31A21CA43000000000

3100 SERIES PRESSURE/VACUUM VENT VTA ASME 150 FLANGE CONNECTION; 2" INLET SIZE; ALUMINUM BODY, ALUMINUM BOLT-IN SEAT RING; FEP-TFE PALLET DIAPHRAGM; 2 OZ/IN2 AND ABOVE PRESSURE SET POINT RANGE; 0.75 OZ/IN2 AND ABOVE VACUUM SET POINT; STANDARD WEIGHT MATERIAL STEEL OR COMBINATION OF STEEL AND SST; WITH BUG SCREEN;