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Check Valves

Check Valves relies on internal pressure, instead of outside action, for opening and closing. Also known as non-return valve, prevention of backflow is the main function of a check valve.

Advantages

  • Simple design.
  • No need for human intervention.
  • effectively prevent backflow.
  • can be used as a backup system.

Check valves are used in applications that need backflow prevention such as pumps and compressors. Feed pumps in steam boilers often use check valves. Chemical and power plants have a variety of processes that also utilize check valves. Check valves are also used when there is a combination of gases in one pipeline.