Flow Design Single, Mechanism and Body Design Inline Swing, Body Material – Valves Stainless Steel, Pipe or Tube Size – Check Valves 1-1/4 In., Connection Type – Check Valves Socket x Socket, Mounting Orientation – Check Valves Horizontal, Seal Material – Check Valves 316L Stainless Steel, Graphite, Max. Temp. – Valves 850 Degrees F, Min. Temp. – Valves -20 Degrees F, Max. Water Pressure – Valves 1600 psi @ 100 Degrees F