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428 HIGH VELOCITY CENTRIFUGAL FAN0 pages
428 HIGH VELOCITY
CENTRIFUGAL FAN
Model No.
428D
428F
428G
Motor (kW)
1.5
1.5
2.2
3
3
3
Maximum Running Current (A)
3.5
3.5
4.7
Weight (kg)
32
32
36
Noise Level dB(A) *
78
82
82
Phase
Current readings are based upon voltages of 400V 3 Phase and 230V 1 Phase.
* Noise levels have been measured at a distance of 1m from the blower, which was fitted with an inlet silencer and a
ducted outlet. In some modes of use , these fans may generate high noise levels. It will be necessary to carry out a
noise survey after installation.
VOLUME (cu.m/hr)
200
300
400
500
600
1200
40
1000
428/G
428/F
800
30
428/D
20
600
400
10
200
0
100
200
300
TOTAL PRESSURE (mm w.g.)
TOTAL PRESSURE (in. w.g.)
50
100
400
VOLUME (cu.ft/min)
PERFORMANCE CURVE
Thick line on performance curve shows limits of continuous rating.
Secomak Ltd. 330 Centennial Park, Elstree, Hertfordshire, WD6 3TJ, UK
Phone: +44 (0) 208 7321 300 Fax: +44 (0) 208 7321 301
E-mail: sales@secomak.com
Web: www.secomak.com
