Item – Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Spring, Body Material – Valves 316 Stainless Steel, Pipe or Tube Size 2 in, Connection Type Flange x Flange, Cracking Pressure 0.22 psi, Mounting Orientation Horizontal, Vertical, Seal Material Viton, Max. Temp. – Valves 400 Degrees F, Max. Water Pressure – Valves 275 psi @ 100 Degrees F, Max. Steam Pressure – Valves Not Rated, Seat Material Viton, Spring Material 316 Stainless Steel