The DA-J range are roof mounted axial supply fans, designed to ventilate environments that require the removal and replacement of polluted or unsatisfactory air. As a horizontal discharge fan, the DA-J range is able to cater to lower pressures with the benefit of a smaller, lighter, and more cost-effective unit.
The DA-J range incorporates high-efficiency, corrosion resistant rotor-motor impellers in single or three phase. The impellers are formed from fibreglass reinforced polypropylene, while the body is constructed from a hail-proof polymer. It is therefore well-suited to environments such as building ventilation, and the supply and exhaust of air in industrial contexts.
Product specifications may change without notice. Consequently you should always check the design requirements match that the product selected and not rely solely on this guide page for product selection.
| Sigrist Design Product Code | Compatability Product Codes | Conversion Kit Code |
|---|---|---|
| DA-J-200-2E-S | DAJ 200-2E-S, MV202S | DA-J-200-MV |
| DA-J-200-2E-S-0 | MRA-200-E2, MV202S | DA-J-200-0-MV |
Some fan models may not require an adapter kit.
Roof mounted supply fans are integral to a number of environments, compensating for the removal of industrial fumes by supplying a suitable air flow to maintain comfortable air pressure. In comparison to centrifugal roof mounted fans, axial fans produce a larger amount of noise pollution, and are therefore better suited to industrial contexts such as factories rather than domestic environments such as bathrooms and small kitchens.
This range of roof mounted supply fans contains high efficiency impellers, which are powered by an external rotor motor with an IP54 rating. This means the motor is capable of withstanding dust and splash water, and can therefore be used in industrial settings without worry of ingress.
The DA-J offers two slightly varying sizes, which can be chosen based on what is necessitated by the situation. The details of these sizes can be found in the relevant datasheets.
These roof mounted axial exhaust fans are enclosed in a durable, UV stabilised, hail proof polymer case. This ensures protection from unwanted ingress of dust and water. UV stabilisation and hail proofing further ensure resistance to weather, which is of particular importance in the context of roof mounted fans which are exposed to external environments.
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