MODEL "764P" PNEUMATIC PRESSURE CONTROLLER 3-15 PSIG OUTPUT,BRONZE CONTROL HOUSING (PNEU CIRCUIT), 1/4" NPT PNEUMATIC CONNECTION;; SST WETTED CONST; 316SST UPPER CASING & DIAPHRAGM, STEEL LOWER CASING; 450 TO 2500 PSIG PRESSURE RANGE; 1/4" NPT PROCESS CONNECTION @ CENTER OF UPPER DIAPH CASING;; TFE DIAPHRAGM SEAL (OPT-75),GLYCERIN FILL,316SST HOUSING,1/2" NPT PROCESS CONNECTION; STANDARD/COMMERCIAL PAINTING & CLEANING;