Roof radial fans with flow outlet to the sides KROS®- Roof fans providing air outlet to the sides are own development of "VEZA".
The fans are manufactured from dimension 035 to 125, which provides a wide range of modes in terms of capacity from 800 to 100000 m3/h and static pressure up to 1200 Pa, in constant mode and up to 2000 Pa not more than 120 min.
The possibility to work with very high pressures (up to 2000 Pa), is achieved due to increased speeds of rotation of impellers, which requires additional strength and balancing. "VEZA" offers to use with roof ventilators Variable Frequency Drive (VFD) - only in DUV400/600 mode, fans DUV400/600 with VFD are not used.
This version of fans has passed special tests in the certification centre on a real fire cooker, in accordance with GOST R 53302-2009 and SP 7.13330-2013.
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