Model 1000HP-1+6 Diff Press Reg,Sgl Diaph,Graphite/Nbr Gaskets; 1" Size,Liquid Jet; Sales Kit B; Ductile Iron Body & Spring Chamber With Closing Cap; S2 Trim: Metal Seat,316SST Cylinder,416SST Plug,302SST Diaphragm; Npt Screwed; 10-40 PSId Range Spring