Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Ball Body Material - Valves Acetal Resin Copolymer Pipe or Tube Size 1/4 in Connection Type Push x Push Cracking Pressure 0.33 psi Mounting Orientation Horizontal Vertical Seal Material EPDM Max Temp - Valves 150 Degrees F Min Temp - Valves 34 Degrees F Max Water Pressure - Valves 150 psi Max Steam Pressure - Valves Not Rated Seat Material EPDM Full Flow - Valves Yes