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Smoke and heat control systems. Specifications for natural smoke and heat exhaust ventilators.

Smoke and heat control systems — Part 2: Specifications for natural smoke and heat exhaust ventilators

Overview - ISO 21927-2:2018 (Natural smoke and heat exhaust ventilators) ISO 21927-2:2018 specifies requirements and test methods for natural smoke and heat exhaust ventilators (NSHEV) intended for u…

Smoke and heat control systems — Part 2: Specification for natural smoke and heat exhaust ventilators