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VDN #11.2 w/motor AIR 200 M6 22 kW 1000 rpm, execution 1

Centrifugal blowing fan

Brand: КВЗ
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Description
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Aerodynamic Characteristics
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Product Code: ID16571
230 480₴
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Centrifugal forced-draft fan VDN #11.2 (VDN 95-40) with electric motor [el.name] [el.option_values.52.value] [el.option_values.52.name] [el.option_values.41.value] [el.option_values.41.name_short] for general industrial use.

Operating point: capacity 18770 m³/h at a pressure of 1900 Pa.

Equipped with a backward-curved blade impeller — for increased efficiency, reduced noise, and energy savings.

Productivity, м³/h:18770
Pressure, Pa:1900
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VDN #11.2 w/motor AIR 200 M6 22 kW 1000 rpm, execution 1
230 480₴
Description

Purpose of forced-draft fans VDN #11.2 (VDN 95-40)

Centrifugal single-inlet forced-draft fans VDN #11.2 (VDN 95-40) are designed to supply air to the combustion chambers of boiler units in boiler shops of thermal power plants or large industrial boiler installations. These fans are used with balanced-draft boilers having a steam capacity from 35 to 960 t/h. Their use is also permitted in process units across various industries for moving clean air, as well as smoke exhausters for gas-and-oil-fired boilers with balanced draft.

General information about forced-draft fans VDN #11.2 (VDN 95-40)

  • Medium and high pressure
  • Single-inlet
  • Rotation direction – right-hand and left-hand
  • Forward-curved blades
  • Number of blades – 16

Operating conditions of forced-draft fans VDN #11.2 (VDN 95-40)

VDN centrifugal forced-draft fans are intended for moving air and non-explosive, non-aggressive gas-air mixtures with temperatures from -30 °C to +200 °C and dust content up to 0.1 g/m3, free from sticky, fibrous, and abrasive particles. Designed for continuous operation indoors and outdoors (under a canopy) in temperate climate conditions.

Design of forced-draft fans VDN #11.2 (VDN 95-40)

The main components of VDN fans are: impeller, housing (scroll casing), inlet nozzle, electric motor, drive, and frame (support). The welded housing has a horizontal split and an inspection hatch. The casing is reinforced with stiffening ribs made from channel sections.

Manufacturing options of forced-draft fans VDN #11.2 (VDN 95-40)

Forced-draft units VDN #11.2 (VDN 95-40) are manufactured with both right-hand and left-hand rotation. With right-hand rotation, the impeller turns clockwise when viewed from the motor side; with left-hand rotation — counterclockwise. The scroll casing VDN #11.2 (VDN 95-40) is made with a discharge angle from 0° to 270° in 15° increments. Casing ribs that interfere with installation are trimmed.

Fan housing rotation angles VDN #11.2 (VDN 95-40)


Specifications
Common
Model
VDN #11.2
Motor type
AIR
Productivity, м³/h
18770
Pressure, Pa
1900
Max. transported air temperature, °C
80
Pollution limits, mg/m3
100
Maximum efficiency, ηmax (%)
54
Electric motor AIR 200 M6
Common
Model
AIR 200 M6
Motor type
asynchronous
Kind
general purpose industrial motor
Motor series
AIR
Shaft diameter, mm
60
Voltage, V
220/380
Frequency of the current, Hz
50
Power kW
22.0
Vol./Min
1000
n, vol./Min
975
Climatic performance
UZ
Class of protection, IP
54
Efficiency, %
89,7
Power factor, cosφ
0,83
Weight, kg
233
Consumed nominal current, In (A)
45
Dimension (height of rotation axis), mm
200
Phase
3-phase
The ratio of max. torque to rated power, Mmax/Mn
2,2
The ratio of starting current to the nominal, Istart/In
6,3
The ratio of starting torque to rated power, Mstart/Mn
2,1

Aerodynamic characteristics of VDN #11.2 w/motor AIR 200 M6 22 kW 1000 rpm

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