THESE NUMATROL (NUMATICS) SHUTTLE VALVES HAVE TWO INPUTS PORTS AND ONE OUTPUT PORT. WHEN A SIGNAL IS APPLIED TO AN INPUT PORT, THE SIGNAL AIR SHIFTS THE VALVE AND IT PASSES THROUGH TO THE OUTPUT PORT. WHEN THE SIGNAL IS REMOVED FROM THE INPUT PORT, THE AIR IN THE OUTPUT PORT EXHAUSTS BACK THROUGH THE SHUTTLE AND OUT ONE OF THE INPUT PORTS. PRESSURE RANGE: 1.5 TO 80 PSIG TEMPERATURE RANGE: 40 DEG F TO 200 DEG F (AMBIENT) CV: 0A22-1 = .44 ORO SERIES = .31 METAL BODY NOT FINDING WHAT YOU NEED? SEND US AN E-MAIL: SALES@THEPNEUMATICSTORE.COM