Valves such as globe valves, check valves, gate valves, throttle valves and reducing valves all have directivity. If installed in the opposite direction, thrott
At present, there is an intense competition between the domestic and international valve markets, especially between the domestic market and state-owned enterp
Working Principles and Functions of Check Valves Working principles of check valves Check valves refer to valves whose clacks open and close automatically by
Self-sealing design concept was introduced into flanged butterfly valve, whose valve clack & valve shaft connection adopts patented taper pin structure. The val
As corrosion phenomenon appears during the spontaneous interaction between metal and the surrounding, how to isolate the metal from the surroundings or to use m
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The valves have many types. Its structure, material, driving mode and the connection are all different. It is widely used in the daily industrial and agricultur
China Researches and Develops Unique World Operating Valve For Strong Acid Medium Recently, the special valve which was developed by No.11 Institute of Chinese
A dangerous gray haze descended on Northeast China over the weekend, choking off schools, flights and industry and endangering citizens simply trying to breathe
The cause of sealing surface damage can be summarized as follows. Damage to the sealing surface of man-made damage and natural damage to two. Man-made dama
Algeria`s Sonatrach to Boost Output 20% with New Projects Algeria`s state energy producer Sonatrach Group plans to increase output of natural gas and crude oil