Backflow_prevention_device Backflow_prevention_device

Backflow prevention device - Definition
Related Words: Anticipation, Arrest, Balk, Ban, Banning, Bar, Block, Blocking, Check, Checking, Circumvention, Contraband, Control, Curb, Curbing

A backflow prevention device is used to protect water supplies from contamination. Many types of backflow devices also have ports so that they can be tested or examined to insure that they are functioning properly.

Partial list of some backflow prevention devices

  • Air gap
  • Atmospheric vacuum breaker (AVB)
  • Chemigation valve (primarily used in agriculture)
  • Double check valve, or double check assembly (DCA)
  • Pressure vacuum breaker (PVB)
  • Reduced pressure principle device, or reduced pressure zone device (RPZ)
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