Sprinklers are intended for small to medium sized residential and public sprinkler systems. These devices are specially designed to operate at low pressure and in contaminated water. Characteristics Impact system "PJ" anti-splash arm 3" lift height Interchangeable color coded bayonet style nozzles 1 #8 nozzle already fitted Tool-free nozzle change Double counterweight arm: slow rotation ensures excellent reach Works at low pressure and low flow Single full-circle model and adjustable sector from 20 to 340 degrees Splash screw Scraper and seal Reversal lever for sector watering Double threaded inlet: 1/2 (15/21) and 3/4 (20/27) Threaded side entry: 1/2 (15/21) Specifications Range: 6.7 to 13.7 m Pressure: 1.7 to 4.1 bars Flow rates: 0.34 to 1.91 m³/h Trajectory angle: 23 degrees for nozzle #08 already fitted