Model SLR-1 Pressure Reducing Regulator W/Self-Relieving Loader; Body Size 1",; Cf3m Body, 316l SST Loading Chamber; 17-4ph SST Trim, 316l SST Cage, Gf-Tfe Seat, Fkm Diaphragm;Fkm Static Seal, O-Ring 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 - 100 PSIG; SST Filter, SST Tubing, SST Fitting With Helix Coils