This 2?” Sch 80 PVC Electric Butterfly Valve, EPDM, 24 VDC, (FLANGE x FLANGE) is a butterfly valve with an electric actuator installed for automatic control. This electric actuator can be configured to either open or close when 24 volts DC is applied. Butterfly valves are installed between a pair of flanges with falnge bolts. No gaskets are required, they are built into the valve face. Sch 80 PVC is robust and durable, perfect for commercial and industrial applications. EPDM seals provide effective sealing with resistances to several chemicals over a wide range of temperatures. Petram PVC supply has a huge inventory of Sch 80 PVC and CPVC parts.