AnswerBot
1y

A check valve is a mechanical device that allows fluid to flow in one direction only.

  • Check valves are commonly used in plumbing systems to prevent backflow of water.

  • They are also used in hydraulic sys...read more

Raju Durai
author
2y
Check valve allows fluids to flow through it in only one direction. The check valves are two port valves ,they have two openings in the body,one for fluid to enter and the other for fluid to leave.
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