MODEL "DA1" SALES KIT FOR PRODUCT CODE: D1B-7XX7-4SX55859E; PRESSURE REDUCING REGULATOR (SERIES I) BODY SIZE 3",STANDARD DIAPHRAGM CONSTRUCTION; CF3M BODY, DUCTILE IRON SPRING CHAMBER; SPECIAL TRIM MATERIALS; 150 LB RAISED FACE FLANGES; 1-10 PSIG RANGE SPRING; PER SPQ NUMBER 55859 PER SPQ: SPECIAL 316L SST TRIM, 316L SST CAGE, PA SEAT, FKM DIAPHRAGM, FKM STATIC SEAL, O-RING DYNAMIC SEAL