Inspection of Gas Fire Suppression Systems (FM200, CO2)

Short answer: Gaseous fire extinguishing systems (FM200, CO2, inert gas) are fixed systems that extinguish fires in sensitive areas (data centers, switchboard rooms, archives) where water is ineffective. Gas quantity, triggering, and discharge are controlled within the framework of TS ISO 14520 / TS EN and BYKHY standards.

Gas-based systems extinguish fires within seconds without damaging electronic equipment. Insufficient gas, incorrect triggering, or leaks can render the system ineffective or lead to unwanted discharges during a fire.

Periodic inspections verify cylinder pressures, the trigger chain, and chamber tightness, ensuring the system operates efficiently and safely.

What is checked?

  • Cylinder/cylinder pressure and gas volume (weighing)
  • Detection-trigger panel and cross-zoning
  • Solenoid, pilot tube and manual discharge station
  • Nozzles, pipeline, and direction.
  • Room airtightness (door fan / room integrity test)
  • Delay, warning, and ventilation interlock.
  • Pressure relief damper and safety device.

Method and Site Integrity Test

Inspection includes: verifying gas levels by weighing the cylinders, testing the trigger chain (sensing→panel→solenoid), and, if necessary, room integrity test (door fan test) includes. TS ISO 14520, This determines the design and discharge concentration for clean gas systems. Airtightness of the chamber is critical to ensure the discharged gas remains in the space for the required duration.

Legal Basis and Period

Gaseous fire extinguishing systems must be regularly inspected and reported on by authorized personnel in accordance with BYKHY and relevant TS ISO/TS EN standards.

Common Nonconformities

  • Cylinders that showed gas loss during weighing.
  • Untested/faulty trigger chain
  • Compromise of the seal of the space (new hole/channel)
  • Manual unloading or locking disabled.

Frequently Asked Questions

How can the gas quantity be verified?

Cylinders are weighed or pressure-measuring to compare them to their design filling value.

What is a room integrity test?

The door fan test measures the airtightness of the space; it confirms that the gas will remain for a sufficient period of time.

Which standard is essential?

For clean gas systems, TS ISO 14520 and BYKHY standards are used as the basis.

Document Your Fire Safety

for inspection Fire Installation Inspections Check out our page; mandatory periodic inspection Check our guide.

Get a free quote »