Rain Bird® DASASVF075 Sure Flow™ Automatic Anti-Siphon Valve, 3/4"

This professional grade anti-siphon valve replaces Rain Bird and other irrigation valves installed above ground with 3/4 in. female threaded inlet and outlet. It can be used with any 24 volt AC irrigation timer. Its unique reverse-flow design helps prevent flooding in the event of internal diaphragm failure, keeping the valve closed and saving water. Anti-Siphon valves should always be installed at least 6 inches above the highest head on the valve line, and should never have another valve installed further down the line from the main valve. After installation and before startup, always the flush system of dirt and debris manually using the valve's external bleed screw. Equipped with the additional advantage of adjustable flow control, this model helps prevent wasteful misting when water pressure is too high. A top mounted, easy turn flow control knob allows you to optimize flow to the zone, permitting sprinklers to water at their most efficient rate for more uniform coverage. This valve can be applied with all types of watering devices including Rain Bird spray heads (1800, 600), and rotors (22SA, 32SA, 42SA+, 52SA, LG3 and AG5) as well as Drip zones when properly installed together with a pressure regulator and filter.

• Combination Electric Remote Control Valve and Atmospheric Backflow Preventer in one unit.
• Buna-N diaphragm with water filter and captive spring.
• Energy-efficient, low-power encapsulated solenoid with captured plunger.
• External bleed to manually flush system of dirt and debris during installation and system start up.
• Spray-free internal bleed for manual operation.
• Heavy-duty construction with stainless steel screws.
• Meets I.A.P.M.O. and A.S.S.E. listing specifications.
• Canadian Standards Association approved.

Rain Bird manufactures only the highest quality Anti-Siphon valves. Use Anti-Siphon valves in locations where the use of a pressure vacuum breaker (PVB) or a double-check valve is required by city codes to protect against back flow. Check your local city codes to determine what type of valves are required.

Anti-Siphon valves are installed above ground and will prevent back flow if properly installed. Anti-Siphon valves should always be installed at least 6" above the highest head on the valve line, and should never have another valve installed further down the line from the main valve. Our Anti-Siphon valves also feature our patented vacuum breaker–available for automatic or manual applications. All of our Anti-Siphon valves work with any standard sprinkler timer.

• Anti-Siphon (above ground) mounting, (must be installed at least 6 in above the highest sprinkler)
• 3/4 in. female threaded inlet and outlet (use 3/4 in. MPT threaded pipe adapters with Teflon tape)
• Flow control allows adjusting flow to the zone, optimizing sprinkler performance
• 24 VAC, 50/60 Hz automatic operation or manual activation with bleed screw
• Buna-N diaphragm offers superior performance in harsh water environments
• External bleed to manually flush system of dirt and debris prior to installation and system start-up
• Spray-free internal bleed for manual operation
• Energy efficient, low power encapsulated solenoid with captured plunger for long lasting dependability
• Heavy duty construction with stainless steel screws
• Outdoor use only.

Specifications:

• Valve Size: 3/4"
• Valve Type: Anti-Siphon
• Material: Plastic
• Valve Inlet/Outlet Configuration: NPT Female x NPT Female Threaded
• Valve Options: Flow Control
• Valve Series: ASVF
• Operating Temperature:
  
  • Minimum Water and Ambient Air Temperature: 40° F (4° C)
  • Water temperature: up to 110° F (43° C)
  • Ambient temperature: up to 125° F (52° C)

• Dimensions:
  
  • Length: 3.31"
  • Width: 6.75"
  • Depth: 3.5"
  • Height: 6.87"
  • Center of inlet to center of outlet: 3.84"

• Electrical Specifications:
  
  • 24 VAC 50/60 Hz solenoid
  • Inrush: .30 amp
  • Holding: .19 amp
• Flow Range:
  
  • 0.2 to 22 gpm
  • For flows below 3 GPM or drip line applications install a 200 mesh filter before the valve.
• Operating Pressure: 15 to 150 psi