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ROTOMEC
1.3 MARKING OF ATEX HYDROMECHANIC COUPLINGS
The ROTOMEC constant-fill hydromechanic coupling is manufactured to fulfil
customer’s needs according to an explosion protection process, in compliance
with the 94/9/EC/ATEX directive.
The couplings are built
-
Category I M2
for mining industry
-
Category II 2 G/D
for surfaces industry
The ATEX marking placed on the hydromechanic coupling defines its design and
production characteristics and its anti-explosion protection level as well as the limits
of its use.
M2
High protection category for mining industry
2
High protection category for surface industries
I
Mining
II
Surface
G
Gas
D
Dust
Assembly for gas ignition:
IIB
=Ethylene
IIC
=Hydrogen acetylene
EPL Protection Level:
-
Mb
= Mining
Protection valid for ordinary functioning
and foreseeable malfunction
-
Gb Db
= Surface
Protection valid for ordinary function
and foreseeable malfunction
Class of temperature: T3=200°C
T4=135°C
Construction Safety Protection Mode
I/II
M2/2 G/D
Ex
c Mb/Gb/Db IIB/IIC T3/T4
Ex
- International Sign Ex
Symbol for ATEX marking (2014/34/UE directive)
European Compliance
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