This manual describes the operation of DAS-075 / ASVF 3/4“ and DAS-100 / ASVF 1”. The two models are diaphragm anti-siphon valves with flow control and atmospheric vacuum breaker.
This manual provides instructions for the Rain Bird DAS-075 (3/4") and DAS-100 (1") anti-siphon valves. These diaphragm valves feature flow control and atmospheric vacuum breaker capabilities for use with standard 24V AC sprinkler controllers. They are designed for outdoor watering and backflow prevention, meeting most building code requirements when installed correctly.
| Maximum Static Water Pressure | 150 PSI |
|---|---|
| Minimum Installation Height | 6 inches above highest sprinkler |
| Maximum Continuous Operation Time | 12 hours |
| Recommended Water Temperature | Less than 110°F (43.3°C) |
| Controller Compatibility | 24 volt AC output |
| Recommended Wire Gauge | 18 gauge |
| Maximum Wire Run Length | 600 ft |
Select a 3/4" valve for systems with 13 GPM or less, and a 1" valve for systems with 14 GPM or more.
No, you must install a 100 mesh or finer wire filter or screen filter before the electric valves for dirty water systems.
Check if the flow control is turned off, then try turning the black knob counterclockwise until resistance is felt.