AL20 – AL 42 Large Fans
Type
- Axial flow fan
- AL20 to AL42
- Diameter: 2000 to 4200 mm
performance range
- Volumetric flow up to approx. 700 m³/s (42000m³/min)
- Total pressure increase up to approx. 8000 Pascal (multi-stage)
- Motor shaft power up to approx. 4000 kW
Characteristics
Design
Axial-flow impeller as cast part from EN AB 43000, with individually adjustable profiled impeller blades with no edges in the flow surface, with guide vanes, sturdy steel housing, foot mounting
Control
Direct start, variable speed (FU) with softstarter or frequency converter
Drive
Voltage ranges 400-10,000 Volt
Coating
Primer with top coat, alkyd resin Silac,
Standard colour: Pure white (RAL9010)
OPTIONs
Sealed motor, dust disks, hard coated impeller, special coating, vibration dampers, stall-point monitoring, VFD compatibility,
cold environment, motor monitoring, incr. efficiency class,
vibration sensors, volume flow, pressure difference and gas monitoring, adjustable blades
Technical execution according to
Machinery Directive: EU Directive 2006 / 42 / EC
ErP ecodesign: Directive 2009 / 125 / EC
Test bench run according to DIN EN ISO 5801 / 2017
Version with explosion protection
PROTECTION CLASS: Fire-damp proof*, explosion-proof*
TYPE: dAL20 to dAL42
Optional: Motor outside the airflow
Spark-protection, thrust collar made of silumin or brass
ACCORDING TO: Directive 2014/34/EU
* also available according to international explosion protection regulations
Main Mine fan Systems
Mine Requirements » Customised solutions
Design » High reliability
Systems » Flexible and versatile in use Innovative special solutions Highly efficient
Our customised engineering services
cover a wide range of services:
- Establishing the specifications
- Design of the systems
- Overall project planning
- Commissioning
- Aerodynamic performance test
- Vibration analysis
- Noise testing
- Fine balancing on site
- Maintenance/maintenance support
We offer turnkey services for all devices.
We plan according to your specifications and requirements:
- Production System design
- Drives and power supply
- Trace heating and cooling
- Control and visualisation
- Comprehensive instrumentation and monitoring
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