Serbia · Србија
Serbia · Србија
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KV Circular Duct Fans
High-efficient wall-mounted duct fan
Available with AC and EC motors
Mounted on wall or ceiling
Reliable and airtight
Noise and energy optimized impeller
Flexibility
The KV fans are intended to use for supply or extract air, designed to be installed in wall or ceiling and are highly flexible according to your demands. 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 permits demanding indoor use. The combination of reliable casing and motor construction ensures, to minimize the need for maintenance of the fans and allows long continuous operation.
Performance
Noise optimized radial impeller together with high efficient external rotor motor are designed to ensure high-level performance to minimize power consumption and maximize efficiency.
Accessories
KV fans 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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Delivering precision ventilation in a luxury hotel’s pool environment
Systemair supplied customised solutions to secure the indoor climate of a historical building
Construction
Casing made of galvanised sheet steel, corrosion class C3 is fully air tight class C according to EN1751. The fans are equipped with an external terminal box with protection class IP55.
Impeller
KV fans use backward curved radial impellers. These are from lightweight, hard-wearing fiberglass reinforced polyamide, dynamically balanced and paired with corresponding external rotor motors.
Motor
Depending on type, KV fans are equipped with AC or high efficient EC external rotor motors. All motors are suitable for 50Hz and 60Hz.
Motor protection
Fans with AC motors have integrated thermal protection with manual (electrical) reset. Size 100 and 125 has an impedance motor protection.
Fans with EC motors have integrated electronic thermal protection including locked-rotor protection and soft-start.
Control
EC motor with built-in potentiometer to adjust working point can be also controlled by external signal 0-10V.
AC motor can be controlled by 5-step or stepless speed regulator.
Installation
KV fans can be fixed in the necessary position on site (wall, ceiling) by using 4 screws according to the manual. Any position of the terminal box is possible. All models share a 25 mm spigot connection which is perfectly designed to connect circular duct by fast clamps preventing vibration to the duct.
Installation can be combined with filter boxes, sound attenuators and other mechanical accessories from recommended list.