Item - Check Valves Check Valve Archetype - Valves Single Design - Check Valves Inline Swing Body Material - Valves PVC Pipe or Tube Size - Check Valves 8 In. Connection Type - Check Valves Flange x Flange Cracking Pressure - Check Valves 12.500 psi Mounting Orientation - Check Valves Horizontal Vertical Seal Material - Check Valves EPDM Max Temp - Valves 140 Degrees F Min Temp - Valves 40 Degrees F Max Water Pressure - Valves 70 psi @ 73 Degrees F