Model SLR-1 Pressure Reducing Regulator W/Self-Relieving Loader; Body Size 2",; Cf3m Body, 316l SST Loading Chamber; 17-4ph SST Trim, 316l SST Cage, Pa Seat, Bc Diaphragm;Nbr Static Seal, SST/Tfe U-Cup Dynamic Seal; 150 Lb Raised Face Flanges; Lower Spring 2-5 PSIG Range; Internal 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