Pneumatically Actuated Butterfly Valve Action Double Acting Body Material Cast Iron Pipe Size 4 in Max Water Pressure 150 psi Seat Material EPDM Number of Bolt Holes 8 Lug Dia 5/8-11 in Air Inlet Pressure 80 psi Bolt Circle Dia 7 1/2 in Product Type Pneumatically Actuated Butterfly Valve