D19-XXX7-7RX56759E

MODEL "DA1" PRESSURE REDUCING REGULATOR (SERIES I) BODY SIZE 2",STANDARD DIAPHRAGM CONSTRUCTION; SPECIAL BODY/SPRING CHAMBER MAT'L; SPECIAL TRIM MATERIALS; 300 LB FLAT FACE FLANGES; 50-150 PSIG RANGE SPRING; PER SPQ NUMBER 56759 STANDARD BRONZE (ASTM B62-UNS 83600) FOR BODY & SPRING CHAMBER; NI-AL-BRZ FOR TRIM & SEAT; INTERNAL SENSING, STANDARD - FLOW TO OPEN DIRECTION; OPT-25S: SCREEN FOR SPRING CHAMBER VENT; OPT-56: SPECIAL CLEANING PER SPEC #S-1542; 2-5 PSIG LOWER RETURN SPRING; FLAT FACE FLANGES CONVERTED TO RAISED FACE PER CUSTOMER REQUEST; HYDROTEST 750 PSI INLET & OUTLET @ 3 MINUTES MINIMUM;