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VENTS VKMz 125 Q


Inline centrifugal fan. Maximum capacity - 240 m3/h.

  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Additional technical data
  • 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 Q
50 Hz
VKMz 125 Q
60 Hz
Measurement unit
Low-powered motor yes yes -
Voltage 1~ 220-240 1~ 220-240 V
Frequency 50 60 Hz
Sound pressure level at 3 m distance 35 36 dBА
Power consumption 60 61 W
Current 0.37 0.37 A
Maximum air capacity 230 240 m³/h
RPM 2605 2720 min-1
Max. transported air temperature -25...+55 -25 +50 °С
Protection rating IP X4 IP X4 -
Design centrifugal centrifugal -
Motor protection rating IP44 -
Weight 2.7 2.7 kg
Duct diameter 125 125 mm
Casing material galvanized steel galvanized steel -
Outdoor mounting yes yes -
SEC Class C C -
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 05-2023 (pdf 1.5Mb)
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 07-2023 (V05-1EN-12) (pdf 930.18Kb)
"VENTS VKMz" user's manual 08-2018 (V05-1EN-08) (pdf 1.15Mb)
Dimensions
Characteristics
VENTS VKMz 125 Q
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 technical data
Additional technical data
Sound-power level
  Gen. Octave-frequency band [Hz]
  Hz 63 125 250 500 1000 2000 4000 8000
LwA to inlet dBA 59 31 52 54 53 49 46 35 30
LwA to outlet dBA 61 35 53 56 60 51 49 35 34
LwA to environment dBA 64 46 60 59 43 33 15 30 28
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