Privacy Policy (GDPR)
Not registered yet? Take advantages of registration:
Products saving in a binding to the projects
Product consultation from our experts - Online
By using this form, you confirm that you have read the site terms of use Terms of use and completely accept the terms of use


Low pressure axial fan in the steel casing for wall mounting. Air flow: 1070 m³/h for 50 Hz; 1050 m³/h for 60 Hz.

  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Additional technical data
  • Reducer RM
  • Designation key
  • BIM
  • Supply and exhaust ventilation systems for commercial, office and other public or industrial premises where high air flow at relatively low system resistance is required.

  • VKOM fan casings are made of steel with polymeric coating. 

  • VKOMz fan casing is made of galvanized steel and the impeller is made of aluminium.

  • The terminal box is fitted with a cord for remote connection.
  • Single-phase asynchronous motor is equipped with thermal overheating protection with automatic restart.

  • The motor is equipped with slide bearings.
  • Motor rating protection IP X4.
  • Both smooth and step speed control is performed with 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.
  • VKOM or VKOMz series fan is installed into the duct by means of clamps or directly inside the wall. 

  • RM reducers made of polymer-coated steel and RM...Zn made of galvanized steel are designed for connection of VKOM fans with 150, 200 and 250 mm round air ducts.

  • The delivery set of VKOMz includes fixation brackets.

  • The fan is powered through the remote terminal box.


  • Power supply and installation shall be performed in compliance with the manual and wiring diagram on the terminal box.

Fixation bracket for surface mounting of VKOM (VKOMz) series fan
Parameter VKOM 250
50 Hz
VKOM 250
60 Hz
Measurement unit
Phase 1 1 ˜
Voltage 230 230 V
Frequency 50 60 Hz
Sound pressure level at 3 m distance 37 37 dBА
Power consumption 68 76 W
Maximum air capacity 1070 1050 m³/h
RPM 1300 1450 min-1
Protection rating IP X4 IP X4 -
Transported air temperature -30 … +40 -30 … +40 °С
Weight 3.7 3.7 kg
Current 0.48 0.51 A
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
Files archieve
Select document type
  • Advertising and printing products
  • Certificates
  • Technical documentation
Certificate GS "VKOM" (pdf 167.52Kb)
"VENTS OV,OVK,OV1,OV1 R,OVK1,VKF,VKOM,OVP,VKOM(z),VKOM1(z)" user's manual 02-2022 (V03EN-13) (pdf 5Mb)
"VENTS OV1,OVK1,VKOM" product description 03-2021 (pdf 1.36Mb)
Download high quality image "VENTS VKOM" (psd 2.08Mb)
Certificate LVD "VKOM" (pdf 145.86Kb)
Download image "VENTS VKOM" for your website (png 567.92Kb)
Parameter Value Measurement unit
∅D 262 mm
B 283 mm
L 270 mm
L1 55 mm
L3 30 mm
Additional technical data
Additional technical data
Sound-power level, A-weighted Gen. Octave-frequency band [Hz] LpA, 3 m dBA LpA, 1 m dBA
dBA 63 125 250 500 1000 2000 4000 8000
LwA to environment dBA 58 24 38 42 48 53 53 48 42 37 47
Reducer RM
Reducer RM
Type Dimensions [mm] Mass [kg]
∅D ∅D1 H H1
RM 148/158
RMz 148/158
148 158 140 55 0.3
RM 198/204
RMz 198/204
198 204 140 55 0.4
RM 248/258
RMz 248/258
248 258 150 65 0.42
Designation key
Designation key
Series and modification Modifications Dimension-type
VENTS VKOM: mounting into a vent duct Z: galvanized steel 150; 200; 250; 315

Share your opinion

How often do you use equipment selection program?