BA-CFD-RLM-ATEX 4.2 – 01/2023
3. Designated Use
CAUTION!
CAUTION!
Table 3-1:
Maximum ratings
CAUTION
3.1. Operating Data / Maximum Ratings
Risk of injury!
Adhere to the technical specifications and permissible limits.
For technical specifications please refer should be made to the type
plate, technical data sheet and technical catalogue.
Note ATEX category II 2G Ex h IIB T4 Gb; (II 3G Ex h IIB T4 Gc)
Fans of this category are designed for areas where an explosive atmosphere –
as a mix of air, gases, vapors or mist – occurs only occasionally (rarely).
The unit related measures for explosion protection of this category have to
offer the necessary amount of safety, even in the case of frequent unit troubles
or failure modes, to be usually anticipated (predictable troubles).
For the operation of the fans in explosion hazardous areas the relevant
prescriptions, local regulations and directives (ATEX 2014/34/EU) for
manufacturers and user have to be respected.
The installation is authorized in a horizontal shaft position only
Permissible conveyed medium temperatures (ATEX)
Range
RLM 55/56/G6/E6/E3
3.1.1 Examples of incorrect use include the following:
Extraction of media with impermissibly high or low temperatures
Extraction of corrosive media
Extraction of very dusty media
3.1.2 The results are:
Bearing damage
Corrosion damage
Loss of balance
Unauthorised operation
No operation above the indicated rpm (see type plate, data sheet)
No operation at rpm ranges with increased vibration (resonance)
No operation at rpm ranges out of permitted fan curve area (stability of flow
pattern).
No operation if fan becomes polluted
Perm. temperature of
conveyed medium
-20°C ... +40°C (60°C) + 40°C (60°C)
Vibration
Deformation
Abrasion damage
English
Max. ambient temp. on drive
motor
EN-5/24