The RPS™ 50 is a gear-driven, rotary sprinkler, capable of covering an area of 18' to 33' (5,5 to 10,1 m) radius at nozzle pressure of 20 to 70 PSI (1,4 - 4,8 bar) with a discharge rate of .8 to 3.8 GPM (3,0 to 14,4 LPM). The RPS™ 50 is supplied with five (5) numerically coded interchangeable nozzles. Sprinkler nozzle trajectory is 25°. The sprinkler has a stainless-steel radius adjustment screw and has arc adjustment from 40° to 360°. •Right Position Start – Rotor rotates counterclockwise from fixed right start position. •1/2" Inlet •Time Proven Patented Reversing Mechanism – Assures continuous reverse and return…over a 35 year history. •Ratcheting Riser – Allows for easy adjustment of your right starting position with a simple turn of the riser. •Rubber Cover – Seals out dirt and increases product durability. •Wide Selection of Nozzles – Provides flexibility in system design. •Check Valve – Prevents low head drainage.