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 certication
• Voltage-variable external rotor with nished 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
53
Ex-fans - 10.2014
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