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It is made of PE or PPel (PP or PVC on request) as standard. Stainless steel screws are used for joints. The mounting base is made by casting PE, PEel and PPel. The pipe mounting bracket is made of steel sheet with primer coating.
Running wheel
is radial, made by casting PP (PPel or PVC on request).
Motor
4 or 6 pole single or three phase asynchronous motor, insulation class F, grease-filled ball bearings for life. Motor is located out of the air stream. Protection class IP55. Multi-speed design, explosion-proof or outdoor versions on request.
Clamping machine
is located on the motor.
Speed control
is performed by changing the voltage or frequency converters.
Mounting
is carried out on a base or on a bracket for horizontal mounting.
Noise
The sound pressure level at a distance of 1,5 m in the free acoustic field shall be read on the Lp scale of the power diagram from the intersection of the speed curve and the line of maximum efficiency. The sound power in the different octave bands for different speeds is given in the table below the diagram. The values are measured with a tolerance of ±3 dB.
Accessories
- VFVN frequency converter for three-phase motors
- VFTM, VFKB frequency converters
- bracket for horizontal mounting
- ON/OFF switch
- flexible coupling including inlet/outlet clamps
- base plate
Instructions
The design of the fans makes them suitable for long ducts in various process and air handling applications, in the chemical industry, petrochemicals and laboratories. They are not suitable for the extraction of wood dust and grit, or other flammable or explosive mixtures. Fans should only be started after connection to the pipe route to avoid overloading the motor.
Caution
Casing and wheel material can be selected within the specified range to suit the needs of the particular project and should be specified in the fan specification.
Adherence to these instructions should not pose any safety, health or environmental risks in accordance with EC directives (CE marked). The same applies to other products used in the device or during installation. Consider the following warnings:
• Observe the safety instructions to prevent damage to the device or personal injury.
• The technical information in this manual must not be changed.
• It is forbidden to interfere with the motor of the device.
• In order for the device to comply with EC directives, the device must be connected to the mains in accordance with the applicable regulations.
• The device must be installed in such a way that under normal operating conditions it cannot come into contact with any moving part and / or live part.
• The device complies with the applicable regulations for the operation of electrical equipment.
• Always disconnect the device from the power supply before carrying out any work on it.
• Appropriate tools must be used when handling or maintaining the device.
• The device must only be used for the purposes for which it is intended.
• This appliance is not intended for use by children under 8 years of age and persons with reduced physical, sensory or mental capabilities, or lack of experience and knowledge, unless they have been given supervision or instruction concerning use of the appliance by a responsible person. The user must ensure that children do not play with the device. Cleaning and maintenance of the appliance must not be carried out by children without supervision.
