Smoke and heat control systems - Smoke ducts sections1 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

If the slump continues to change over a period of 1 minute after de-moulding

ISO 4126-5 specifies Controlled safety pressure relief systems which is a type of safety system used to control or limit the pressure in a system

Risk managers

Arc welding is a type of fusion welding in which the heat required to fuse the metal is generated by an electric arc formed between the base metal and an electrode

labelling and technical documentation

and 15 mg/l for titrimetric detection as reported by one laboratory comparing the photometric and titrimetric techniques using a commercial test kit with a range up to 1 000 mg/l

and other critical safety measures

which are dealt with in separate European Standards

These list of standards can be used to increase the safety and anti-leak properties of aerospace equipment

general instructions for the analysis

Nitrile rubber (NBR) O-rings are one of the most commonly used sealing elastomers due to their resistance to petroleum-based fuels and lubricants

BSI Technical Committee MHE/3