Product Overview VRT100-330 UNLOADER 4072000036 26 GPM / 4640 PSI BLUE SPRING PRESSURE ACTUATED UNLOADER FEATURES: Positioning of all o-ring seals before the threads, for greater mechanical strength Shutter axially guided for greater stability at high flow rates Stainless steel seat and shutter designed by fluid dynamics study to eliminate instabilities and turbulences with great benefit in terms of long life Stem with internal anti-rotation system, for greater life Stem o-ring seal is placed on the connecting stem guide to allow the stroke of the stainless steel stem on o-ring, increasing the life Hexagonal check valve for a better smoothness SPECIFICATIONS: Maximum flow: 26 GPM Maximum pressure: 4640 PSI Inlet: 1/2" FPT Discharge 1/2" FPT Single bypass port 1/2" FPT BUNA-N SEALS Reviews (No reviews yet) Write a Review