Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Y Body Material - Valves PVC Pipe or Tube Size 1/2 in Connection Type Spigot x Spigot Seal Material EPDM Max Temp - Valves 140 Degrees F Max Steam Pressure - Valves Not Rated Seat Material EPDM Application - Valves General Purpose Length 5 5/8 in Width 1 57/64 in Overall Height 2 63/64 in Standards ASTM