Water Regulating Valve 2 Way Flange Connection Size (In.) 1-1/2 Port (In.) 1 1/2 in Design Pressure (PSIG) 150 psig Set Points 70 to 260 Cast Naval Bronze Application Head Pressure Control with Non-Corrosive Refrigerants For Use With Non Corrosive Refrigerants Mfr No STT17A-612R Mfr No SEP50A-600R