Article number: 0083.0172
Application examples: Environment with explosion hazard (zone 1 and 2), Dye shop, Battery room, Laboratory, Workplace
DZQ 25/4 B Ex e - short description
Axial wall fan with square wall plate, DN 250, three-phase AC, explosion proof
DZQ 25/4 B Ex e - Product description
Explosion protection in accordance with ATEX.
Ex II 2G Ex e IIB+H2 T3/T4 Gb.
For usage temperatures of -20°C ≤ Ta ≤ +40°C.
MAICO Ex fans fulfil the safety requirements of European Directive 2014/34/EU for units and protective systems in explosion-endangered areas.
For zones 1 and 2.
EZQ...-Ex e, DZQ...-Ex e with square wall plate.
EZS...-Ex e, DZS...-Ex e with steel wall ring.
Protective grille on the intake side, yellow chromated, protection against accidental contact in accordance with DIN EN ISO 13857.
Can be fitted in any position.
Air flow direction
The following illustration shows the air flow direction.
Air flow direction A: With air drawn across the motor, standard
Air flow direction B: With air blown across the motor, available on request
Robust motor with ball bearings, maintenance-free.
Three-phase AC motor
Separate terminal box, explosion proof, with cable screw-connections.
Reversing mode: The volumetric flow is reduced by approx. 35 % with abnormal air flow direction.
Speed control permitted with transformer TR.... Exception: DZ.. 35/2 B Ex e