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MRB - Centrifugal fan

MRB

Centrifugal fan

Medium-pressure centrifugal fans with direct drive designed for the transport of dusty air.
Can be painted in a color
other than standard
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APPLICATION

The fan is designed for transport systems of non-aggressive, non-explosive and slightly polluted air.

Typical applications:

 

  • air pressing in technological processes
  • cooling systems
  • air drying systems

MOTOR

  • asynchronous 3-phase 230/400V, 50Hz or 400/690V, 50Hz depending on motor power
  • degree of protection IP55
  • insulation class F
  • adapted to frequency regulation
  • motor ambient temperature from -20°C to +40°C

CONSTRUCTION

  • medium-pressure radial fan with direct drive
  • steel sheet impeller with backward tilted blades, dynamically balanced according to ISO 1940-1
  • housing is welded from steel sheet
  • fan painted blue RAL 5010 (corrosivity category C3)
  • maximum temperature of the transported medium 80°C
  • figure LG270

SPECIAL EXECUTIONS

  • optional configuration LG/RD
  • color other than standard
  • painting in higher category of corrosivity
  • housing and support made of galvanized steel sheet
  • housing and support made of stainless steel 1.4301
  • housing and support made of acid-proof steel 1.4404
  • motor with voltage and frequency of power different than standard
  • motor with other than standard degree of protection
  • motor equipped with sensors or additional cooling
  • sealing between the housing and the motor
  • motor ambient temperature range below -20°C and above +40°C
  • for transporting a medium with a temperature below -20°C or above +80°C

Technical assistance

Choose a fan www.fanselectoronline.com

m3/h
Pa

Work characteristics

Dimensions

Type A B C E F G H I
  mm mm mm mm mm mm mm mm
MRB-4-500/160-300T 881 985 712 424 610 323 636 383
MRB-2-500/160-1850T 881 985 712 424 610 323 636 383
Type J K L M S T X
  mm mm mm mm mm mm mm
MRB-4-500/160-300T 696 443 756 70 384 231 16
MRB-2-500/160-1850T 696 443 756 70 384 231 16
Type G1 H1 N1 N2 N3 N4 N5
  mm mm mm mm mm mm mm
MRB-4-500/160-300T 135 135 75 235 395 467 555
MRB-2-500/160-1850T 135 135 75 235 395 467 555
Type N6 P1 P2 P3 X1 X2 X3
  mm mm mm mm mm mm mm
MRB-4-500/160-300T 630 380 440 480 8 8 2
MRB-2-500/160-1850T 630 380 440 480 8 8 2
Type X4 ØO ØD1 ØD2 ØD3 ØO1 ØO2
  mm mm mm mm mm mm mm
MRB-4-500/160-300T 4 17 450 500 550 10 16
MRB-2-500/160-1850T 4 17 450 500 550 10 16
Type A B C E F H J K L M
  mm mm mm mm mm mm mm mm mm mm
MRB-4-560/180-550T 950 948 829 395 580 365 500 660 550 51
MRB-2-560/180-3000T 950 948 829 395 580 365 500 660 550 51
MRB-2-560/180-3700T 950 948 829 395 580 365 500 660 550 51
Type S T X G1 G2 G3 H1 I1
  mm mm mm mm mm mm mm mm
MRB-4-560/180-550T 666 237.5 22 112 50 506 112 26
MRB-2-560/180-3000T 666 237.5 22 112 50 506 112 26
MRB-2-560/180-3700T 666 237.5 22 112 50 506 112 26
Type I2 N1 N2 N3 N4 N5 N6 P1
  mm mm mm mm mm mm mm mm
MRB-4-560/180-550T 636 30.5 250.5 470.5 497.5 690.5 721.5 305
MRB-2-560/180-3000T 636 30.5 250.5 470.5 497.5 690.5 721.5 305
MRB-2-560/180-3700T 636 30.5 250.5 470.5 497.5 690.5 721.5 305
Type P2 P3 X2 X3 X4 ØD ØO ØO2
  mm mm mm mm mm mm mm mm
MRB-4-560/180-550T 350 385 8 4 3 499 12 15
MRB-2-560/180-3000T 350 385 8 4 3 499 12 15
MRB-2-560/180-3700T 350 385 8 4 3 499 12 15

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