Primary Applications: 1/2"FullorPart Circle,Plastic Impulse Sprinkler,sprinkler irrigation system, sprinkler head Features and Benefits: Plastic body,arm and bearing sleeve Stainless steel spring ,and fulcrum pin Chemicaily resistant PTFE washers Singlenozzle port Superior chemically and grit resistance Specifications: Pressure:0.6-2.6bar Flow Rate:7.0-19.2L/min Radius:3.0-10.5m