Channel fan
DPK 25/4 Ex
No longer available for deliveryManufacturer: MAICO
Centrifugal duct fan, three-phase AC, explosion proof
Application examples: Workplace air extraction system, Laboratory, Industrial building
Product data sheet
Characteristic curve
Dimensioned drawing
DPK 25/4 Ex - Dimensioned drawing [mm]
A: 500 mm
B: 300 mm
C: 520 mm
D: 320 mm
E: 540 mm
F: 340 mm
G: 560 mm
H: 372 mm
B: 300 mm
C: 520 mm
D: 320 mm
E: 540 mm
F: 340 mm
G: 560 mm
H: 372 mm
Technical data
DPK 25/4 Ex - Technical data
Accessories
DPK 25/4 Ex - Accessories
Specific accessories
| Product type | Name | Art. No. | Price*(EUR) | Action |
|---|---|---|---|---|
| Motor protection switch | MVK 6 No longer available for delivery | 0157.0763 | on request |
General accessories
| Product type | Name | Art. No. | Price*(EUR) | Action |
|---|---|---|---|---|
| Servomotor | MS 8 | 0157.0760 | on request | |
| Servomotor | MS 8 P | 0157.0761 | on request | |
| Air filter | TFP 25 | 0149.0032 | on request | |
| 5-step switch for TRE...S -2/ TR...S-2 5-step transformers | DSS 20 | 0157.0750 | on request | |
| Channel shutter | AKP 25 No longer available for delivery | 0151.0097 | on request | |
| TR 2,5 No longer available for delivery | 0157.0381 | on request | ||
| 5-step transformer, control cabinet | TR 2,5 S No longer available for delivery | 0157.0742 | on request |
Product description
Productdescription
DPK 25/4 Ex
short description
Centrifugal duct fan, three-phase AC, explosion proofProduct description
Features
- MAICO Ex fans fulfil the safety requirements of European Guideline 2014/34/EU for units and protective systems in areas subject to explosion hazards.
- richtlinie-in-kraft
- The fans fulfil this guideline.
- Technical data subject to change without notice.
- Type of protection "e": Increased safety
- For zones 1 and 2.
- Installation in rectangular ventilation channels.
- Flange profiles fitted on the inlet and outlet sides.
- Galvanised housing with externally fitted terminal box.
- Housing is not gas-tight.
- Reduced space requirement due to the compact dimensions.
- Centrifugal impeller made of galvanised steel, with forward curved blades.
- Motor and impeller are statically and dynamically balanced in accordance with DIN ISO 1940, Balance quality 2.5.
- Use ELP-Ex flexible coupling to prevent transfer of vibrations onto the channel system.
Air flow direction
- Airstream and rotational directions are indicated by arrows marked on the fan housing
Motor
- External rotor motors with speed control.
- Robust motor with ball bearings, maintenance-free.
- Moisture protection impregnation.
- Temperature class F.
- Motor protection class IP 44.
Electrical connection
- Explosion proof terminal boxes, with PG 16 cable screw-connections.
- Connecting cable, approx. 0.7 m long.
- IP 44 degree of protection.
Safety instructions
- The integrated PTC thermistor temperature sensors must be connected to a certified cut-out unit, e.g. MVK 6 motor protection unit.
- The fan may only be operated using the rated voltage shown on the rating plate.
- Ensure that foreign bodies cannot fall into or be sucked into the fan.
- Speed control is only permitted with a transformer.
Special versions
- The following special versions are available at extra cost on request:
- Special voltages.
Wiring diagram
DPK 25/4 Ex - Wiring diagram
Downloads / Videos
DPK 25/4 Ex - Downloads / Videos
Predecessor - successor
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