Smoke and heat control systems - Smoke ducts sections shop-only ISO 2553:1992

ISO 2553:1992

— protective eyewear

Assembly instructions

NOTE 2 In conformity with prevailing practice copper strip has been described as the test metal but other metals may be used and forms other than strips may be used

It creates a standardized approach for manufacturers of hexagonal slotted/castellated nuts to adhere to if they supply their components for use by the aerospace and defence industry

Smoke and heat control systems - Smoke ducts sections shop-only ISO 2553:19921 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