EST4-15 to EST9-500
Type
EST4-15 to EST9-500
- Axial flow fan
- Diameter: 400 to 900 mm
Performance range
- Volumetric flow up to 19 m³/s (1140 m³/min)
- Total pressure increase up to 3000 Pascal
- Motor shaft power from 1,5 to 50,0 kW
characteristics
Design
Axial-flow impeller as cast part made of EN AB 43000 with smallest blades on the outer ring, turbine nozzle for compressed air drive. Thrust collar made of EN AB 43000 spark protected. With guide vanes, profiled rotor blades with no edges in the flow surface, sturdy steel housing, foot mounting.
Including: Sealed motor, impact protection
Control
Direct, star-delta or stepless via compressed air
Drive
- Voltage ranges 400 – 1140 Volt
Three-phase AC squirrel-cage motors S1
in special design - Flame-proof enclosure protection
“d” or “de” according to DIN EN 60079-1 - Protection class >= IP 55; insulation class F, tropicalised,
permanently lubricated - Energy efficiency class >= IE2
- Terminal box position: top
- Operating pressure with compressed air drive: 4 – 6 bar
COating
Primer with top coat, alkyd resin Silac,
total layer thickness min. 180 μm
Standard colour: Pure white (RAL9010)
OPTIONs
Dust disks, hard-coated impeller, special coating, vibration dampers, VFD compatibility, cold environment, motor monitoring, vibration sensors, volume flow, pressure difference, adjustable blades, bifurcated fan
Technical execution according to
Machinery Directive: Directive 2006/42/EC
ErP ecodesign Directive 2009 / 125 / EC
Explosion protection according to guideline 2014 / 34 / EU
Test bench run according to DIN EN ISO 5801 / 2017
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