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Blown out gasket results in (NH3) ammonia leaking into machine room

Incident Investigation

Blown out gasket results in (NH3) ammonia leaking into machine room

January 8, 2019

Boiler, PV and Refrigeration

Reference Number:

II-797439-2019 (#10506)



Location: Coldstream

Regulated industry sector: Boilers, PV & refrigeration - Refrigeration system
 

Impact

Injury
 

Injuries: 0

Injury description: NA

Injury rating: NA

Incident rating: Moderate
 

Incident overview

On the plate heat exchanger, a machined nut backed off on the flange bolt that holds the gasket in place. This caused part of the gasket to blow out resulting in (NH3) ammonia to leak into the machine room.

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