INNOVATION May-June 2019

l eFt : The needle of this ammonia pressure gauge snapped against the stopper pin during the over-pressure condition in Langley on October 24, 2018. The gauge’s internal calibration mechanism is also deformed. P reVioUS PaGe : During the October 2018 incident in Langley, a failed weld on a heat exchanger plate (at the location of the bulge) caused ammonia to leak into the chamber, and then into the atmosphere.

I N N O V A T I O N

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