Smoke and heat control systems - Smoke control dampers Ingestion-build-47786 see BS 25999-2:2007

see BS 25999-2:2007

Intended use and identification of characteristics related to the safety of the medical device

combustion chamber and heat exchanger fully assembled

NOTE 1 Round head screws other than metallic drive screws have not been included in this standard as it is considered that pan head screws provide for most of the applications in which round head screws are normally used and allow more conveniently for the application of torque

This International Standard specifies the characteristics of hexagon socket button head screws with threads from M3 up to and including M16

Smoke and heat control systems - Smoke control dampers Ingestion-build-47786 see BS 25999-2:20071 Scope This document applies to smoke control dampers, placed on the market and intended to operate as part of a pressure differential system or smoke and heat control system. This document specifies requirements and gives reference to the test methods defined for smoke control dampers and their associated components, such as actuators which are intended to be installed in such systems in buildings. Furthermore, provision on marking and information