Item – Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Inline Ball, Body Material – Valves PVC, Pipe or Tube Size 2 in, Connection Type Socket x Socket, Cracking Pressure 1 psi, Mounting Orientation Horizontal, Vertical, Seal Material FKM, Max. Temp. – Valves 120 Degrees F, Min. Temp. – Valves 30 Degrees F, Max. Water Pressure – Valves 150 psi @ 120 Degrees F, Max. Steam Pressure – Valves Not Rated, Seat Material FKM, Full Flow – Valves No