1. Valve selection principle:
The selected valve should meet the following basic principles.
(1) Safety and reliability of petrochemical, power station, metallurgy and other industries require cont...
In an era where the quality of water is of paramount importance, protecting your water supply from contamination is non-negotiable. Backflow, the unwanted reversal of water flow, can introduce harm...
The initial stage of the valve industry (1949-1959)
01Organize to serve the recovery of the national economy
The period from 1949 to 1952 was the period of my country’s national economic reco...
The sealing performance of the valve is one of the main indexes to evaluate the valve quality. The sealing performance of the valve mainly includes two aspects, namely, internal leakage and externa...
In the ‘steel jungle’ of industrial pipelines, valves act as silent water workers, controlling the flow of fluids. However, they often ‘die young,’ which is truly regrettabl...