2M9-3B57-1B00H0M0B

Model DL Rev B Pressure Reducing Regulator, OPT-45: Cryogenic Construction; 2" Line Size; Bronze Body And Spring Chamber; B5 Trim: Brass With PTFE Seat, Phosphor Bronze Diaphragm; NPT Threaded End Connections; 10-40 PSIG Range Spring; OPT-25S: Stainless Steel Spring Chamber Vented Plug; OPT-55: Cleaned For Oxygen Service Per Cashco Specification S-1134