3B4-53Y7-82000000A

Model HP Rev A Pressure Reducing Regulator With Graphite/NBR Gaskets; 1/2" Line Size; Carbon Steel Body With Carbon Steel Spring Chamber; S3Y Trim: 316 Stainless Steel With Nylon Seat, Neoprene (BC) Diaphragm; OPT-30: Mates With ASME 600 Raised Face Flanges; 30-150 PSIG Range Spring