Model DL Rev B Pressure Reducing Regulator For General Service; 1-1/2" Line Size; Bronze Body With Ductile Iron Spring Chamber; S3 Trim: 316 Stainless Steel With PTFE Seat And Neoprene (BC) Diaphragm; NPT Threaded End Connections; 2-15 PSIG Range Spring; Opt-3: Handwheel And Locking Lever; Polyethylene Vented Spring Chamber Plug