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VD #2.7 w/motor AIR 80 А4 1.1 kW 1500 rpm, execution 1

Centrifugal blowing fan

Brand: КВЗ
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Description
Specification
Aerodynamic Characteristics
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Product Code: ID16321
17 593₴
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Centrifugal draft fan VD #2.7

Designed for moving air and air-gas mixtures with temperatures ranging from -30 °C to +80 °C, with a dust concentration not exceeding 0.1 g/m³, and free of sticky, fibrous, or abrasive particles.

  • Airflow capacity: 1100 m³/h
  • Total pressure: 100 Pa

Forward-curved blades

Productivity, м³/h:1100
Pressure, Pa:100
Vol./Min:1500
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VD #2.7 w/motor AIR 80 А4 1.1 kW 1500 rpm, execution 1
17 593₴
Description

Blower fan VD #2.7 series 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], made of carbon steel

Single-inlet centrifugal blower fans VD #2.7 are designed to supply air to the combustion chambers of boiler units in thermal power plants or large industrial boiler systems. These fans are used with balanced-draft steam boilers producing 1–25 tons of steam per hour and with gas or oil-fired hot water boilers with a heat output of 0.5–16 Gcal/h. They may also be used in industrial systems for supplying clean air or as draft fans in balanced-draft boiler units.

General information about blower fans VD #2.7

  • Medium- and high-pressure applications
  • Single-side air intake
  • Forward-curved blades
  • Number of blades — 32
  • Rotation direction — right-hand or left-hand
  • Casing rotation — 0° to 360° (15° increments)
  • Design No. 1 — impeller mounted on motor shaft
  • Design No. 3 — drive via intermediate shaft

Operating conditions of blower fans VD #2.7

Designed for handling air and non-aggressive gas-air mixtures with temperatures ranging from -30 °C to +200 °C and dust content up to 0.1 g/m³, free from sticky, fibrous, or abrasive inclusions. Suitable for continuous operation indoors or outdoors under a canopy in moderate climates.

Construction of blower fans VD #2.7

Main components: impeller, housing (scroll), inlet nozzle, electric motor, drive, and frame. The motor and impeller are mounted on a U-shaped frame bolted to the foundation. The housing is a welded construction made of a cylindrical shell and side walls. The cylindrical inlet nozzle is bolted to the housing.

By agreement with the customer, the fan can be additionally equipped with an inlet box and guide vanes. These redirect airflow by 90°, stabilize it, and improve the fan’s efficiency. The guide vane system can be controlled manually or with an actuator.

Available versions of blower fans VD #2.7

Fans are manufactured in both right-hand and left-hand rotation. In right-hand rotation, the impeller rotates clockwise (viewed from the motor side); in left-hand — counterclockwise. The scroll housing is produced with a rotation angle from 0° to 270° in 15° increments; interfering stiffeners are removed.

Casing rotation angles of blower fans VD #2.7

Specifications
Common
Model
VD #2.7
Motor type
AIR
Productivity, м³/h
1100
Pressure, Pa
100
Vol./Min
1500
Max. transported air temperature, °C
200
Pollution limits, mg/m3
100
Weight, kg
37
Power consumption, W
1100
Electric motor AIR 80 A4
Common
Model
AIR 80 A4
Motor type
asynchronous
Kind
general purpose industrial motor
Motor series
AIR
Shaft diameter, mm
22
Voltage, V
220/380
Frequency of the current, Hz
50
Power kW
1.1
Vol./Min
1500
n, vol./Min
1375
Climatic performance
UZ
Class of protection, IP
54
Efficiency, %
74,5
Power factor, cosφ
0,76
Weight, kg
16
Consumed nominal current, In (A)
3,04
Dimension (height of rotation axis), mm
80
Phase
3-phase
The ratio of max. torque to rated power, Mmax/Mn
2,3
The ratio of starting current to the nominal, Istart/In
5,8
The ratio of starting torque to rated power, Mstart/Mn
2,3

Aerodynamic characteristics of VD #2.7 w/motor AIR 80 А4 1.1 kW 1500 rpm

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