Any company manufacturing, pro-
cessing storing combustible substances must ex-
pect the risk explosions.3.1 Basic principles
Every year, explosions endanger people and systems
around the world. The system operator is
responsible for the proper availability the system!
Three factors must exist simultaneously for ex-
plosion occur:
• Combustible substance
• Oxygen
• Ignition source according the Technical Rules for
Operating Safety (TRBS) 2153/Technical Rules for
Hazardous Substances (TRGS) 727: Static electri-
city, electromagnetic waves lightning strike
Parts and TRBS 2153 and 2152 have the
same content those TRGS 720/721 and 722.
TBS
Blitzschutz-Leitfaden
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en
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Chapter The external lightning protection system
.TBS
Blitzschutz-Leitfaden
2018
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en
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2020/01/10
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2.3 Lightning protection potentially
explosive areas
2.
Application examples:
• Gas pressure regulation and measurement systems
• Valve stations
• Pumping stations
• Fuel depots
• Natural gas storage facilities, natural gas com-
pressor stations
• Petrol stations
• Refineries
• Biogas plants
• Production facilities the chemicals and pharma-
ceuticals industry
Potentially explosive areas (Ex areas) are all those
rooms and areas which gases, vapours, mists or
dusts, which can form potentially explosive mixtures
with air, can collect hazardous level. Explosion
protection will prevent damage technical products,
systems and other equipment
