In the design and procurement of pipes, pipe fittings and valves, Φ, DN and inches (“) are three easily confused specification units. Their core difference is that: Φ represents the absolutel...
Rubber Sealing Check valves can be classified according to their structure and installation method as follows:
Swing Check Valve: The disc of a swing check valve is disc-shaped and rotates around t...
In the field of industrial valves, flanged concentric butterfly valves occupy an important position due to their versatility and efficiency. This article aims to shed light on the importance and ch...
1. Defect characteristics
Unfused refers to the phenomenon that the weld metal is not completely melted and bonded with the base metal or between the layers of the weld metal.
Failure to penetrate ...
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...