Product Overview PULSAR 4 UNLOADER WITH SWITCH FEATURES: Sturdy brass and steel construction Multiple connections for easy installation Powerful spring action provides reliable pressure adjustment Bolt on pressure switch Hexagonal shaped check valve avoids jamming O-rings before threads so threads do not see pressure New fitting shape, ball always in axis with the seat Larger porting throughout unloader to allow higher flow Knob is fitted with a locknut for minimum and maximum pressure regulation SPECIFICATIONS: Maximum flow: 10.5 GPM Maximum discharge pressure: 4000 PSI Maximum temperature: 194F. Port sizes: 3/8" PFT inlet, discharge and bypass Weight: 1.6 lbs. Warranty Information null Reviews (No reviews yet) Write a Review