Parker EX Series - Operating Category and Marking

34 – Pvd3665_Gb_Ex_August 2022
1.2.4. Operating category and marking of EX servomotors
1.2.4.1. EX ATEX/IECEx gazeous atmospheres
II 2 G Ex db IIB T4 Gb IP64
II
2
G
Ex
db
II
B
T4
Gb
IP65
I Mines
M1
Very high
level of
protection
G Gas/Vapour
ATEX protection
o
Oil immersion
I Mines
Methane
T1 450 °C
Ma
Very high
level of
protection
IP64
M2
High level of
protection
p
Pressurized
apparatus
T2 300 °C
Mb
High level of
protection
II Surface
1
Very high
level of
protection
db
Flameproof
enclosure
II Surface Gas
A
Propane
T3 200 °C
Ga
Very high
level of
protection
2
High level of
protection
e
Increased
safety
B
Ethylene
T4 135 °C
Gb
High level of
protection
IP65
3
Normal level
of protection
m
Encapsulation
C
Hydrogen
Acetylene
T5 100 °C
Gc
Normal level
of protection
i
Intrinsic safety
T6 85 °C
Suitable for ATEX/IECEX servomotors