Product Overview ST-291 UNLOADER 5070 PSI Pressure regulator, adjustable from 850 PSI to 5070 PSI SPECIFICATIONS: Maximum flow: 8 GPM Minimum pressure: 850PSI Maximum pressure: 5070 PSI Maximum temperature: 176F Inlet: 3/8" FPT Outlet: 3/8" FPT Bypass: 1/2" FPT Weight: 2.60 lbs. Reviews (No reviews yet) Write a Review