Item – Check Valves Check Valve, Flow Design Single, Mechanism and Body Design Y Swing, Body Material – Valves Bronze, Pipe or Tube Size 1 1/4 in, Connection Type FNPT x FNPT, Cracking Pressure 0.5 psi, Mounting Orientation Horizontal, Vertical, Seal Material Bronze, Max. Temp. – Valves 425 Degrees F, Min. Temp. – Valves -20 Degrees F, Max. Water Pressure – Valves 300 psi @ 150 Degrees F, Max. Steam Pressure – Valves 150 psi WSP, Seat Material Bronze, Flow – Valves 54 gpm, Full Flow – Valves Yes