Model DL Rev B Pressure Reducing Regulator For General Service; 2" Line Size; Stainless Steel Body And Spring Chamber; SB Trim: 416 Stainless Steel With BUNA-N (NBR) Seat And Diaphragm; Special Tri-Clamp End Connections (Type B) With 12-1/4" Face To Face; 70-150 PSIG Range Spring; Polyethylene Vented Spring Chamber Plug; Opt-55: Oxygen Cleaning Per Cashco Specification S-1134