Dungs FRM-NOC 100025 HD, Instruction Manual, Page: 2 / 76

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MC • Edition 2022.08 • No
. 279 663 R
ev
. -0
2.2 Designated use
The device is used in accordance with its designated use if
the following instructions are observed:
• Use of the device in gas transport and gas distribution
networks, commercial and industrial plants.
• Use in pressure regulator stations according to EN
12186 and EN 12279 or for use in gas piping systems
according to NFPA 54 or CSA B149.1 or for use in gas
trains according to NFPA 86, NFPA 37, NFPA 85 or CSA
B149.3.
• Use with gases of the 1
st
, 2
nd
and 3
rd
gas families accord -
ing to EN 437 only (e.g. manufactured gas (town gas),
2.3 Risks in the case of misuse
• If used in accordance with their designated use, the
devices are safe to operate.
• Non-observance of the regulations may result in per -
sonal injury or material damage, financial damage or
environmental damage.
• Operator errors or misuse present risks to life and limb
of the operators and also to the device and other mate -
rial property.
commercial grade natural gas and commercial grade
LPG gases in the vaporized phase).
• Use with dry and clean gases only, no aggressive me -
dia.
• Use only in compliance with the operating conditions
stated on the type plate.
• Use in perfect condition only.
• Malfunctions and faults must be eliminated immediately.
• Use only in observance of the instructions given in this
instruction manual and of national regulations.