Model 1000HP Rev A Pressure Reducing Regulator For Standard Service; 1-1/4" Line Size, Gaseous Jet; Sales Kit B; Carbon Steel Body With Carbon Steel Spring Chamber; S1 Trim: 316 Stainless Steel Cylinder And Plug With Metal Seat, 302 Stainless Steel Diaphragm; OPT-32: Schedule 80 Plain End Extended Nipples; 70-225 PSIG Range Spring; OPT-15: Stellited Seat Surface (Includes OPT-14: Integral Seat)