3604ABF00000-57391

3600 SERIES SIDE MOUNTED VACUUM RELIEF VENT STANDARD CONSTRUCTION; 4" INLET SIZE, MATES WITH STANDARD ASME 150# FLANGED CONNECTION; FLAT FACE ALUMINUM BODY & COVER, ALUMINUM TRIM; FLUOROCARBON ELASTOMER (FKM) PALLET DIAPHRAGM; STANDARD WEIGHT MATERIAL STEEL OR COMBINATION OF STEEL AND SST; PER SPQ NUMBER 57391 WITH SPECIAL FABRICATED BODY