Axial fans OSA® produced by "VEZA" is a new product developed since 2011.
Axial fans are the most compact and easy to install, as well as much more economical in terms of cost compared to radial and roof fans. The most promising series of fans with adjustable blade angle OSA 300 was offered earlier up to dimension 071 and did not cover all design tasks.
The high-pressure models OSA® 400/ 510/ 610 were offered for sizes above 063 and were characterised by significant cost and a small number of variants.
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