890EBBGY0100000000

8900 SERIES MANWAY EMERGENCY RELIEF VENTS FLAT FACE FLANGE - BOLTING PATTERN TO ASME 150# SPECIFICATION; 24" SIZE; ALUMINUM BASE; FEP DIAPHRAGM; MODEL 8940 HINGED - NON-LOCKING, WEIGHT LOADED DESIGN FOR PRESSURE, SPRING LOADED DESIGN FOR VACUUM RELIEF; 0.2 - 1 OZ/IN2 VACUUM SPRING RANGE;