Automatic Control Valve Valve Type Pressure Reducing Pipe Size 2 Connection Type Threaded Operating Pressure 150 psi Max Continuous Flow Rate 210 gpm Max Intermittent Flow Rate 260 gpm Port Size 2 x 2 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