Smoke and heat control systems - Specification for power output devices Ingestion-build-201039 BS EN 13087 is a

BS EN 13087 is a European standard on protective helmets that discusses the test method for protective helmets retention system to improve the effectiveness of the retention system

in a system operating under total pressures greater than or equal to atmospheric pressure

This part of ISO 8503 is also applicable to the determination of the surface profile

vessels and bunkers

hydrogen embrittlement occurs when metals become brittle as a result of the introduction and diffusion of hydrogen into the material

Smoke and heat control systems - Specification for power output devices Ingestion-build-201039 BS EN 13087 is a1 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.