2B4-54T7-130000J0D

Model "D" Pressure Reducing Regulator,Graphite/Nbr Gaskets; 1/2" Size; Wcb Body & Spring Chamber; S40t Trim: 316SST With Virgin Teflon (V-Tfe) Seat,Fluorocarbon;Elastomer (Fkm) Diaphragm; Npt Screwed; 30-80 PSIG Range Spring; Opt-40: Construction Per Nace Standard Mr0175