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Standards Development
This document specifies requirements for gaseous fire-extinguishing systems utilising IG-901, an isopycnic agent formulated to maintain a vapour density comparable to the ambient atmosphere. It covers the physical properties, design specifications, system usage, and safety aspects necessary to achieve and maintain a state of neutral buoyancy within a protected enclosure. 1.2 This document is applicable for systems operating at nominal pressures of 200 bar and 300 bar at 15 °C. This does not preclude the use of other systems, although design data for other pressures are not available at this time.
This is a new agent blend to be used in fixed gaseous extinguishing systems in line with the agreed processes in ISO/TC21/SC8.
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