of which is pressure testing. Pressure test is to test whether the pressure value that the valve can withstand meets t...
The continuous development of the valve industry (1967-1978)
01 Industry development is affected
From 1967 to 1978, due to the great changes in the social environment, the development of the valve ...
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. ...
Butterfly valve refers to the closing part (valve disc or butterfly plate) as a disc, around the valve shaft rotation to reach the opening and closing of a valve, in the pipe mainly cut off and thr...
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...
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