31A46CA31S00000000

3100 SERIES PRESSURE/VACUUM VENT VTA ASME 150 FLANGE CONNECTION; 4" INLET SIZE; 316 SST BODY, 316 SST BOLT-IN SEAT RING; FEP-TFE PALLET DIAPHRAGM; 0.75 OZ/IN2 AND ABOVE PRESSURE SET POINT RANGE; LESS THAN OR EQUAL TO 0.49 OZ/IN2 VACUUM SET POINT; WEIGHT MATERIAL ALL SST; WITH BUG SCREEN;