31AB1CF41000000000

3100 SERIES PRESSURE/VACUUM VENT VTA ASME 150 FLANGE CONNECTION; 12" INLET SIZE; ALUMINUM BODY, ALUMINUM BOLT-IN SEAT RING; FLUOROCARBON ELASTOMER (FKM) PALLET DIAPHRAGM; 2 OZ/IN2 AND ABOVE PRESSURE SET POINT RANGE; LESS THAN OR EQUAL TO 0.49 OZ/IN2 VACUUM SET POINT; STANDARD WEIGHT MATERIAL STEEL OR COMBINATION OF STEEL AND SST; WITH BUG SCREEN;