Rain Bird 1806-SAM 6" Pop-up Sprinkler Spray Head w/Seal-A-Matic Check Valve

Product Information:The 1800 SAM Series is ideal for use in areas with changing elevations and offers all 1800 Series features. The spray head with a built in SealAMatic check valve prevents low head drainage. 3 to 18 feet with standard Rain Bird Spray Head Nozzles (MPR, VAN, USeries) 13 to 24 feet with Rain Bird Rotary Nozzles Features:#149; Builtin SealAMatic (SAM) check valve: Eliminates need for underthehead check valves#149; No parts to be installed at the site#149; Traps water in lateral pipes in elevation changes of up to 14 feet (4,2 m)#149; Reduces wear on system components by minimizing water hammer during startup#149; Prevents drainage from spray heads at lower elevations#149; Stops water waste#149; Ends landscape damage due to flooding and/or erosion#149; SAM stamped on cap for easy identification and maintenance#149; Designed for use with all Rain Bird plastic spray head nozzles Specifications:#149; Model: 1806SAM#149; Product number: A43912#149; Operating Range#149; Spacing: 3 to 24 feet (0,9 to 7,3 m)#149; Pressure: 25 to 70 psi (1,7 to 4,8 bar)#149; Specifications#149; SAM Capability: Holds up to 14 feet (4,2 m) of head; 6 psi (0,4 bar)#149; Flowby: 0 at 8 psi (0,6 bar) or greater; 0.10 gpm (0,11 m/h; 1,80 l/m) otherwiseDimensions#149; 1/2" (15/21) female threaded inlet#149; Body Height: 9 3/8" (23,8 cm)#149; Exposed Surface Diameter: 2 1/4" (5,7 cm)#149; Popup Height: 6" (15,2 cm)