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.