Model DL Rev B Pressure Reducing Regulator For General Service; 2" Line Size; Bronze Body And Spring Chamber; S2N Trim: 416 Stainless Steel Metal Seat And Neoprene (BC) Diaphragm; NPT Threaded End Connections; 70-150 PSIG Range Spring; Polyethylene Vented Spring Chamber Plug; Opt-55: Oxygen Cleaning Per Cashco Specification S-1134