A-A-2745A
The base shall be designed to allow the sprinkler to be pulled by the hose across level turf when in operation without upsetting.
3.7 Type III Rotary Head. The type III sprinkler shall be designed to spray water in a whirling action in a round or square pattern at the option of the manufacturer. The sprinkler head assembly shall have two or three arms made from corrosion resistant metal or plastic with non-adjustable spray tips. The sprinkler base shall be in accordance with paragraph 3.4.1. or 3.4.2. at the option of the manufacturer.
3.8 Type IV Oscillating Head. The type IV sprinkler shall be designed to spray water in a backward and forward motion over a rectangular pattern. The sprinkler shall be equipped with a control knob for adjusting the spray from a full sweep pattern to a partial left or partial right pattern. The spray bar shall be constructed from corrosion resistant metal and shall have not less than 15 brass jets for directing the spray. The base shall be a rectangular sled design with two runners, constructed from corrosion resistant metal or molded reinforced plastic, extending from the water inlet housing to the opposite end of the base supporting the spray bar. The sprinkler shall be not less than 14 inches (355.6 mm) in length and 5-1/2 inches (139.7 mm) in width overall. The width shall be measured within 2 inches of either end of the sprinkler. A combination washer and strainer shall be provided at the water inlet.
3.9 Performance.
3.9.1 Type I Impulse Head. The sprinkler shall be capable of providing a uniform distribution of water in a partial to full circular pattern. When operated in a full circle, the sprinkler shall be capable of distributing water 85 to 95 feet (25.9 to 29.0 m) in diameter at a water pressure of 45 to 55 psi (310 to 379 kPa) at the sprinkler for a period of 10 minutes.
3.9.2 Type II Multiple T Head. The sprinkler shall be capable of providing a uniform distribution of water in a circular pattern 15 to 25 feet (4.6 to 7.6 m) in diameter or a square pattern 15 to 25 feet in length and width (4.6 to 7.6 m) at a water pressure of 18 to 22 psi (124 to 152 kPa) at the sprinkler for a period of 10 minutes.
3.9.3 Type III Rotary Head. The sprinkler shall be capable of providing a uniform distribution of water over an area 35 to 45 feet (10.7 to 13.7 m) square or over a circular area 35 to 45 feet (10.7 to 13.7 m) in diameter at a water pressure of 35 to 45 psi (241 to 310 kPa) at the sprinkler for a period of 10 minutes.
3.9.4 Type IV Oscillating Head. The sprinkler shall be capable of providing uniform distribution of water over a rectangular area of 2400 square feet (223 sq. m) or greater at a water pressure of 35 to 45 psi (241 to 310 kPa) at the sprinkler for a period of 10 minutes.
For Parts Inquires call Parts Hangar, Inc (727) 493-0744
© Copyright 2015 Integrated Publishing, Inc.
A Service Disabled Veteran Owned Small Business