Hunter Sprinkler PGV151 Pgv Series 1-1/2" Globe Or Angle Valve with Flow Control External and internal Manual bleed allows quick and easy "at the valve" activation Double-beaded diaphragm seal design for superior leak-free performance Low flow capability allows use of hunter's micro-irrigation products Optional: DC latching solenoids enable hunter's battery-powered controllers Pgv-151: 20 to 120 GPM