Bosch rexroth 4WS2EM10 5X XH Series - 5.1.2 Explosion Protection Marking

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RE29583-XH-B/09.19, 4WS2EM10..5X/...XH..., Bosch Rexroth AG
5.1.2 Explosion protection marking
The user/machine end-user has to classify potentially explosive atmospheres
accordingto EUDirective1999/92/EC into zones. In the following table,
thecorresponding zones for device groups and categories are shown.
The valve may only be used in the areas and zones which correspond to the device
group and category. During use, also observe the additional information on explosion
protection in "Datasheet29583-XH".
Table 6: Device groups and categories
Zones, device groups and
categories
Device group
accordingto
2014/34/EU
Category
accordingto
2014/34/EU
Area of application, properties (excerpt from the directives) Usable in zone
accordingto
1999/92/EC
I M1 Firedamp areas (=device groupI), i.e. underground parts of mines and their
overground systems. In case of an explosive atmosphere, further operation is
possible.
Very high safety level.
-
I M2 Firedamp areas (=device groupI), i.e. underground parts of mines and their
overground systems. In case of an explosive atmosphere, it must be possible to
deactivate the device.
High safety level.
-
II 1G Potentially explosive atmospheres in which explosive gases, mists or vapors
(=device groupII) occur permanently or for a long time or frequently.
Corresponds to zone 0 accordingto Directive1999/92/EC.
Very high safety level.
0, 1, 2
II 2G Potentially explosive atmospheres where explosive gases, mists or vapors
(=devicegroupII) are occasionally present.
Corresponds to zone 1 accordingto Directive1999/92/EC.
High safety level.
1, 2
II 3G Potentially explosive atmospheres in which explosive gases, mists or vapors
(=device groupII) do not normally occur or only rarely or for a short time.
Corresponds to zone 2 accordingto Directive1999/92/EC.
Normal safety level.
2
II 1D Potentially explosive atmospheres where explosive dust/air mixtures
(=devicegroupII) are continually, long-term or often present.
Corresponds to zone 20 accordingto Directive1999/92/EC.
Very high safety level.
20, 21, 22
II 2D Potentially explosive atmospheres where explosive dust/air mixtures
(=devicegroupII) are occasionally present.
Corresponds to zone 21 accordingto Directive1999/92/EC.
High safety level.
21, 22
II 3D Potentially explosive atmospheres where an explosive atmosphere due to stirred
dust (=device groupII) is normally not present or occurs only rarely or short-time.
Corresponds to zone 22 accordingto Directive1999/92/EC.
Normal safety level.
22