Model "HP" Pressure Reducing Regulator,Graphite/Nbr Gaskets; 1" Size; Sales Kit B; Lcc Steel Body & Spring Chamber For Temperatures Down To -50 F; S36b Trim: 316SST With Tfe Seat, Buna-N O-Rings,;302SST Diaphragm; 400-750 PSIG Range Spring (Includes Opt-80: High Outlet Pressure;Construction)