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Centrifugal roof fans VENTS VKVz series

Centrifugal roof fans VENTS VKVz series
Centrifugal roof fans with vertical air exhaust and with maximum air flow of up to 17 010 m³/h.
Model features
  • Extract mode
  • Roof fan
  • Ball bearings
  • Description
  • Modifications
  • Capacity diagram
  • Downloads
  • Designation key
  • BIM
Description
Description
APPLICATION
  • Exhaust ventilation systems for commercial, office and other public or industrial premises 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 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.

Capacity diagram
Capacity diagram
  • Selection method:
  • Air flow:
  • Pressure:
Operating point
  • Air flow: --
  • Pressure: ---
Downloads
Downloads
Select document type
  • Advertising and printing products
  • Certificates
  • Technical documentation
Name
"VENTS VKV, VKH" product description 03-2021 (pdf 2.06Mb)
Declaration of сonformity "VKV, VKH" (pdf 1.68Mb)
"Roof fans accessories" product description 02-2016 (pdf 132.53Kb)
"VENTS VKV, VKH" user's manual 05-2021 (V204EN-02) (pdf 3.72Mb)
Download high quality image "VENTS VKVz (ErP 2018)" (psd 2.26Mb)
Download image "VENTS VKVz (ErP 2018)" for your website (png 417.29Kb)
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
BIM
BIM

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