MODEL ULR-1 PRESSURE REDUCING REGULATOR WITH UNLOADER BODY SIZE 1",; DUCTILE IRON BODY & LOADING CHAMBER; 17-4PH SST TRIM, 316L SST CAGE, PA SEAT, BC DIAPHRAGM NBR STATIC SEAL, SST/TFE U-CUP DYNAMIC SEAL; NPT END CONNECTIONS; LOWER SPRING 2-5 PSIG RANGE; INTERNAL SENSING, STANDARD - FLOW TO OPEN DIRECTION; WITH UNLOADER, 1/4" SIZE NPT, BRONZE BODY & SPRING CHAMBER, S2 TRIM, SST METAL SEAT AND DIAPHRAGM, SPRING RANGE 10 - 50 PSIG; BRASS FILTER, COPPER TUBING, BRASS FITTING;