Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Spring Body Material - Valves Brass Pipe or Tube Size 2 in Connection Type FNPT x FNPT Cracking Pressure 0.5 psi Mounting Orientation Horizontal Vertical Seal Material Nitrile Max Temp - Valves 180 Degrees F Min Temp - Valves 35 Degrees F Max Water Pressure - Valves 400 psi Max Steam Pressure - Valves Not Rated Seat Material Bronze Spring Material Stainless Steel Flow - Valves 30 gpm