Smoke and heat control systems - Specification for power output devices Ingestion-build-228203 water tanks
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Description
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BS EN 71-1:2011+A3:2014 was developed to underpin the new EU Directive on Toy Safety (which came into force in 2011) and
Smoke and heat control systems - Specification for power output devices Ingestion-build-228203 water tanks1 Scope This part of ISO 21927 specifies requirements and gives test methods for primary and secondary electrical and pneumatic power output devices, designed for use in smoke and heat control systems in buildings. NOTE A summary of functions is given in Annex A.
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