Smoke and heat control systems - Specifications for natural smoke and heat exhaust ventilators Ingestion-build-276583 network and information and communication

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Smoke and heat control systems - Specifications for natural smoke and heat exhaust ventilators Ingestion-build-276583 network and information and communicationWhat is this standard about? This document applies to natural smoke and heat exhaust ventilators (NSHEV) operating as part of smoke and heat exhaust systems (SHEVS), placed on the market. This document specifies requirements and gives test methods for natural smoke and heat exhaust ventilators which are intended to be installed in smoke and heat control systems in buildings.