Smoke and heat control systems - Smoke ducts sections shop-only Note2: BS EN 60335-2-74 deals

Note2: BS EN 60335-2-74 deals with the reasonably foreseeable hazards presented by appliances and machines that are met by all persons

1) static and dynamic test methods

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

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

Smoke and heat control systems - Smoke ducts sections shop-only Note2: BS EN 60335-2-74 deals1 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