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VDN #15 w/motor AIR 280 S6 75 kW 1000 rpm, execution 3

Centrifugal blowing fan

Brand: КВЗ
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Product Code: ID16647
882 287₴
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Centrifugal forced-draft fan [option_values.65.value] (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 [option_values.88.value] m³/h at a pressure of [option_values.89.value] Pa.

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

Productivity, м³/h:
Pressure, Pa:
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VDN #15 w/motor AIR 280 S6 75 kW 1000 rpm, execution 3
882 287₴
Description

Purpose of forced-draft fans [option_values.65.value] (VDN 95-40)

Centrifugal single-inlet forced-draft fans [option_values.65.value] (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 [option_values.65.value] (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 [option_values.65.value] (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 [option_values.65.value] (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 [option_values.65.value] (VDN 95-40)

Forced-draft units [option_values.65.value] (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 [option_values.65.value] (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 [option_values.65.value] (VDN 95-40)


Specifications
Common
Model
Motor type
Productivity, м³/h
Pressure, Pa
Max. transported air temperature, °C
Pollution limits, mg/m3
Maximum efficiency, ηmax (%)
Electric motor AIR 280 S6
Common
Model
AIR 280 S6
Motor type
asynchronous
Kind
general purpose industrial motor
Motor series
AIR
Shaft diameter, mm
80
Voltage, V
380/660
Frequency of the current, Hz
50
Power kW
75.0
Vol./Min
1000
n, vol./Min
985
Climatic performance
UZ
Class of protection, IP
54
Efficiency, %
93
Power factor, cosφ
0,85
Weight, kg
800
Consumed nominal current, In (A)
150
Dimension (height of rotation axis), mm
280
Phase
3-phase
The ratio of max. torque to rated power, Mmax/Mn
2,1
The ratio of starting current to the nominal, Istart/In
6,6
The ratio of starting torque to rated power, Mstart/Mn
2
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