Model SLR-2 Pressure Reducing Regulator W/Non-Relieving Loader; Body Size 1-1/2",; Cf3m Body, 316l SST Loading Chamber; 17-4ph SST Trim, 316l SST Cage, Nbr Seat, Nbr Diaphragm;Nbr Static Seal, SST/Tfe U-Cup Dynamic Seal; 150 Lb Raised Face Flanges; No Lower Spring; External Sensing, Standard - Flow To Open Direction; 1/4" Size Npt, Loader. SST Body & Spring Chamber, Non-Relieving,;SST Trim, Tfe Seat, Spring Range 2 - 50 PSIG; No Filters (Customer To Supply), SST Tubing, SST Fitting