Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Swing Body Material - Valves Bronze Pipe or Tube Size 3 in Connection Type Sweat x Sweat Cracking Pressure 0.750 to 1.000 psi Mounting Orientation Horizontal Vertical Seal Material Bronze Max Temp - Valves 406 Degrees F Min Temp - Valves -20 Degrees F Max Water Pressure - Valves 200 psi Max Steam Pressure - Valves 125 psi WSP Seat Material Bronze Flow - Valves 170 gpm Full Flow - Valves Yes