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There will be defects in any casting. The existence of these defects will bring great hidden danger to the internal quality of the casting.

The sixth of engineering ability evaluation engineer qualification certification conference was successfully held. More than 100 colleges from provinces and autonomous regions p...

As the main representative to participate in the instrument industry technology development conference in Kaifeng City. 14.12.2023

Gate valve and Ball valve are ready for shipment

Kaifeng High and Middle Pressure Valve Co., Ltd., Kaifeng Dongli High pressure Valve Casting Co., Ltd. to participate in the 19th China (Nan 'an) International plumbing pump val...

From March 7th to 10th, The 11th China International Fluid Machinery exhibition held at Shanghai Hongqiao National Convention and Exhibition Center has come to a successful conc...

Grinding is a commonly used finishing method for the sealing surface of the valve in the manufacturing process of the valve.

We occasionally see some relatively large valves in some pipelines, and bypass valves are always installed. Why is this?

Globe valves, gate valves, butterfly valves, check valves and ball valves are all indispensable control components in various pipeline systems.

In view of the structural characteristics and medium characteristics of the polypropylene assembly loop reactor

Vacuum valve: refers to the valve whose working pressure is lower than the standard atmospheric pressure.