3B4-5S17-89X56512A

MODEL "HP" PRESSURE REDUCING REGULATOR,GRAPHITE/NBR GASKETS 1/2" SIZE; WCB BODY & SPRING CHAMBER; S1 TRIM: 316SST METAL SEAT,302SST DIAPHRAGM; OPT-30: 600 LB RAISED FACE FLANGES; 400-750 PSIG RANGE SPRING (INCLUDES OPT-80: HIGH OUTLET PRESSURE CONSTRUCTION); PER SPQ NUMBER 56512 WITH BODY ASSEMBLY THAT HAS BEEN RADIOGRAPHIC TESTED PER ASME SECTION "V" ARTICLE 2 AND CERTS PROVIDE TO THE CUSTOMER; ALSO BODY ASSEMBLY TO BE HYDROSTATICALLY TESTED AND CERTS PROVIDED TO THE CUSTOMER;