Technical leaflet
2134040(00)
Date
2015-03-31
Fan NCF 50/25, 50 Hz, IE3
Centrifugal fan for industrial process ventilation
Nederman NCF 50/25 is a centrifugal fan designed for use
in all types of industrial process and ventilation systems,
mounted indoor as well as outdoor. The fan is equipped with
vibration absorbers as standard.
Accessories
• In and outlet adapters
• Flexible in and outlet adapters
• Guard nets for in and outlet adapters
• Fan Starters
• Fan Inverters
8(
x8
)
See separate information
This document must not be copied
without our written permission, and the
contents thereof must not be imparted
to a third party nor be used for any
unauthorized purpose. Contravention
will be prosecuted.
621
581
70
337
338
373
490
825
272
326
224
112
12
(x1
0)
121 121
70.5
253
219
112
Ambient temperature:
-30°C to +40°C
Impeller:
Backward curved blades
General material:
Sheet metal steel
Type of fan joining:
On the outside the fan scroll is welded to the
standing fan sides. The inside is intermittently welded.
Color:
Grey, RAL 7045
Surface treatment:
Anodic electro coating
Pre coat:
Epoxy, 20µm
Top coat:
2 component acrylic, 30µm
Max dust concentration:
2000 mg/m3
Max particle size:
10 mm
Volume:
27249252,9 mm^3
Applied directives:
2006/42/CE
Machine Directive
Approx. weight: 105329,0 g
2006/95/EC
Material:Low Voltage Directive (LVD)
General tolerance:
2004/108/EC
Electromagnetic compatibility (EMC)
Surface treatment:
2009/125/EC
Remarks: Ecodesign Directive
WARNING!
70
O
1800 - 5900 m3/h
4550 - 1690 Pa
5.5 kW
2925 rpm
3~, 230Δ/400Y V, alt 3~, 400Δ/690Y V
50 Hz
17,9/10,3 A, alt 10,3/6,0 A
IP 55
IE3
112 kg
Maximum +60°C
Denna handling får ej utan vårt medgivande kopieras. Den får ej heller delgivas annan eller eljest obehörigen användas. Överträdelse härav beivras
med stöd av gällande lag.
Capacity:
Total pressure:
Motor power:
Speed:
Voltage:
Frequency:
Current at rated voltage:
Degree of protection:
Motor energy class:
Weight:
Working temperature: 148.5
Technical specification
O
Part no 230Δ/400Y V: 14550528
400Δ/690Y V: 14551228
51
Duct inlet diameter 250 mm
Duct outlet diameter 250 mm
Risk of fire or explosion! The fan must not be used in an environment with danger of explosion or for transport of inflammable or explosive gases.
Outlet directions
Fan diagram
RD 0° Standard
Outlet directions possible to position before installation
RD 30°
RD 150°
Shaft Power
RD 60°
Efficiency
RD 90°
RD 120°
RD 270°
RD 300°
RD 330°
Sound pressure level
According to ISO 11203
Sound power level
Measured according to ISO 3741
The graphs are based on measurements with the
inlet and exhaust ducts connected to the fan.
Air density = 1.2 kg/m3
www.nederman.com