BGB-A157-45B00000A

Model BGR-1 Pilot Operated Back Pressure Relief Regulator; Body Size 3",; Cf3m Body, 316l SST Loading Chamber; 316l SST Trim, Fkm Seat, Fkm Diaphragm;Fkm Static Seal, Fkm O-Ring Dynamic Seal,;Pilot W / Fkm Seat & Diaphragm; 150 Lb Raised Face Flanges; 140-300 Range Spring; SST Tubing, External Sensing For Positive Pressure Schematic