Rain Bird 1804-SAM-PRS 4" Pop-Up Spray Head Body - SAM & PRS
Rain Bird 1804-SAM-PRS - Nozzles Sold Separately
4" Pop-Up Spray Head with Seal-A-Matic and Pressure Regulating Features
The 1800 SAM Series is ideal for use in areas with changing elevations and offers all 1800 Series features.
Incorporates all 1800 Series SAM and PRS features.
"SAM-PRS" stamped on cap for easy identification and maintenance.
Designed for use with all Rain Bird plastic and brass spray head nozzles.
Seal-A-Matic (SAM) Features and Benefits:
- Built-in Seal-A-Matic™ (SAM) check valve. Eliminates the need for under-the-head check valves. No parts to be installed at the site.
- Traps water in lateral pipes in elevation changes of up to 14 feet (4,2 m). Reduces wear on system components by minimizing water hammer during start-up.
- Prevents drainage from spray heads at lower elevations. Stops water waste. Ends landscape damage due to flooding and/or erosion.
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Even stronger retract spring to accommodate elevation changes up to 14 feet (4,2 m). One of the strongest springs in the industry.
Pressure Regulating Stem (PRS) Features and Benefits:
- Patented PRS pressure regulator built into the stem. No parts to be installed at the site. Saves time and money.
- Maintains constant outlet pressure at 30 psi (2,1 Bars). Spray heads and nozzles perform best at 30 psi. Ensures maximum spray head and nozzle performance, even with varying inlet pressures. Maintains constant pressure regardless of nozzle used.
- Restricts water loss by up to 70% if nozzle is removed or damaged. Saves water and money. Reduces possibility of accidents and property damage. Recommended for vandal prone areas.
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Ends misting and fogging caused by high pressure. Stops water waste. Ensures necessary watering occurs in high pressure or wind conditions.
Models:
- 1804-SAM-PRS: 4" pop-up height (10 cm)
- 1806-SAM-PRS: 6" pop-up height (15 cm)
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1812-SAM-PRS: 12" pop-up height (30 cm)
Specifications:
- Spacing: 3 to 20 feet (0,9 to 6,1 m)
- Pressure: 25 to 70 psi (1,7 to 4,8 Bars)
- 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; 0.50 GPM (0,11 m 3/h; 0,03 l/s) otherwise
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SAM operable only when installed by bottom inlet
Dimensions:
- 1/2" (15/21) female threaded inlets
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Body height:
- 1804-SAM: 6" (15 cm)
- 1806-SAM: 9 3/8" (24 cm)
- 1812-SAM: 16" (40 cm) - Exposed surface diameter:
- 2 1/4" (5,7 cm)
1800 Series Technical Information
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