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VENTS VKMz 125


Inline centrifugal fan. Maximum capacity - 330 m3/h.

  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Additional diagrams
  • Designation key
Description
Description
APPLICATIONS
  • Supply and exhaust ventilation systems for commercial, office and other public or industrial premises.
  • 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. 
 
MOTOR
  • The impeller with backward curved blades is powered by the single phase motor with external rotor and overheating protection with automatic restart.
  • Some standard sizes are available with high-powered motors (VKMS).
  • The motor is equipped with ball bearings for long service life designed for at least 40000 hours.
  • For precise features, safe operation and low noise, each turbine is dynamically balanced while assembly.
  • Motor protection rating is IP44.
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.
MOUNTING
  • 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 125
50 Hz
VKMz 125
60 Hz
Measurement unit
Low-powered motor no no -
Voltage 1~ 220-240 1~ 220-240 V
Frequency 50 60 Hz
Sound pressure level at 3 m distance 46 46 dBА
Power consumption 78 79 W
Current 0.34 0.34 A
Maximum air capacity 330 340 m³/h
Max. transported air temperature -25...+55 -25 +50 °С
RPM 2820 2880 min-1
Protection rating IP X4 IP X4 -
Duct diameter 125 125 mm
Weight 3.16 3.16 kg
Design centrifugal centrifugal -
Casing material galvanized steel galvanized steel -
SEC Class C C -
Outdoor mounting yes yes -
Duct for round air ducts for round air ducts -
Mounting outdoor mounting, wall mounting, Inline outdoor mounting, wall mounting, Inline -
* To meet the requirements of ErP 2018, a speed controller and local demand control typology must be applied (connect a sensor). To meet the requirements of ErP 2018, a speed controller and local demand control typology must be applied (connect a sensor). -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
Files archieve
Downloads
Select document type
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  • Certificates
  • Technical documentation
Name
"VENTS VKMz" product description 05-2022 (pdf 1.45Mb)
Download high quality image "VENTS VKMz (ErP 2018)" (psd 4.34Mb)
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 2018)" for your website (png 458.01Kb)
"VENTS VKMz" user's manual 01-2022 (V05-1EN-12) (pdf 1020.89Kb)
"VENTS VKMz" user's manual 08-2018 (V05-1EN-08) (pdf 1.15Mb)
Dimensions
Characteristics
VENTS  VKMz 125
Parameter Value Measurement unit
∅D 123 mm
B1 293 mm
ØD1 237 mm
B 253 mm
L 202 mm
L1 23 mm
L2 22 mm
L3 30 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 56 63 68 69 64 61 52 41
LwA to outlet dBA 75 58 71 74 72 65 65 56 47
LwA to environment dBA 64 52 64 59 48 36 23 30 27

 

Designation key
Designation key
Series Air duct diameter Options
VENTS VKMz S: high-powered motor

100; 125; 150; 160; 200; 250; 315

Q: low-powered motor
R1: power cord with a mains plug
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Questionnaire
Basic parameter for domestic fan selection