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
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.