RAFAVENT SMOKE-CONTROL AXIAL SERIES
Axial Smoke-Extract Fans
Axial smoke-extract fans for project-specific normal ventilation and emergency smoke-control duty, selected by airflow, pressure, temperature class and the required compliance route.
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Compliance status: Aerodynamic data and curves below are preliminary calculated selection data derived from the RAFAVENT tubular-axial platform. F300/F400 or any other smoke-temperature classification applies only to a complete tested and certified final configuration, including casing, impeller, motor, supports and accessories. No fire-rating certification is claimed on this page.
RAFAVENT RF-AX-SE SERIES
Axial Smoke-Extract Fans — Technical Selection Data
Direct-drive cylindrical axial fans for ducted general ventilation and low-to-medium pressure industrial supply or extract systems.
RAFAVENT Engineering Calculation — Preliminary Selection — Non-Certified. Values are calculated at standard air density 1.20 kg/m³ and are not laboratory-certified ratings. Airflow, shut-off pressure and sound figures are not simultaneous guarantees. Final selection requires the project duty point, system-effect review and approved production drawing.
Construction and application
- Rolled or welded steel cylindrical casing with inlet and outlet flanges; short and long casing options.
- Direct-drive aluminium axial impeller; production balancing and vibration acceptance required before dispatch.
- External terminal box and internal motor support; mounting feet, flexible connectors, guards, anti-vibration mounts and silencers available by project.
- Normal clean-air duty basis −20 to +50 °C. No smoke, ATEX, marine or high-temperature certification is claimed for this preliminary series.
Model selection table
Recommended Q and Ps describe the intended selection envelope and are not opposite corners of a guaranteed operating point. Estimated free-field A-weighted sound pressure at 3 m has ±6 dB(A) uncertainty before duct, reflection, guard, silencer and system effects.
Calculated model curves
Open a model to view its six-point preliminary Q–Ps curve.
RF-AX-SE-250 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 162 |
| 2 | 215 | 157 |
| 3 | 429 | 143 |
| 4 | 644 | 113 |
| 5 | 859 | 70 |
| 6 | 1,073 | 0 |
RF-AX-SE-280 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 203 |
| 2 | 302 | 197 |
| 3 | 603 | 179 |
| 4 | 905 | 142 |
| 5 | 1,206 | 87 |
| 6 | 1,508 | 0 |
RF-AX-SE-315 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 257 |
| 2 | 429 | 250 |
| 3 | 859 | 226 |
| 4 | 1,288 | 180 |
| 5 | 1,718 | 111 |
| 6 | 2,147 | 0 |
RF-AX-SE-355 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 327 |
| 2 | 615 | 317 |
| 3 | 1,229 | 288 |
| 4 | 1,844 | 229 |
| 5 | 2,459 | 141 |
| 6 | 3,073 | 0 |
RF-AX-SE-400 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 415 |
| 2 | 879 | 403 |
| 3 | 1,759 | 365 |
| 4 | 2,638 | 291 |
| 5 | 3,517 | 178 |
| 6 | 4,396 | 0 |
RF-AX-SE-450 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 525 |
| 2 | 1,252 | 509 |
| 3 | 2,504 | 462 |
| 4 | 3,756 | 368 |
| 5 | 5,008 | 226 |
| 6 | 6,260 | 0 |
RF-AX-SE-500 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 648 |
| 2 | 1,717 | 629 |
| 3 | 3,435 | 571 |
| 4 | 5,152 | 454 |
| 5 | 6,869 | 279 |
| 6 | 8,587 | 0 |
RF-AX-SE-560 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 357 |
| 2 | 1,597 | 346 |
| 3 | 3,195 | 314 |
| 4 | 4,792 | 250 |
| 5 | 6,389 | 153 |
| 6 | 7,987 | 0 |
RF-AX-SE-630 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 451 |
| 2 | 2,274 | 438 |
| 3 | 4,549 | 397 |
| 4 | 6,823 | 316 |
| 5 | 9,098 | 194 |
| 6 | 11,372 | 0 |
RF-AX-SE-710 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 573 |
| 2 | 3,255 | 556 |
| 3 | 6,511 | 504 |
| 4 | 9,766 | 401 |
| 5 | 13,022 | 246 |
| 6 | 16,277 | 0 |
RF-AX-SE-800 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 409 |
| 2 | 3,493 | 397 |
| 3 | 6,986 | 360 |
| 4 | 10,478 | 287 |
| 5 | 13,971 | 176 |
| 6 | 17,464 | 0 |
RF-AX-SE-900 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 518 |
| 2 | 4,973 | 502 |
| 3 | 9,946 | 456 |
| 4 | 14,919 | 363 |
| 5 | 19,893 | 223 |
| 6 | 24,866 | 0 |
RF-AX-SE-1000 — calculated Q–Ps curve
Airflow Q (m³/h)Static pressure Ps (Pa)
| Point | Q (m³/h) | Ps (Pa) |
|---|
| 1 | 0 | 640 |
| 2 | 6,822 | 620 |
| 3 | 13,644 | 563 |
| 4 | 20,466 | 448 |
| 5 | 27,287 | 275 |
| 6 | 34,109 | 0 |
Selection requirements
Confirm airflow, total static pressure, duct diameter, installation orientation, straight inlet/outlet conditions, voltage and phase, control method, temperature, corrosion class, permissible sound level and accessories before order.
Technical documents, dimensions and service
Technical documents and dimensions
Final dimensions, connection details, materials, motor data and project drawings are issued for the selected configuration after engineering review.
Installation and maintenance
Provide level support, flexible connections, guarded drive components, alignment checks and safe maintenance access. Follow the approved project-specific O&M document.
Selection tables and calculated curves on this page are preliminary engineering guidance, not certified RAFAVENT test ratings. Confirm the operating point and controlled documents before order.