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Feature: Checking on nuclear plants

Cooling systems of nuclear power plants are among the major applications for nuclear check valves
Cooling systems of nuclear power plants are among the major applications for nuclear check valves
A look into nuclear check valve technology and markets

A nuclear check valve is a one-way valve that allows a fluid, either liquid or gas, to flow in a single direction with minimum resistance. The valve consists of a body, bonnet, and disc, with the body comprising two ports, one for the fluid to enter and the other for it to exit. They are used in various nuclear power plant applications, such as cooling water circuits, preheaters, vaporisers, and turbines.

Check valves are employed in the nuclear industry to control feed water systems, as well as in dump lines, miscellaneous process systems, and monitoring and sampling systems. They also help avoid reverse flow with minimal leakage and they prevent excessive heat transfer between two fluids and play a pivotal role in providing safety against explosion and meltdowns in the nuclear power industry. Installing them not only aids the protection of sensitive components such as pumps, but also inhibits the inadvertent draining of tanks.

Straight-way swing and angle are the two primary types of check valves used in nuclear power plants. The former is likely to dominate the market...

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Cooling systems of nuclear power plants are among the major applications for nuclear check valves