Butterfly Valve Action Spring Return Body Material PVC Pipe Size 3 in Connection ANSI Max Water Pressure 150 psi Seat Material FPM Number of Bolt Holes 4 Lug Dia 3/4 in Compliance ASTM D1784 Cell Class 12454 Standards ISO 5211 Air Inlet Pressure 80 psi Bolt Circle Dia 6 in Product Type Butterfly Valve