ATEX
10
300750767_002_C3 - 12/2020 - © Leybold
ATEX directive implications
Pumps which carry the ATEX mark are designed to meet the requirements of
Group II Category 3G in respects to ignition sources internal to the pump.
This classification is in accordance with Directive 2014/34/EU.
Classification and Marking of the Pump
The pump is marked as follows:
II 3/- G Ex h IIC T3 Gc (5 °C ≤ Ta ≤ 50 °C)
(internal atmospheres only)
Modifying the supplied pump, voids the CE and ATEX Declaration of
Conformity.
Key to the Symbols
ATEX logo
.. / ..
Means that the product has two different categories
-
means that a part of the product does not comply with the directive
and has not been intended for utilisation within an explosion hazard
area.
II 3/- G (Gc)
The pump may suck off gases from Zone 2, is however to be
installed outside explosion hazard areas.
h
The code letter “h” is valid for all nonelectric devices.
IIC
Explosion group
T3
Temperature class. Pumps belonging to temperature class T3 must
only be operated with gases or vapors which exhibit an ignition tem-
perature of over 200 °C.
Ta
Permissible ambient temperature for operation of the pump:
5 °C ≤ Ta ≤ 50 °C.
Areas of Application
The inside (process gas side) of this vacuum pump is so rated and designed
that the occurrence of foreseeable ignition sources can be excluded during
normal operation. Provided the pump is operated in accordance with the
parameters specified in the Operating Instructions the pump will offer a nor-
mal degree of protection. For this reason it is suited for operation under con-
ditions where it is unlikely that an atmosphere capable of exploding is created
by gases, vapours or mists in the air or if such atmospheres do occur then
this only rarely and only briefly (i.e. Zone 2).
The pump itself must not be installed and operated in explosion hazard
areas.
Conditions of safe use
The DRYVAC pump must be operated in accordance with the definitions of
normal use and operational limits as specified within this manual.
DANGER
For Part No. 112030V11
