Mobile navigation
Fan Selection Software
Operating point
Select fan type
LFB - Centrifugal fan

LFB

Centrifugal fan

Radial low-pressure fan with direct drive, designed for ventilation of rooms with low dustiness. In the industry, often used in cooling, drying, ventilation systems, workshops etc.
Can be painted in a color
other than standard
Contact us

APPLICATION

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

  • exhaust and supply ventilation in ventilation units or individual ventilation systems,
  • drying, cooling and ventilation systems,
  • air filtration systems, eg painting walls,
  • pneumatic transport.

CONSTRUCTION

  • low-pressure radial fan with direct drive,
  • the impeller is welded from galvanized steel sheet with forward curved blades,
  • the housing is made of welded sheet steel,
  • protective mesh at the inlet,
  • galvanized net on the outlet (for sizes 2-250),
  • fan painted blue RAL 5010 (corrosivity category C3),
  • maximum temperature of the transported medium is 80oC,
  • ambient temperature range from -20oC to + 40oC,
  • LFB are supplied in LG90 configuration.

MOTOR

  • asynchronous single-phase 230V 50Hz (power to 1,5kW),
  • asynchronous, three-phase 230V/400V 50Hz (power to 3 kW),
  • asynchronous, three-phase 400V/690V 50Hz (power from 4 kW),
  • degree of protection IP55,
  • insulation class F,
  • three-phase motors are adapted for frequency converter.

SPECIAL EXECUTIONS

  • optional configuration LG/RD,
  • color other than standard,
  • pointing in higher category of corrosivity,
  • housing and support made of galvanized steel sheet,
  • impeller, 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,
  • maximum temperature of the transported medium above 80oC,
  • ambient temperature range below -20oC and above +40oC.

Technical assistance

Catalog card

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
LFB-2-200/74-150T 335 394 454 141 227 128 138 158
LFB-2-200/74-150S 335 394 454 141 227 128 138 158
Type K L O R S X D1 D2
  mm mm mm mm mm mm mm mm
LFB-2-200/74-150T 178 169 7 379 85 18 239 212
LFB-2-200/74-150S 178 169 7 379 85 18 239 212
Type J1 J2 O1 U1 U2 W1 W2 X1
  mm mm mm mm mm mm mm mm
LFB-2-200/74-150T 73 80 7 15 320 12 379 6
LFB-2-200/74-150S 73 80 7 15 320 12 379 6
Type A B C E F G H O S T X D1 D2
  mm mm mm mm mm mm mm mm mm mm mm mm mm
LFB-2-224/104-300T 335 394 482 145 227 148 139 7 85 97 6 250 230
LFB-4-280/102-075T 410 470 447 180 262 182 160 12 95 116 6 312 265
LFB-4-280/102-075S 410 470 447 180 262 182 160 12 95 116 6 312 265
LFB-4-315/143-220T 504 600 578 213 356 230 240 12 138 142 8 360 331
Type A B C E F G H I K L
  mm mm mm mm mm mm mm mm mm mm
LFB-2-250/114/550T 410 478 528 174 227 175 204 204 222 222
Type O S X D1 D2 J1 J2 N1
  mm mm mm mm mm mm mm mm
LFB-2-250/114/550T 8 112 4 286 242 102 102 23
Type N2 N3 N4 O1 O2 O3 P1 P2
  mm mm mm mm mm mm mm mm
LFB-2-250/114/550T 183 206 329 7 12 10 248 280
Type P3 U1 U2 W1 W2 X1 X2 X3
  mm mm mm mm mm mm mm mm
LFB-2-250/114/550T 310 30 380 32 432 4 4 4
Type A B C E F G H O S T
  mm mm mm mm mm mm mm mm mm mm
LFB-2-280/102-750T 410 470 574 180 262 181 160 7 95 116
LFB-4-355/144-400T 625 640 631 296 363 217 215 9 123 134
LFB-6-355/144-220T 625 640 631 296 363 217 215 9 123 134
LFB-4-400/183-750T 649 764 739 270 440 289 278 9 153 170
LFB-6-400/183-220T 649 764 636 270 440 289 278 9 153 170
Type X D1 D2 N1 N2 N3 N4 P1 P2 P3
  mm mm mm mm mm mm mm mm mm mm
LFB-2-280/102-750T 6 312 270 30 282 312 441 236 272 300
LFB-4-355/144-400T 8 395 287 25 175 200 356 390 425
LFB-6-355/144-220T 8 395 287 25 175 200 356 390 425
LFB-4-400/183-750T 8 446 412 50 320 370 553 272 310 336
LFB-6-400/183-220T 8 446 412 50 320 370 553 272 310 336
Type A B C E F G H I J
  mm mm mm mm mm mm mm mm mm
LFB-2-315/103-1100T 504 610 647 213 366 170 205 220 220
Type K O X D1 D2 L1 L2 N1 N2
  mm mm mm mm mm mm mm mm mm
LFB-2-315/103-1100T 260 13 4 331 360 129 124 50 316
Type N3 N4 O1 O2 P1 P2 P3 X1 X2
  mm mm mm mm mm mm mm mm mm
LFB-2-315/103-1100T 366 519 8 12 270 308 334 8 4

Additional equipment


Venture Industries Group

Company

Products

Materials

This site uses cookies to deliver services in accordance with the Cookie Files Policy. You can specify the conditions for storage or access to cookies in your browser. I understand