Item – Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Wafer, Body Material – Valves Cast Iron, Pipe or Tube Size 2 in, Connection Type Flanged Wafer x Flanged Wafer, Cracking Pressure 1.046 psi, Mounting Orientation Horizontal, Vertical, Seal Material Buna-N, Max. Temp. – Valves 150 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, Flow – Valves 48 gpm