Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Triple Duty Body Material - Valves Cast Iron Pipe or Tube Size 5 in Connection Type Flange x Flange Cracking Pressure 0.300 to 1.250 psi Mounting Orientation Horizontal Vertical Seal Material Buna-N Max Temp - Valves 300 Degrees F Min Temp - Valves 60 Degrees F Max Water Pressure - Valves 200 psi @ 250 Degrees F Max Steam Pressure - Valves 200 psi WSP Seat Material Buna-N