MODEL "1000HP-1+8" DIFF PRESS REG, SALES B KIT FOR PRODUCT CODE: EB7-1S27-12000000B; DBL DIAPH,GRAPHITE/NBR GASKETS; 1-1/4" SIZE,GASEOUS JET; CAST IRON BODY & SPRING CHAMBER WITH CLOSING CAP; S2 TRIM: METAL SEAT,316SST CYLINDER,416SST PLUG,302SST DIAPHRAGM