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VENTS VKV 2E 280


Centrifugal roof fan with vertical air exhaust and with maximum air flow of up to 1 760 m³/h.

  • Description
  • Characteristics
  • Capacity diagram
  • Downloads
  • Dimensions
  • Additional characteristics
  • Designation key
Description
Description
APPLICATION
  • Exhaust ventilation system for various premises suitable for roof mounting.
  • Compatible with Ø 200-630 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 (VENTS VKV models), aluminum (VENTS VKVA), galvanized steel (VENTS VKVz).
MOTOR
  • 2-, 4- or 6-pole single- or three-phase asynchronous motors with an external rotor and impeller with backward curved blades.
  • 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.
  • Motors protection rating IP44, IP54.
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 damper, GVK flexible connector, FKV counter flange.
  • For mounting of the fans to flat surface use the mounting frame RKV.

Characteristics
Characteristics
Parameter VKV 2E 280
Measurement unit
Frequency 50 Hz
Design centrifugal -
Phase 1 ˜
Power 238 W
Voltage 230 V
A 1.04 A
Air capacity 1760 m³/h
RPM 2330 min-1
EC motor no -
Noise level at 3 m 57 dBА
Motor protection rating IP44 -
Transported air temperature -25 ... +50 °С
IP Code IP X4 -
Number of poles 2 -
Mass 13 kg
Outdoor mounting yes -
Sound-insulated casing no -
Type exhaust -
Mounting for roof -
Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
Files archieve
Downloads
Name
Brochure "VENTS VKV, VKH" (pdf 2.04Mb)
Download high quality image "VENTS VKV (ErP 2018)" (psd 2.26Mb)
Declaration of сonformity "VKV, VKH" (pdf 1.68Mb)
Brochure "Roof fans accessories" (pdf 129.67Kb)
Download image "VENTS VKV (ErP 2018)" for your website (png 417.29Kb)
User's manual "VENTS VKV, VKH" (pdf 3.73Mb)
Dimensions
Characteristics
VENTS VKV 2E 280
Parameter Value Measurement unit
∅D 291 mm
A 547 mm
B 425 mm
C 276 mm
Additional characteristics
Additional characteristics
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 inlet dBA 76 47 48 55 68 70 70 69 58 55 65
LwA to environment dBA 78 39 47 61 72 73 73 65 48 57 67
Designation key
Designation key
Series and modification Casing material Motor modification Turbine standard size
Number of poles Phase
VENTS VKV: vertical air exhaust _: steel with polymeric coating
А: aluminum
z: galvanized steel
2
4
6
Е: single-phase
D: three-phase
190; 220; 225; 250; 280; 310; 355; 400; 450; 500; 560; 630; 710
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