BS EN 15004-9:2017 Fixed firefighting system. Gas extinguishing systems Physical properties and system design of gas extinguishing systems for IG-55 extinguishant

Firefighting
Fire safety
Firefighting equipment
Occupational safety
Fire safety in buildings
Safety measures
Fire extinguishers (built-in)
Gases
Design
Physical properties of materials
Argon
Nitrogen
Fire extinguishers

Link: BS EN 15004-9:2017 Fixed firefighting system. Gas extinguishing systems Physical properties and system design of gas extinguishing systems for IG-55 extinguishant
Source: BSI Standards