An Enclosure Integrity Test is a mandatory commissioning function for any gaseous extinguishing system that complies with ISO 14520, NFPA 2001, EN 15004 & AS ISO 14520. Confirming whether the enclosure that is being protected will maintain the suppression agent for a minimum duration of 10 minutes is a critical part of the overall system performance.

A gaseous extinguishing system is typically designed to extinguish a fire after initial discharge and with a well-sealed enclosure will maintain an extinguishing concentration for a minimum duration to prevent reflash of the fire. This allows time for fire services, site emergency response personnel, and safety officers to prepare and evaluate the fire situation and take control of the fire emergency after the fire extinguishing system has done its job.

The other critical reason that an Enclosure Integrity Test needs to be conducted on an enclosure where a fire extinguishing system is installed is to evaluate how tight the enclosure may be for the purpose of assessing pressure relief venting. All gaseous extinguishing systems create negative and/or positive pressures on discharge. The magnitude of these pressures will be dependent on how tight or how leaky the enclosure is. If an Enclosure Integrity Test has not been conducted then there is no way to assess whether the pressures on discharge will create a structural integrity problem for your enclosure. Under ISO 14520, NFPA 2001, EN15004 & AS ISO 14520, all enclosures must be evaluated to ensure that structural integrity is not compromised during discharge. A critical part of this evaluation is to perform an Enclosure Integrity Test.

Fire Protection Technologies are experts in this field, we have certified technicians available for testing your enclosure. Our subsidiary company Energy Conservation Australia are the regional distributors for Retrotec Inc. who is the global leader in integrity testing and testing equipment. If anyone wishes to perform this type of testing themselves then enquire about our certification training for technicians.





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