Login

Privacy Policy (GDPR)
Authorization
Not registered yet? Take advantages of registration:
Products saving in a binding to the projects
Product consultation from our experts - Online
Registration
Signup
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

VENTS VKMz 250


Inline centrifugal fan. Maximum capacity -1070 m3/h.

  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Additional diagrams
  • Legend
Description
Description
APPLICATIONS
  • Supply and exhaust ventilation systems for various premises suitable for external surface mounting. 
  • For premises with high requirements to noise level we offer units in low-noise modification (VKMz…Q).
DESIGN
  • The fan casing is made of galvanized steel. 
  • For easy connection and operation the fan can be equipped with the power cord with a plug (VKMz…R).
MOTOR
  • The impeller with backward blades is powered by the single-phase motor with external rotor and overheating protection with automatic restart.
  • The motor is equipped with ball bearings for long service life designed for at least 40 000 hours. 
  • For precise features, safe operation and low noise, each impeller is dynamically balanced while assembly.
  • Motor protection rating IP 44.
SPEED CONTROL
  • Smooth or step speed control with a thyristor or autotransformer speed controller. 
  • Several fans may be connected to one speed controller provided that the total power and operating current do not exceed the rated speed controller parameters.
МОНТАЖ
  • Mounting at any angle to wall or ceiling is performed with fastening brackets supplied with the unit.
  • The fan is powered by means of the external terminal box.
  • Electric connection and mounting shall be performed in compliance with the manual and wiring diagram on the terminal box.
Characteristics
Characteristics
Parameter VKMz 250
50 Hz
VKMz 250
60 Hz
Measurement unit
Duct diameter 250 250 mm
Low-powered motor no no -
Design centrifugal centrifugal -
Voltage 1~ 220-240 1~ 220-240 V
Frequency 50 60 Hz
Sound pressure level at 3 m distance 52 52 dBА
Power consumption 152 202 W
Current 0.66 0.88 A
Maximum air capacity 1070 1100 m³/h
Max. transported air temperature -25 +50 -25 +50 °С
RPM 2765 2560 min-1
Protection rating IP X4 IP X4 -
Weight 5.25 5.25 kg
Casing material galvanized steel galvanized steel -
SEC Class B B -
Outdoor mounting yes yes -
Duct for round air ducts for round air ducts -
Type -
Mounting outdoor mounting, wall mounting, Inline outdoor mounting, wall mounting, Inline -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
Files archieve
Downloads
Name
Brochure "VENTS VKMz" (pdf 236.12Kb)
Download high quality image "VENTS VKMz (ErP 2016, 2018)" (psd 4.35Mb)
Certificate CB Test Report "VKM,VKMz" (pdf 9.88Mb)
Certificate GS "VKM,VKMz" (pdf 405.03Kb)
Declaration of сonformity "VK,VKM,VKMz" (pdf 1.64Mb)
Certificate LVD "VKM,VKMz" (pdf 107.81Kb)
Download image "VENTS VKMz (ErP 2016, 2018)" for your website (png 468.75Kb)
User's manual "VENTS VKMz" (pdf 1.15Mb)
Dimensions
Characteristics
VENTS  VKMz 250
Parameter Value Measurement unit
∅D 249 mm
B1 380 mm
ØD1 332 mm
B 340 mm
L 213 mm
L1 25 mm
L2 29 mm
L3 40 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 75 60 66 67 67 67 63 56 45
LwA to outlet dBA 76 60 73 71 69 65 66 59 46
LwA to environment dBA 65 58 62 60 47 43 40 47 36

 

Legend
Legend
Fan series   Flange diameter,mm   Options
VENTS VKMz

  100; 125; 150; 160; 200; 250; 315   Q – low-powered motor;
R – power cord with IEC C14 electric plug.
Share your opinion
I found this page useful to select the required products easy and quick
No difficulties with the site use. Everything is logical ad clear
The site produced a nice impression

Questionnaire
Basic parameter for domestic fan selection