Automatic Control Valve Valve Type Pressure Reducing Pipe Size 6 Connection Type Grooved Operating Pressure 150 psi Max Continuous Flow Rate 1 800 gpm Max Intermittent Flow Rate 2 250 gpm Port Size 6 x 6 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