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Inline mixed flow fan VENTS TT-MD EC series

  • Description
  • Modifications
  • Capacity diagram
  • Downloads
  • Legend
  • New series of the duct fans VENTS TT-MD EC enclosed in a special sound-insulated casing that ensures lownoise operation of the fans at high aerodynamic characteristics.
  • The fans are compatible with Ø 355, 400, 450, 500 air ducts. 
  • VENTS TT-MD EC combine wide capabilities and high performance features of both axial and centrifugal fans, thus providing powerful air stream and high pressure. 
  • The fans are used as a component part of air handling systems for various commercial and industrial premises with high requirements to noise level, i.e. in libraries, conference halls, educational institutions, kindergartens, etc.
  • The fan casing is made of polymer-coated steel.
  • The conic impeller with special blade profiling increase air flow speed and provide higher pressure and air capacity as compared to standard axial fans. 
  • The diffuser, the specially profiled impeller and the directing vanes at outlet from the fan casing distribute air flow in such a way as to attain the best combination of high performance and high pressure at low noise level.
  • The fan casing is equipped with an airtight terminal box for connection to power mains.
  • High-efficient electronically commutated direct current motor. Such motors are the most stateof- the-art energy saving solution.
  • EC motors are featured with high performance and total speed controllable range.
  • High efficiency reaching 90% is the premium advantage of the electronically-commutated motors.
  • The motors are equipped with ball bearings designed for at least 40 000 operating hours.
  • For precise features, safe operation and low noise, each impeller is dynamically balanced during assembly.
  • Motor ingress protection rating IP 44.
  • The fan is controlled with an external 0-10 V control signal. The fan capacity is regulated depending on temperature and pressure level, smoke content, etc.
  • The rotation speed of the EC motor changes proportionally to fluctuations of the control parameter and the fan delivers a required air volume to the ventilation system.
  • Maximum fan speed does not depend on the current frequency. The fan is compatible both with 50 or 60 Hz power mains.
  • The fans may be integrated into a unified data processing control system. The specially designed software provides precise control of all the fans integrated into the system. The computer displays all the system parameters. Each fan in the system may be individually adjusted.
  • The fan may be mounted at any place and at any angle within the ductwork system.
  • Several fans may be installed in one system in parallel to attain higher air capacity or in series to increase operating pressure in the system. 
  • The fan casing is equipped with fixing brackets for fastening to the floor, wall.
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
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  • Technical documentation
"VENTS TT-MD EC" product description 02-2016 (pdf 989.99Kb)
Download high quality image "VENTS TT-MD EC (ErP 2015, 2016, 2018)" (psd 3.89Mb)
Download image "VENTS TT-MD EC (ErP 2015, 2016, 2018)" for your website (png 295.08Kb)
"TT-M, TT-MD, TT-MD EC, TT Silent-M, TT Silent-MD, TT Silent-MD EC" user's manual 06-2018 (V135EN-03) (pdf 3.41Mb)

ErP data  
Overall efficiency η,[%]
Measurement category MC
Efficiency category EC
Efficiency grade N
Variable speed drive VSD
Power [kW]
Current [A]
Air flow [m3/h]
Static pressure [Pa]
Speed [n/min-1]
Specific ratio SR
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