Centrifugal Anti corrosion Plypropylene Fan - Seat

  Features

  • The SEAT is a range of anti-corrosive polypropylene direct-drive single inlet centrifugal fans suitable for many special applications where the extraction of a corrosive atmosphere is required such as industrial chemical fumes, petrochemical fumes, laboratories and gases up to 700 C (for gas containing chromium see special versions).

  Construction

  • The SEAT casing and inlet connection flange are moulded from tough polypropylene plastic.
  • Models 250 and 300 are also provided with a robust sheet metal mounting frame to support the motor and facilitate installation.

  Motor   Impeller

  • All models incorporate asynchronous induction motors with squirrel cage rotor in die cast aluminium and is manufactured in accordance with IEC 34-1 standard.
  • The following standard specifications apply:
- Three phase 230V 50 Hz
- IP55 protection, with Class F insulation.
  • All models incorporate radial centrifugal impellers manufactured from tough polypropylene.
Special Versions
  • Depending upon requirements the fans can be supplied with single phase motors and casings manufactured from PVC, for the extraction of air/gas containing chromium.

  Dimensions

 
 
Model Seat A B C D E F G H L M Y Y1 Z X X1 X2 P
20 4/1 208 305 240 160 100 57 143 32 84 94 180 160 340 240 71 311 390
25 4/1 248 365 10 200 103 92 165 35 95 105 180 160 420 300 71 371 430
30 4/1 300 450 373 250 117 112 198 35 110 120 240 220 460 370 90 460 540
35 4/1 370 570 450 315 130 170 255 60 150 170 350 314 600 468 112 580 822

  Sound Data

Sound Level Hz
 
r.p.m. 63 125 250 500 1000 2000 4000 8000 dB(A)
1450 42 57 60 57 66 54 47 39 51
 
 
r.p.m. 63 125 250 500 1000 2000 4000 8000 dB(A)
1450       62 66 55 52 46 54
 
 
r.p.m. 63 125 250 500 1000 2000 4000 8000 dB(A)
1450 68 69 61 56 53 50 47 42 55
 
 
r.p.m. 50 100 125 500 1000 2500 5000 10000 B(A)
1450 68.1 65.7 68.2 68 67.4 66.7 66.8 50.3 82.4
 

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