WD roof fan

WD roof fan


Roof fans are used to remove air from workshops, storerooms, department stores etc. The used  air that is removed may be contaminated with vapours,  corroding gases and dusts within the limits allowed by regulations concerning environment protection.

Product description


Series of types of roof fans includes 5 sizes.
The fans consist of:

  • highly efficient centrifugal rotor made of steel
  • electric motor
  • support panel, body and cover are made of polyester-glass laminate

The fans are fitted for mounting on the roof bases with possibility of application the acoustic dampers under fans.

Working conditions


The fans are  offered with the following motors:

  • WD-16: two gear, three-phase motors ~900/1400 rpm and single-phase 900 or 1400 rpm.
  • WD-20: two gear, three-phase motors ~900/1400 rpm and single-phase 900 or 1400 rpm.
  • WD-25: two gear, three-phase motors ~900/1400 rpm and single-phase 900 or 1400 rpm.
  • WD-31,5: two gear, three-phase motors ~900/1400 rpm and single-phase 900 or 1400 rpm.
  • WD-40: single gear, three-phase motors ~700 or 900 rpm and single-phase 700 or 900 rpm.


The acceptable temperature of the removed air is 50oC.

WD-16-TD

 

Two-speed three-phase motors

Motor type

SKh71-6/4 A

Voltage [V]

400

Selected speed

Low

High

Motor power [kW]

0,06

0,18

Current [A]

0,5

 1,1

Revolutions [rpm]

940

 1400
WD-16-TD

WD-20-TD

 

Two-speed three-phase motors

Motor type

SKh71-6/4A

Voltage [V]

400

Selected speed

Low

High

Motor power [kW]

0,06

0,18

Current [A]

0,5

 1,1

Revolutions [rpm]

940

 1400
WD-20-TD

WD-25-TD

 

Two-speed three-phase motors

Motor type

SKh71-6/4A

Voltage [V]

400

Selected speed

Low

High

Motor power [kW]

0,06

0,18

Current [A]

0,5

 1,1

Revolutions [rpm]

940

 1400
WD-25-TD

WD-31,5-TD

 

Two-speed three-phase motors

Motor type

SKh80-6/4A

Voltage [V]

400

Selected speed

Low

High

Motor power [kW]

0,12

0,37

Current [A]

0,9

 1,4

Revolutions [rpm]

960

 1390
WD-31,5-TD

WD-40-T

 

Three-phase motors

Motor type

SKh80X-6C SKh80X-8D

Voltage [V]

400

400

Motor power [kW]

0,75

 0,55

Current [A] 

2,3

 2,4

Revolutions [rpm]

900

 700
WD-40-T

WD-16-J

 

Single-phase motors

Motor type

SSKh71-4A SSKh71-6A

Voltage [V]

230

230

Motor power [kW]

0,18

0,12

 Current [A]

1,4

 1,2

Revolutions [rpm]

1420

 900
WD-16-J

WD-20-J

 

Single-phase motors

Motor type

SSKH71-4A SSKh71-6A

Voltage [V]

230

230

Motor power [kW]

0,18

0,12

Current [A] 

1,4

1,2

Revolutions [rpm]

1420

900
WD-20-J

WD-25-J

 

Single-phase motors

Motor type

SSKh71-4A SSKh71-6A

Voltage [V]

230

230

Motor power [kW]

0,18

 0,12

Current [A] 

1,4

1,2

Revolutions [rpm]

1420

 900
WD-25-J

WD-31,5-J

 

Single-phase motors

Motor type

SSKh80-4A SSKh80-6A

Voltage [V]

230

230

Motor power [kW]

0,37

0,25

Current [A] 

2,8

 2,3

Revolutions [rpm]

1420

 900
WD-31,5-J

WD-40-J

 

Single-phase motors

Motor type

SSKhR90-6L SSKh80-8B

Voltage [V]

230

230

Motor power [kW]

0,75

0,18

Current [A] 

5,3

1,95

Revolutions [rpm]

900

700
WD-40-J

Files to download

WD catalogue sheet pdf 23.06.2015 1,29MB
Fans control and automatics pdf 27.01.2017 1,98MB

Accessiories

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