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VENTS VKV 2E 250

  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Additional diagrams
  • Legend
Description
Description
APPLICATIONS
  • Exhaust ventilation system for various premises suitable for roof mounting.

  • Compatible with Ø 200 to 500 mm air ducts.

  • Suitable for any roof types as well as vertical ventilation shafts.

DESIGN
  • The fan casing is made of steel with polymeric coating (VKV model), aluminum (VKVA), galvanized steel (VKVz).

MOTOR
  • The centrifugal impeller with backward-curved blades is mounted directly on the two-, four - or six-pole single- or three-phase asynchronous motor shaft.

  • The motor is equipped with thermal overheating protection with automatic restart as well as ball bearings for long service life.

  • For precise features, safe operation and low noise, each turbine is dynamically balanced while assembly.

  • Motor protection rating IP 44.

SPEED CONTROL
  • Both smooth or step speed control is performed by means of the thyristor or autotransformer controller. 

  • Several fans can be connected to one controller in case the total power and operating current do not exceed the rated controller values.
MOUNTING
  • The fan is mounted on the roof directly above the ventilating duct or shaft and is firmly fixed to the flat surface by means of a connecting plate.

  • Electrical connection and installation shall beperformed in compliance with the manual and circuit diagram on the terminal box. 

  • For connection of the fans to round air ducts use the following accessories: KKV damperGVK flexible connectorFKV counter flange.

  • For mounting of the fans to flat surface use the mounting frame RKV.

Characteristics
Characteristics
Parameter VKV 2E 250
Measurement unit
Engine Type 220В / 50Гц -
Phase 1 ˜
Voltage 220-240 V
Frequency 50/60 Hz
Current A
Pressure 0 Pa
Sound pressure level at 3 m distance 70 dBА
Power consumption 265 W
Maximum air capacity 1480 m³/h
Maximum transported air temperature 50 °С
Protection rating IP X4 -
Weight 12 kg
Spigot size 250 mm
Number of poles 2 -
SEC Class - -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
Files archieve
Downloads
Name
User's manual "VKV, VKH, VKV EC, VKH EC, VKMK, VKMKp, VOK, VOK1" (pdf 3.37Mb)
Brochure "VENTS VKV, VKH" (pdf 240.06Kb)
Download high quality image "VENTS VKV (ErP 2015, 2016, 2018)" (psd 3.74Mb)
Declaration of сonformity "VKV, VKH" (pdf 1.68Mb)
Brochure "Roof fans accessories" (pdf 129.67Kb)
Download image "VENTS VKV (ErP 2015, 2016, 2018)" for your website (png 257.96Kb)
Dimensions
Characteristics
VENTS VKV 2E 250
Parameter Value Measurement unit
∅D 285 mm
H 275 mm
L 425 mm
L1 330 mm
L2 520 mm
Additional diagrams
Additional diagrams
Sound-power level   Octave-frequency band [Hz]
  Hz   General   63   125   250   500   1000   2000   4000   8000
LwA to inlet   dBA 69 40 62 65 66 66 64 57 49
LwA to environment dBA 71 44 59 65 68 66 62 60 53

Legend
Legend
Series and modification   Casing material   Number of poles   Phase   Turbine standard size
VENTS VKV - vertical air discharge   _ steel with polymeric coating
A –
aluminum
z –
galvanized steel
  2, 4, 6   E- single phase;
D - three phases
  220; 225; 250; 280; 310; 355; 400; 450; 500
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