K100-315 KD 250-500 For reliable, safe and easy installations – always insist on Systemair duct fans www.systemair.com Systemair circular duct fans

For reliable, safe and easy installations – always insist on Systemair duct fans Our duct fans have always been incred ibly reliable. There are still fans around that have operated for 25-30 years with out stopping for a moment. Absolutely airtight We have created a totally new production method and the result is an airtight casing. The fan meets leakage demands according to tightness class C in EN 12237. The low noise-level has been further reduced. The FK mounting clamp facilitates easy installation and removal, and prevents the transfer of vibration to the duct. Our fans meet the EU-standard...

Range 250 - 500 mm • Compact design • High capacity • Low noise Mixed flow fan The KD fan is quite simply a continuation of the K-fan and designed to handle larger air volumes. Because of the relationship between pressure and air flow of radial fans with backward-curved blades, this fan type is not suitable for circular duct fans above diameter 315 mm. KD is a mixed flow fan, i.e. the fan impeller is a combination between a radial and an axial impeller. It gives considerably more airflow than radial fans and is the best fan impeller type for 315-500 mm ducting. The possibilities for tailor made...

Systemair AB • SE-739 30 Skinnskatteberg, Sweden • Tel +46 222 440 00 • Fax +46 222 440 99 [email protected] • www.systemair.com Systemair • Inhouse studio • Oct 2007 • Art no E8025