5.7
DVEX roof fans series
5.7.1
Types
DVEX 315D4
DVEX 500D6
DVEX 355D4
DVEX 560D6
DVEX 400D4
DVEX 630D6
DVEX 450D4
5.7.2 Description
•
Integrated thermo-contacts (PTC)
•
Ignition protection class “Ex e” (increased safety)
•
Motor protection by posistor in combination with a suitable motor protection device with EC test type certification
•
Voltage-variable external rotor with finished wire
•
Installation of sound absorbers possible.
The radial rotor of the vertical blow-out DVEX roof fans has backward-bent rotor blades. Its housing comprises saltwa-
ter-proof aluminium. The base frame and an integrated bird-protection grid are on powder-coated, galvanised sheet
steel, the admission nozzle of copper.
The fans can be used for temperature classes T1, T2 and T3. They convey explosion-capable gases in Zone 1 and Zone 2
as well as groups IIA and IIB.
1
2
3
4
5
6
Fig. 7:
Fans of the DVEX series with accessories
Legend
1
FTG
Hinged frame
4
ASS-EX
Flexible connection
2
TDA
Adapter frame
5
ASF
Intake connection
3
VKS-EX
Self-acting covering cap
6
FDS
Flat roof base
Description
53
