Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Y Body Material - Valves PVC Pipe or Tube Size 3/4 in Connection Type Spigot x Spigot Seal Material FPM Max Temp - Valves 140 Degrees F Max Steam Pressure - Valves Not Rated Seat Material FPM Application - Valves General Purpose Length 6 9/32 in Width 2 1/8 in Overall Height 3 17/32 in Standards ASTM