Automatic Control Valve Valve Type Pressure Reducing Pipe Size 8 Connection Type Flanged Operating Pressure 150 psi Max Continuous Flow Rate 3 100 gpm Max Intermittent Flow Rate 4 000 gpm Port Size 8 x 8 Max Fluid Temp 140 Degrees F Pilot Adjustment Range 15 to 150 psi Body Material Ductile Iron ASTM A536 Cover Material Ductile Iron Elastomer Material Buna N Nut Material 304 Stainless Steel Spring Material 302 Stainless Steel Stem Material 304 Stainless Steel