Pneumatically Actuated Butterfly Valve Action Spring Return Body Material Cast Iron Pipe Size 5 in Max Water Pressure 150 psi Seat Material EPDM Number of Bolt Holes 8 Lug Dia 3/4-10 in Air Inlet Pressure 80 psi Bolt Circle Dia 8 1/2 in Product Type Pneumatically Actuated Butterfly Valve