Brackets and mounts
Marvel Air Flow MAF25C — 30HP Direct Drive ID Fan | GA MR-624
- Bounding box
- 1535.0 × 956.1 × 1321.0 mm
- Engine
- Precision B-rep
- Parameters
- 24
- Published
- November 5, 2026
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The prompt
New separate CAD assembly from Organicco supplied Marvel Air Flow drawing MR-624 Rev00 dated 12 Aug 2026, MAF25 C Ø570 ARR#4 TOP HORIZONTAL DISCHARGE CCW drive-side rotation. No belts. Duty specified 7500 m3/h, static pressure 500mmWC at 30C, blower 2900rpm, 22BHP; 30 HP 2-pole 3ph 415V TEFC motor. 690x850 C-channel base with six Ø14 holes, shaft center 630 above floor, outlet damper 375 long extending left with 250x370 clear opening and 350x470 14xØ14 drilled flange; inlet Ø355 clear, flange Ø455 OD with 12xØ14 holes on Ø410 PCD. Snail casing, direct mounted motor, shaft seal, rotor, outlet damper, lifting lugs, inspection door, drain plug. Undimensioned details illustrative.
Parameters
| Name | Value | Range |
|---|---|---|
| Base width in elevation | 690 mm | 680 – 730 |
| Base length inlet-to-motor | 850 mm | 820 – 900 |
| Base channel height | 100 mm | 95 – 120 |
| Base channel web/flange | 50 mm | 45 – 65 |
| Fan shaft X datum | 0 mm | -50 – 50 |
| Motor/impeller shaft elevation | 630 mm | 620 – 650 |
| Volute axial thickness (estimated) | 335 mm | 300 – 370 |
| Volute wall thickness (estimated) | 6 mm | 4 – 8 |
| Inlet flange clear bore | 355 mm | 345 – 365 |
| Inlet flange outside diameter | 455 mm | 450 – 465 |
| Inlet flange PCD | 410 mm | 400 – 420 |
| Connection bolt-hole diameter | 14 mm | 13 – 16 |
| Impeller diameter from GA model designation | 570 mm | 550 – 610 |
| CCW impeller blade count (estimated) | 10 | 8 – 12 |
| Outlet clear Y width | 250 mm | 240 – 270 |
| Outlet clear Z height | 370 mm | 350 – 390 |
| Outlet flange outer width | 350 mm | 340 – 370 |
| Outlet flange outer height | 470 mm | 450 – 490 |
| Top of horizontal outlet opening | 1271 mm | 1240 – 1300 |
| Outlet damper axial projection | 375 mm | 360 – 410 |
| 30 HP motor frame body OD (estimated) | 260 mm | 230 – 300 |
| 30 HP motor body length (estimated) | 315 mm | 290 – 360 |
| Direct drive motor front y datum | 220 mm | 200 – 270 |
| Motor mounting plate gauge | 12 mm | 10 – 16 |
Every value above is a live dimension. Open a model like this in the editor and each one becomes a slider you can drag before exporting.
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