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HF-250 oblique-flow pressurized inline duct fan product image

HF-250 Inline-Booster-Ventilator-Leitfaden: 1405 m³/h und Zweigang-Auswahl

HF-250 is an oblique-flow inline duct fan for ducted ventilation and boosting. The product page publishes separate operating rows, not one universal performance

Quick Answer: Select HF-250 by reading one published operating row as a complete set of values, then checking the planned duct route, installation space, electrical supply, and required operating mode. The published HF-250 rows list the highest airflow and static-pressure figures in this three-page set, but route resistance and installation space must still be checked against the chosen row.

What does the published HF-250 data show?

HF-250 is an oblique-flow inline duct fan for ducted ventilation and boosting. The product page publishes separate operating rows, not one universal performance number. Use the selected row against the planned project duty.

  • Single-speed: 1405 m³/h, 488 Pa, 255 W, 66 dB, 220 V
  • Dual-speed: 1405/1064 m³/h, 488/371 Pa, 255/165 W, 66/58 dB, 220 V
  • Published size: L385×W300×H1080 mm

Review the published HF-250 product details and operating rows before deciding on the final configuration.

Why should one operating row stay together?

Airflow, static pressure, power, noise, current, and speed mode describe one operating choice. Do not combine airflow from one row with pressure, power, or noise from another. This is the clearest way to keep the requested configuration aligned with the published data.

Conceptual pre-inquiry checklist for duct route, project conditions, access, and power details
Conceptual pre-inquiry checklist. Confirm duct-route conditions, installation space, service access, and power details before requesting a technical model review. It does not represent a specific model or prove performance.

What should be checked before requesting a review?

Confirm duct diameter, route length, bends, filters or silencers, target airflow, static-pressure demand, voltage and frequency, available installation space, and the required operating mode. These are project inputs, not values that can be inferred from the model name alone.

  • Published product facts: the operating rows and size listed above.
  • Projektbestätigung: route resistance, target duty, installation conditions, electrical supply, and final suitability.

When should you compare another HF model?

Compare a sibling model only when the required project duty differs from the published HF-250 rows. Use the adjacent product pages as separate reference points; do not infer a performance ranking outside their published tables.

Compare the published HF-150 rows or review the published HF-200 rows on the HF-200 / HF-315 dual-model page if the project duty changes.

Request a model review

Prepare the route length, bends, duct diameter, target airflow, voltage/frequency, preferred operating mode, installation space, and quantity. Send these inputs through the HF-250 inquiry route for a configuration review.

FAQ

What is the published airflow for HF-250?

The published airflow is row-specific. Read the selected row with its stated static pressure, power, noise, voltage, and operating mode rather than using airflow as a stand-alone selection result.

Should I choose single-speed or dual-speed?

Choose the operating row that matches the required operating pattern. Use single-speed for one planned operating point. Use dual-speed only when the project needs the two published settings.

What should be checked before ordering?

Check duct diameter, route resistance, target airflow, static pressure, voltage/frequency, available space, and the selected operating row.

Next step

Open the HF-250 product page to inspect the published details and use the inquiry route when the project inputs are ready.

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