Historical
ISO 21927-3:2006
Smoke and heat control systems - Part 3: Specification for powered smoke and heat exhaust ventilators
ISO 21927-3:2006 specifies requirements and gives methods for testing powered smoke and heat exhaust ventilators that are intended to be installed as part of a powered smoke and heat exhaust ventilation system. It also provides a procedure for approving a range of powered smoke and heat exhaust ventilators and their motors, from a limited number of tests.
CONTENT PROVIDER
International Organization for Standardization [iso]
International Organization for Standardization [iso]