MRB

Designations

1 M2 R3 B- 4 VB5 560/180-265- 6 18507 T
 

  1. Medium-pressure centrifugal fan
  2. Impeller type
    R - Impeller with backward curved blades
  3. Steel sheet housing
  4. Drive type
    VB - Belt drive
    2,4 - Number of motor poles (rotation speed)
  5. Model
  6. Power factor
    1850 - 1850 x 10 = 18 500W
  7. Electric motor
    T Three-phase motor
Medium-pressure centrifugal fans with direct drive designed for the transport of dusty air.
 

Application

Transport of dusty air.

Construction

Medium-pressure centrifugal fans with direct drive or belt drive.

MRB fans' impeller with backward curved straight blades, profiled, welded from steel sheet or aluminum sheet dynamically balanced as per ISO 1940.

Housing made of welded steel sheet. Fans come standard in LG 270 configuration. Fans in other configurations are available on customer's request.

Electric motor

Asynchronous 230 / 400V, 50 Hz three-phase motor or 230V,50 Hz single-phase motor with capacitor.

Motors are manufactured in compliance with IEC 60072 and IEC 60034 standard, they have been awarded a CE mark. Insulation class F, degree of protection IP 55.

Motors for other voltage and frequency, with an increased level of protection, adapted for voltage control or frequency inverter, provided with an independent cooling system with sensors (bimetallic or posistor), can be provided on customer's request.

On request

Housings and impellers made of acid resistant or galvanized steel sheet available upon request. On request, the unit can be supplied in any RAL colour (as standard RAL 5010 - blue).
Name Nominal
voltage [V]
Speed
[r.p.m.]
P max
[W]
I max
[A]
Q max
[m3/h]
P
static [Pa]
Weight
[kg]
Temp.
min.
[oC]
Temp.
max.
[oC]
MRB/4-500/160-300T 400 1460 3000 6.7 10300 950 142 -20 40
MRB/2-500/160-1850T 400 2955 18500 32.8 16500 3780 250 -20 40
MRB/4-560/180-550T 400 1450 5500 14.6 16700 1200 168 -20 40
MRB/2-560/180-3000T 400 2950 30000 53 15000 5000 380 -20 40
MRB/2-560/180-3700T 400 2955 37000 63 25000 5000 400 -20 40

Performance curves