Ideal for use in areas with changing elevations, the 1800 SAM Series offers all 1800 Series Features plus:
Built-in Seal-A-Matic™ (SAM) check valve. Eliminates the need for under-the-head check valves.
Flow-by: 0 gpm at 8 psi (0.6 bar) or greater; 0.10 gpm (0.02 m³/h; 0.36 l/m) otherwise
Installation: bottom inlet
Five-Year Trade Warranty
Stronger retract spring to accommodate elevation changes up to 14’ (4.2 m). One of the strongest springs in the industry.
Prevents drainage from spray heads at lower elevations. Stops water waste. Ends landscape damage due to flooding and/ or erosion.
Helps retain water in lateral pipes which reduces wear on system components by minimizing water hammer during start-up.
Designed for use with all Rain Bird plastic spray head nozzles.
”SAM” stamped on cap for easy identification and maintenance.
Reduces water consumption by up to 50%.
Eliminates wasted water from misting and fogging caused by high pressure.
Maintains optimized outlet pressure, ensuring consistent nozzle performance, even with varying inlet pressures.
Spacing: 2.5 to 24 feet (0.8 to 7.3m)∗
Pressure: 15 to 70 psi (1.0 to 4.8 bar)
∗2.5 to 18 feet with standard Rain Bird Spray Head Nozzles (SQ, MPR, VAN, U-Series); 13 to 24 feet with Rain Bird Rotary Nozzles
SAM capability: holds up to 14 feet (4.2 m) of head; 6 psi (0.3 bar)
Flow-by: 0 at 8 psi (0.6 bar) or greater; 0.1 gpm (0.02 m³/h; 0.006 l/s) otherwise
Installation: bottom inlet only
½” (15/21) NPT female threaded inlets
1804 SAM – 6” (15 cm)
1806 SAM – 9&farc38;” (24 cm)
1812 SAM- 16” (40 cm)
Exposed surface diameter: 2¼” (5.7 cm)