Overview Reviews Product Description 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. Product Videos Custom Field Product Reviews Write a Review Write a Review × Suttner ST-291 UNLOADER 5070 PSI Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *