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Blauberg Axis-FP 560-2D/3-8/30/AL


Axial smoke extraction fan.
img_code EAN
  • Description
  • Characteristics
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Description
Description

USE

The fans are used for extraction of smoke in case of fire and removal of hot air outside. The fans are also used for general ventilation systems.The fans are rated for permanent operation at ambient air temperatures from -60 °C up to +50 °C (depends on climatic category, see the Designation key). The fans are able to operate 2 hours at the temperatures +200 °C, +300 °C and +400 °C.

DESIGN

The fan consists of the casing, impeller and motor. The metal casing with rolled flanges helps achieve outstanding rigidity and minimum clearances between the casing and the blades. There is an inspection hatch in the casing for easy maintenance. All the casing components are powder coated for improved protection against the environmental effects. The weight of the fans may differ from the one stated in the catalogue and depends on the components used (motor, terminal box, etc.).

MOTOR

The fans are equipped with three-phase (400 V/50 Hz) motors. Depending on the model, the fans have single- or double-speed modifications.The single-speed models are equipped with 2-, 4- or 6-pole motors.The double-speed models are equipped with 2/4- or 4/8-pole motors.

IMPELLER

Depending on the size and the required air capacity the fans are equipped with impellers with 6 or 8 blades angled from 20° to 50° with from 2.5 up to 5° stepping to ensure precise matching of fans with the operating point. The specially designed impeller blades ensure high efficiency of the fan while keeping noise well under control. The impellers are dynamically balanced. Low weight and low moment of the impeller inertia help reduce the fan start-up time. The fan blades are made of cast aluminium.

MOUNTING

The fans can be mounted on any flat surface or directly into a ventilation duct. The units are suitable for both horizontal and vertical configurations. Installation in the air duct requires flanges to attach the fan to the ductwork. To attach the fan to the floor, a wall or the ceiling use the O-AF carriers (not included as standard, should be purchased separately). The fans are suitable for installation on rooftops.
COMPLETE SOLUTIONS FOR AXIAL FANS  
INSTALLATION EXAMPLE OF AXIAL FANS ON ROOFTOP  
FAN INSTALLATION INTO AN AIR DUCT SYSTEM INSTALLATION NEAR BENDS
To ensure a uniform air flow the fan should be preceded by a straight duct section with a cross-section area equal to half of that of the fan. The length of the duct section should be 3 ÷ 4 D (D is the inner diameter of the fan). The length of the straight duct section downstream of the fan should be 1.5 ÷ 2 D.Reduction of the recommended duct length values results in a drop of the fan pressure and performance. To reduce noise and vibration use the EVAF-AF flexible joints. To install the fan directly downstream of a bend (elbow) use a curved section with a large bending radius or an array of internal guide vanes.
CHANGING DIAMETER INSTALLATION
When changing from a smaller diameter to a larger one use a connector diffuser with the maximum opening angle of 12°.
FAN INSTALLATION WITH NO UPSTREAM DUCTING
Axial fans without upstream ducting must be equipped with the VK-AF inlet cone to improve the air flow parameters. OBSTRUCTED SPACE INSTALLATION
To ensure normal operation of the fan in an obstructed space make sure to provide for a sufficient distance between the inlet and outlet flanges and the floor, walls, bulky equipment and obstacles.
FAN INSTALLATION WITH NO DOWNSTREAM DUCTING  
If the axial fan is a terminal device of the ventilation system (i.e. there is no downstream ducting) the unit must be equipped with a diffuser to reduce the air flow velocity and the fan dynamic pressure. Reduction of the air discharge velocity results in a significant reduction of shock losses which are proportional to the square of velocity decrement.The fan should not be equipped with a downstream contractor.
Characteristics
Characteristics
Parameter Value Measurement unit
Voltage 400 V
Air duct for round air ducts -
Outdoor mounting yes -
Mounting Inline , for roof , ceiling mounting , wall mounting , floor mounting -
EC motor no -
Sound-insulated casing no -
Casing material polymer coated steel -
Design axial , round flange -
Length 400 mm
Weight 82.4 kg
Blade setting angle 30 °
Number of blades 8 -
RPM 2880 min-1
Installed power capacity Ny 3 kW
Frequency 50 Hz
Phase 3 ˜
Number of poles 2 -
Size 560 -
Documents archieve
Documents archieve
Name
Catalogue "Medium pressure axial fans. Axial smoke extraction fans" (pdf 13.29Mb)
Axis-FP - data sheet (pdf 3.47Mb)
Axis-FP - image (png 451.86Kb)
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