2B4-5SN7-12000000D

Model D Rev D Pressure Reducing Regulator For General Service; 1/2" Line Size; Carbon Steel Body And Spring Chamber; S2N Trim: 416 Stainless Steel Metal Seat With Neoprene (BC) Diaphragm; NPT Threaded End Connections; 10-40 PSI Range Spring; Polyethylene Vented Spring Chamber Plug