Working Principle of Backflow Preventer
TWS backflow preventer is a mechanical device designed to prevent the reverse flow of contaminated water or other media into a potable water supply system or...
Tianjin Tanggu Water-seal Valve Co., Ltd. R & D production of Air release valve, mainly by the valve body, valve cover, float ball, floating bucket, sealing ring, stop ring, support frame, nois...
The flow rate and velocity of the valve mainly depend on the diameter of the valve, and are also related to the resistance of the structure of the valve to the medium, and at the same time have a c...
WEFTEC, the Water Environment Federation’s Annual Technical Exhibition and Conference, is the biggest meeting of its kind in North America and offers thousands of water quality professionals ...
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 continuo...
Corrosion is one of the most important elements that cause valve damage. Therefore, in valve protection, valve anti-corrosion is an important issue to consider.
Valve corrosion form
The corrosion o...
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