Wafer dual plate check valve refers to the valve that automatically opens and closes the valve flap by relying on the flow of the medium itself to prevent the backflow of the medium, also known as ...
Butterfly valves are suitable for pipelines that transport various corrosive and non-corrosive fluid media in engineering systems such as coal gas, natural gas, liquefied petroleum gas, city gas, h...
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 ...
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 advantages and uses of the electric butterfly valve have:
Electric butterfly valve is a very common pipeline flow regulation device, which is widely used and involves many fields, such as the ...
How does the safety valve adjust the pressure?
Tianjin Tanggu Water-Seal Valve Co., Ltd (TWS Valve Co., Ltd)
Tianjin,CHINA
21th,August,2023
Web:www.water-sealvalve.com
Adjustment of safety valve...
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