BGC-5LJ7-4LB00000A

Model BGR-1 Pilot Operated Back Pressure Relief Regulator; Body Size 4",; Carbon Steel Body & Carbon Steel Loading Chamber; 316l SST Trim, Bc Seat & Diaphragm;V-Tfe Static Seal, Tfe U-Cup Dynamic Seal,;Pilot W / Nbr Seat & Ptfe Diaphragm; 150 Lb Raised Face Flanges; 4.0-12.0" Wc Range Spring; SST Tubing, External Sensing For Positive Pressure Schematic