Duct Fans rectangular range KVB

GENERAL TECHNICAL DATA

The duct fans rectangular are made of powder painted sheet steel (RAL 9016) and are completed with radial impeller fixed on electric motor. The impeller and the motor are statically and dynamically balanced and this ensure a long exploitation term and low level of vibrations.

The normal production is designed for 220/380 V ± 5% and frequency 50 Hz, class “B”, level of protection IP44 or IP54 - according DIN IEC 34, part 5, flange-mounted construction - according DIN IEC 34, part 7.

Optional: flexible connectors, attenuators, air filters, heaters etc.

Kram reserves the right to make any dimensional design changes in accordance with their improvement program

DIMENSIONS

Type	L mm	A mm	A₁ mm	A₂ mm	B mm	B₁ mm	B₂ mm	D mm
KVB-200-400/200	436	400	419	434	200	219	234	9
KVB-240-500/350	500	500	519	534	348	369	384	9
KVB-250-500/350	500	500	519	534	348	369	384	9
KVB-280-500/350	504	500	519	534	348	369	384	9
KVB-315-600/400	622	600	619	634	396	419	434	9
KVB-355-700/400	645	700	719	734	396	419	434	9

CHARACTERISTICS:

KVB-200-400/200 A.1	KVB-250-400/200 A.3
KVB-240-500/350 A.1	KVB-280-500/350 A.3
KVB-280-500/350 A.1	KVB-315-600/400 A.3
KVB-315-600/400 A.1	KVB-355-600/400 A.3
KVB-355-700/400 A.1

TYPE KEY

The various types and type-dimensions of duct-fans bear the following marking: Class, Nominal diameter off impeller, Fitting dimensions, Art and version of impeller, Current type (Tree phase or Single phase), Number of poles and Version.

For example: