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MK LIT (E5) 01/2021 page 15/172
The operator of plant-specific measures must observe the relevant country-specific regulations, which are
intended to ensure safe handling of CO
2
. Other national or international guidelines or the requirements of
insurance companies or authorities must also be observed. In Germany, please pay particular attention to
DGUV Information 205-026.
Also observe the information in the safety data sheet for CO
2
.
1.7.4 Notes on handling nitrogen when using it as inert gas
Inertization by the operator can create a harmful atmosphere inside the chamber.
Nitrogen (N
2
) in high concentrations is hazardous to health. It is colorless and almost odorless and therefore
practically imperceptible. Active extraction (technical ventilation in accordance with country-specific regu-
lations) must be connected to the exhaust air nozzle of the appliance. The extraction must be effective
during the entire operation of the chamber.
Any N
2
gas that may escape must be safely led out via good room ventilation or a suitable connection to
an exhaust system.
DANGER
Risk of suffocation through high concentration of N
2
.
Death by suffocation.
∅ Do NOT set up the chamber in non-ventilated recesses.
Ensure technical ventilation measures: An active extraction system (technical ventila-
tion in accordance with country-specific regulations) must be connected to the ex-
haust air connection of the chamber. The extraction must be effective during the en-
tire operation of the chamber.
Observe the relevant regulations for handling N
2
.
Close the N
2
supply when decommissioning the chamber.
The operator of plant-specific measures must observe the relevant country-specific regulations, which are
intended to ensure safe handling of inert gases. Other national or international guidelines or the require-
ments of insurance companies or authorities must also be observed. Also observe the information in the
safety data sheet for the inert gas used.
1.7.5 Precautions when handling gas cylinders
General information for safe handling of gas cylinders:
• Store and use gas cylinders only in well-ventilated locations.
• Open the gas cylinder valve slowly to avoid pressure surges.
• Secure gas cylinders during storage and use against falling (chaining).
• Transport gas cylinders with a cylinder cart, do not carry, roll, or throw them.
• Always close the valve even with apparently empty cylinders; screw on the cap when not in
use. Return gas cylinders with the valve closed.
• Do not open gas cylinders by force. Mark them when damaged.
• Protect gas cylinders against fire, e.g. do not store together with flammable liquids.
• Observe relevant regulations for dealing with gas cylinders.
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