Smoke and heat control systems - Smoke ducts sections shop-only This part of ISO 6743

This part of ISO 6743 should be read in conjunction with ISO 6743-991)

Assembly instructions

1) static and dynamic test methods

installations in underground mines

Natural stone lintels

Smoke and heat control systems - Smoke ducts sections shop-only This part of ISO 67431 Scope This document applies to smoke control duct sections placed on the market and intended to operate as part of a pressure differential system or smoke and heat exhaust system. This document specifies requirements and gives reference to the test methods defined for smoke control duct sections and their associated components (for example, hangers and other items proven at the time of testing), which are intended to be installed in such systems in