Automatic Flush Valve - Alwasail Products

Automatic Flush Valve

As most installers know, flushing a system on the initial startup is imperative to a clean, well-flowing drip system.

The Automatic Flush Valve is used for periodic flushing of the drip tubing or drip line at the start and end of each irrigation cycle. At the start and end of each irrigation cycle, a small amount of water passes through the tubing, flushing debris that has accumulated out the end. The compression side of the Automatic Flush Valve is attached to the drip tubing with simple wrist action, the drip tubing is fo rced in for a very tight fit with no tools, glue, or clamps required.


  • Helps to keep drip lateral free of debris and to ensure optimum system operation
  • Eliminates periodic manual flushing.
  • Automatically flushes the lateral at the beginning and end of eachirrigation cycle
  • Large water passage for reliable operation
  • Secure and easy installation without glue or clamps
  • Cycle flushing can reduce sediment build-up in the drip tubing,drip line, or drip emitters, extending the long-term performance ofthe irrigation system.
  • Opens at a very low pressure of approximately 1 to 2 PSI
  • Can be removed for cleaning
  • Professional-grade construction for long life and trouble-freeoperation
  • Color-coded black insert fits all polyethylene drip tubing.
  • Made with high-impact, UV-resistant plastic
  • Maximum operating pressure: up to 60 PSI
  • Recommended operating pressure: 15 to 35 PSI (25 PSIpressure regulator is recommended)
  • Closing pressure: approximately 1 to 3 PSI
  •  Opening pressure: approximately 1 to 2 PSI
  • Temperature range: up to 130°F (54°C)
  • 3/4 and Hose Thread: .8 GPM required to close; opens whenpressure is below 2 PSI


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