MODEL SLR-1 PRESSURE REDUCING REGULATOR W/SELF-RELIEVING LOADER BODY SIZE 3",; CARBON STEEL BODY & CARBON STEEL LOADING CHAMBER; 17-4PH SST TRIM, 316L SST CAGE, GF-TFE SEAT, FK DIAPHRAGM FK STATIC SEAL, SST/TFE U-CUP DYNAMIC SEAL; 150 LB RAISED FACE FLANGES; LOWER SPRING 2-5 PSIG RANGE; EXTERNAL SENSING, STANDARD - FLOW TO OPEN DIRECTION; 1/4" SIZE NPT, LOADER, SST BODY & SPRING CHAMBER, SELF-RELIEVING, SST TRIM, TFE SEAT, SPRING RANGE 2 - 50 PSIG; SST FILTER, SST TUBING, SST FITTING;