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KEF - Centrifugal fan

KEF

Centrifugal fan

KEF radial fans, thanks to their design and low noise level, are dedicated to work in kitchen hoods, eaves in small catering outlets.
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APPLICATION

Fan designed for transporting non-aggressive and non-explosive gases without contamination. Typical applications:

  • kitchen hoods,
  • hoods in small catering outlets.

CONSTRUCTION

  • centrifugal fan with direct drive,
  • the impeller (models from 160 to 280) is welded from galvanizes steel sheet with forward curved blades (type F),
  • the impeller (models 315 and 355) is welded from aluminium sheet with backward curved blades,
  • impellers dynamically balanced,
  • the housing is made of galvanized sheet steel, acoustically insulated and thermally mat in fire resistance class A1, 50mm thick,
  • motor with impeller mounted on a tilting door, providing easy access to the interior of the fan and maintenance,
  • motor cover is made of galvanized sheet steel,
  • the fan has handles on which the fan can be placed,
  • drainage as standard,
  • vibro-isolators as standard,
  • the suction and discharge fan is equipped with connection stubs with rubber gaskets,
  • maximum temperature of the supplied medium120°C.

MOTOR

  • asynchronous single-phase 230V 50Hz (power to 1,1kW),
  • asynchronous, three-phase 230V/400V 50Hz (power to 2,2 kW),
  • degree of protection IP55,
  • insulation class F,
  • three-phase motors are adapted for frequency converter.

Technical assistance

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m3/h
Pa

Dimensions

Type A B B' C C' ØD E F
  mm mm mm mm mm mm mm mm
KEF/4-160/75-025S 478 476 390 503 516 160 422 387
KEF/4-160/75-025T 478 476 390 503 516 160 422 387
KEF/4-200/74-055S 526 520 390 517 520 200 470 420
KEF/4-200/74-055T 526 520 390 517 520 200 470 420
KEF/4-225/104-055S 606 569 500 606 620 225 550 480
KEF/4-225/104-110T IE3 606 569 500 606 620 225 550 480
KEF/4-250/114-055S 636 609 500 640 634 250 580 500
KEF/4-250/114-110T IE3 636 609 500 640 634 250 580 500
KEF/4-280/102-055S 707 660 570 660 675 280 650 570
KEF/4-280/102-150T IE3 707 660 570 660 675 280 650 570
KEF/2-315/102-110S 735 716 570 645 650 315 680 618
KEF/2-315/102-110T IE3 735 716 570 645 650 315 680 618
KEF/2-355/100-220T IE3 856 796 800 723 730 355 800 695
Type G H I J K L M
  mm mm mm mm mm mm mm
KEF/4-160/75-025S 240 210 352 360 400 216 432
KEF/4-160/75-025T 240 210 352 360 400 216 432
KEF/4-200/74-055S 266 229 410 360 400 221 464
KEF/4-200/74-055T 266 229 410 360 400 221 464
KEF/4-225/104-055S 318 266 492 460 500 260 500
KEF/4-225/104-110T IE3 318 266 492 460 500 260 500
KEF/4-250/114-055S 335 281 520 460 500 274 512
KEF/4-250/114-110T IE3 335 281 520 460 500 274 512
KEF/4-280/102-055S 379 318 590 530 570 315 594
KEF/4-280/102-150T IE3 379 318 590 530 570 315 594
KEF/2-315/102-110S 383 344 600 540 580 350 600
KEF/2-315/102-110T IE3 383 344 600 540 580 350 600
KEF/2-355/100-220T IE3 459 387 715 770 810 370 646
Type N O O' P R S T
  mm mm mm mm mm mm mm
KEF/4-160/75-025S 200 37 50 40 394 290 250
KEF/4-160/75-025T 200 37 50 40 394 290 250
KEF/4-200/74-055S 200 47 50 50 422 290 290
KEF/4-200/74-055T 200 47 50 50 422 290 290
KEF/4-225/104-055S 200 36 50 40 458 360 310
KEF/4-225/104-110T IE3 200 36 50 40 458 360 310
KEF/4-250/114-055S 200 56 50 60 530 360 310
KEF/4-250/114-110T IE3 200 56 50 60 530 360 310
KEF/4-280/102-055S 200 35 50 40 597 430 310
KEF/4-280/102-150T IE3 200 35 50 40 597 430 310
KEF/2-315/102-110S 200 45 50 50 628 470 250
KEF/2-315/102-110T IE3 200 45 50 50 628 470 250
KEF/2-355/100-220T IE3 200 43 80 50 756 700 310

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