2B4-9S2K-24BD

Model D Rev D Pressure Reducing Regulator For General Service; 1/2" Line Size; Sales Kit B; Stainless Steel Body With Carbon Steel Spring Chamber; S2 Trim: 416 Stainless Steel Metal Seat And 302 Stainless Steel Diaphragm; 10-40 PSI Range Spring; OPT-4: Piston Stabilizer For Gaseous Service