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PRIOCircular Duct Fans
Quiet and compact mixed-flow fan
Available with AC and EC motors for 50 and 60Hz
Easy to install
Sound and energy optimized impellers
Flexibility
The prio fans are intended to use for supply or extract air, designed to be installed in any position. This ensures that the fans can be used in a variety of commercial and domestic applications.
Reliability
The unit’s airtight casing and corrosion resistance allows to use indoors and in damp areas. The combination of a reliable casing and motor construction ensures to minimize the need for maintenance of the fans and allows long continuous operation.
Performance
The sound optimized impellers together with high efficient external rotor motors are designed to ensure high-level performance to minimize power consumption and maximize efficiency.
Accessories
Prio fan can be selected together with variety types of accessories as fast clamps, heaters, filters, dampers, etc.
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Systemair Accessories – the perfect match!
Save time in design and installation while ensuring the most optimal ventilation solutions for your project.
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Construction
Casing made out of special composite material or sheet metal, is fully airtight class C according to EN12237.
The Fans are equipped with an external terminal box with protection class IP44.
Impeller
Prio fans have aerodynamically optimized impellers and guide vanes. These are from lightweight, hard-wearing fiberglass reinforced polyamide, dynamically balanced and paired with corresponding external rotor motors.
Motor
Depending on the type, prio fans are equipped with AC or EC external rotor motor. Motors are suitable for 50Hz and 60Hz.
Motor protection
Fans with AC motors have an integrated thermal protection with manual (electrical) reset.
Fans with EC motors have an integrated electronic thermal protection including locked-rotor protection and soft-start.
Control
EC motors with built-in potentiometer to adjust working point can be also controlled by external signal 0-10V.
AC motors can be controlled by 5-step or stepless speed regulator.
Installation
Prio fans can be installed in any position indoor and in damp areas. Spigot with 25 mm length is perfectly designed to connect circular duct by fast clamps preventing vibration to the duct.