Model D Rev D Pressure Reducing Regulator For General Service; 1/2" Line Size; Carbon Steel Body With Ductile Iron Spring Chamber; B2 Trim: Brass With BUNA-N (NBR) Seat And Neoprene (BC) Diaphragm; Opt-32: Plain End Extended Nipple End Connections; 10-40 PSI Range Spring; [[ERROR RETRIEVING VALUE FOR POSITION 14]]