New version of the catalogue Mass ventilation of garages!
In the catalogue we present suitable fan types and possible ventilation methods for specific garage buildings.
The design method using Computational Fluid Dynamics (CFD) simulation software is commented on.
The catalogue can be downloaded here.

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Swirl diffusers DFR-A

Whirlpool anemostats with adjustable blades

- made of galvanized sheet metal
- designed for ceiling mounting for air supply and exhaust (without slats)
- designed with circular panel (type R) or square panel (type S)
- accessories: plenum boxes PDC (type R) or PQZ / PQZ-EKO (type S)

Product variants
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Product name Datasheet Instruction manual Price excl. VAT Pieces
DFR-A 300x8 R swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 783,00 CZK Pieces
Product detail
DFR-A 400x16 R swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 116,00 CZK Pieces
Product detail
DFR-A 500x16 R swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 292,00 CZK Pieces
Product detail
DFR-A 500x24 R swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 568,00 CZK Pieces
Product detail
DFR-A 600x16 R swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 566,00 CZK Pieces
Product detail
DFR-A 600x24 R swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 597,00 CZK Pieces
Product detail
DFR-A 600x48 R swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 2 019,00 CZK Pieces
Product detail
DFR-A 625x16 R swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 717,00 CZK Pieces
Product detail
DFR-A 625x24 R swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 899,00 CZK Pieces
Product detail
DFR-A 625x54 R swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 2 319,00 CZK Pieces
Product detail
DFR-A 800x72 R swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 3 434,00 CZK Pieces
Product detail
DFR-A 825x72 R swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 3 497,00 CZK Pieces
Product detail
DFR-A 300x8 S swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 850,00 CZK Pieces
Product detail
DFR-A 400x16 S swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 052,00 CZK Pieces
Product detail
DFR-A 500x16 S swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 301,00 CZK Pieces
Product detail
DFR-A 500x24 S swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 493,00 CZK Pieces
Product detail
DFR-A 600x16 S swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 545,00 CZK Pieces
Product detail
DFR-A 600x24 S swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 556,00 CZK Pieces
Product detail
DFR-A 600x48 S swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 901,00 CZK Pieces
Product detail
DFR-A 625x16 S swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 536,00 CZK Pieces
Product detail
DFR-A 625x24 S swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 1 687,00 CZK Pieces
Product detail
DFR-A 625x54 S swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 2 141,00 CZK Pieces
Product detail
DFR-A 800x72 S swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 3 179,00 CZK Pieces
Product detail
DFR-A 825x72 S swirl diffuser Datasheet Instruction manual –⁠–⁠ Price excl. VAT 3 241,00 CZK Pieces
Product detail
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