Fan Selection Software
Operating point
Select fan type
LFS
Chemically resistant fan
Radial low-pressure fan with direct drive. LFS fans are used in areas requiring precise air dosing and good resistance to various types of chemicals.
Application
LFS fans are used in:
- in areas requiring precise air dosing,
- in areas requiring good resistance to various types of chemicals,
- in chemical cabinets or rooms located in chemical laboratories,
- in fume cupboards, chemical laboratories,
- when processing plastic, shrink wrapping.
Construction
- radial low pressure fan with direct drive
- stainless rotor with forward curved blades, dynamically balanced according to ISO 1940-1
- housing is welded from stainless steel 1.4301
- a dispersion plate that dissipates heat between the housing and the motor
- maximum temperature of the transported medium 200 ° C
- motor ambient temperature from -20 ° C to + 40 ° C
- engine base on 200-250 models
- figure LG90
Motor
- asynchronous, single-phase, 230V, 50 Hz (power up to 0.55 kW)
- asynchronous, three-phase, 230 / 400V, 50 Hz (power up to 3 kW)
- asynchronous, three-phase, 400 / 690V, 50 Hz (5.5 kW)
- efficiency class IE3 - three-phase motors (from 0.75 kW)
- or IE2 (less than 0.75 kW)
- efficiency class IE3 - single-phase motors
- insulation class - F
- degree of protection - IP55
- for frequency control (three-phase motors)
- for voltage regulation - single-phase motors (RU version)
Special versions
- any LG / RD figure
- motor for other than standard voltage and power frequency
- motor with a different degree of IP protection
- engine equipped with sensors or additional cooling
- motor ambient temperature below -20°C and above + 40°C
Work characteristics
Dimensions
| Type | A | B | C | E | F | S | T | M1 | M2 | ØD | Ød1 | Ød2 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|
| mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | mm | |
| LFS-2-97/42-003S | 179 | 147 | 306 | 108 | 67 | 120 | 61 | 30 | 30 | 102 | 102 | 116 |
| LFS-2-120/52-008S | 222 | 210 | 333 | 122 | 90 | 172 | 74 | 30 | 30 | 152 | 152 | 164 |
| LFS-2-160/62-018S | 316 | 276 | 355 | 175 | 127 | 213 | 87 | 50 | 50 | 152 | 152 | 164 |
| LFS-2-160/62-018T | 316 | 276 | 355 | 175 | 127 | 213 | 87 | 50 | 50 | 152 | 152 | 164 |
| Type | A | B | C | E | F | S | T | M1 | M2 |
|---|---|---|---|---|---|---|---|---|---|
| mm | mm | mm | mm | mm | mm | mm | mm | mm | |
| LFS-2-133/62-025S | 268 | 354 | 379 | 145 | 212 | 308 | 80 | 30 | 30 |
| LFS-2-146/62-037S | 286 | 367 | 379 | 151 | 212 | 322 | 80 | 30 | 30 |
| LFS-2-133/62-025T | 268 | 354 | 379 | 145 | 212 | 308 | 80 | 30 | 30 |
| LFS-2-146/62-037T | 286 | 367 | 379 | 151 | 212 | 322 | 80 | 30 | 30 |
| LFS-2-200/74-150T | 418 | 513 | 498 | 230 | 260 | 443 | 113 | 50 | 50 |
| LFS-4-200/74-075T | 418 | 503 | 464 | 230 | 290 | 443 | 113 | 50 | 50 |
| LFS-2-250/116-550T | 469 | 584 | 634 | 252 | 332 | 483 | 140 | 50 | 50 |
| LFS-4-250/116-075T | 469 | 552 | 554 | 252 | 300 | 451 | 140 | 50 | 50 |
| LFS-2-280/94-550T | 479 | 587 | 600 | 266 | 332 | 498 | 123 | 50 | 50 |
| LFS-4-280/94-110T | 479 | 565 | 600 | 266 | 310 | 476 | 123 | 50 | 50 |
| LFS-4-315/143-300T | 603 | 780 | 652 | 305 | 423 | 641 | 179 | 50 | 50 |
| LFS-6-315/143-150T | 595 | 771 | 638 | 305 | 423 | 640 | 179 | 50 | 50 |
| Type | N1 | N2 | N3 | N4 | N5 | N6 | P1 |
|---|---|---|---|---|---|---|---|
| mm | mm | mm | mm | mm | mm | mm | |
| LFS-2-133/62-025S | 25 | 175 | 0 | 0 | 200 | 294 | 220 |
| LFS-2-146/62-037S | 25 | 175 | 0 | 0 | 200 | 294 | 220 |
| LFS-2-133/62-025T | 25 | 175 | 0 | 0 | 200 | 294 | 220 |
| LFS-2-146/62-037T | 25 | 175 | 0 | 0 | 200 | 294 | 220 |
| LFS-2-200/74-150T | 25 | 135 | 255 | 0 | 280 | 334 | 250 |
| LFS-4-200/74-075T | 25 | 140 | 255 | 0 | 280 | 314 | 250 |
| LFS-2-250/116-550T | 30 | 130 | 230 | 380 | 410 | 414 | 234 |
| LFS-4-250/116-075T | 30 | 130 | 230 | 380 | 410 | 414 | 234 |
| LFS-2-280/94-550T | 30 | 130 | 230 | 380 | 410 | 418 | 234 |
| LFS-4-280/94-110T | 30 | 130 | 230 | 380 | 410 | 418 | 234 |
| LFS-4-315/143-300T | 30 | 130 | 230 | 380 | 410 | 431 | 234 |
| LFS-6-315/143-150T | 30 | 130 | 230 | 380 | 410 | 424 | 234 |
| Type | P2 | P3 | X2 | ØD | ØO2 | Ød1 | Ød2 |
|---|---|---|---|---|---|---|---|
| mm | mm | mm | mm | mm | mm | mm | |
| LFS-2-133/62-025S | 250 | 270 | 4 | 124 | 10 | 124 | 139 |
| LFS-2-146/62-037S | 250 | 270 | 4 | 152 | 10 | 152 | 167 |
| LFS-2-133/62-025T | 250 | 270 | 4 | 124 | 10 | 124 | 139 |
| LFS-2-146/62-037T | 250 | 270 | 4 | 152 | 10 | 152 | 167 |
| LFS-2-200/74-150T | 280 | 300 | 6 | 198 | 10 | 198 | 218 |
| LFS-4-200/74-075T | 280 | 300 | 6 | 198 | 10 | 198 | 218 |
| LFS-2-250/116-550T | 280 | 320 | 8 | 248 | 12 | 248 | 280 |
| LFS-4-250/116-075T | 280 | 320 | 8 | 248 | 12 | 248 | 280 |
| LFS-2-280/94-550T | 280 | 320 | 8 | 278 | 12 | 278 | 300 |
| LFS-4-280/94-110T | 280 | 320 | 8 | 278 | 12 | 278 | 300 |
| LFS-4-315/143-300T | 280 | 320 | 8 | 330 | 12 | 330 | 382 |
| LFS-6-315/143-150T | 280 | 320 | 8 | 330 | 12 | 330 | 382 |
| Type | A | B | C | E | F | T | Y |
|---|---|---|---|---|---|---|---|
| mm | mm | mm | mm | mm | mm | mm | |
| LFS-2-180/62-055S | 316 | 276 | 390 | 183 | 127 | 87 | 3 |
| LFS-2-180/62-055T | 316 | 276 | 390 | 183 | 127 | 87 | 3 |
| Type | Z | M1 | M2 | N1 | N2 | N3 | N4 |
|---|---|---|---|---|---|---|---|
| mm | mm | mm | mm | mm | mm | mm | |
| LFS-2-180/62-055S | 7 | 50 | 50 | 13 | 103 | 116 | 236 |
| LFS-2-180/62-055T | 7 | 50 | 50 | 13 | 103 | 116 | 236 |
| Type | P1 | P2 | S1 | S2 | ØD | Ød1 | Ød2 |
|---|---|---|---|---|---|---|---|
| mm | mm | mm | mm | mm | mm | mm | |
| LFS-2-180/62-055S | 115 | 142 | 213 | 56 | 152 | 152 | 164 |
| LFS-2-180/62-055T | 115 | 142 | 213 | 56 | 152 | 152 | 164 |
Additional equipment
