Item - Check Valves Check Valve Flow Design Single Mechanism and Body Design Inline Wafer Body Material - Valves Cast Iron Pipe or Tube Size 2 1/2 in Connection Type Flanged Wafer x Flanged Wafer Mounting Orientation Horizontal Vertical Seal Material Buna-N Max Temp - Valves 100 Degrees F Max Water Pressure - Valves 200 psi @ 150 Degrees F Max Steam Pressure - Valves Not Rated Seat Material Buna-N Spring Material 316 Stainless Steel Application - Valves Process Piping