Centrifugal Fan

467 results

Centrifugal fans are the workhorse of high-pressure industrial ventilation, using curved impellers to accelerate air radially outward and convert velocity to pressure. This operating principle enables centrifugal fans to overcome substantial system resistance — making them essential for ducted HVAC systems, dust collection and fume extraction systems, combustion air supply, and industrial process ventilation. Centrifugal fans are classified by impeller geometry: forward curved (high airflow, moderate pressure), backward curved (high pressure, maximum efficiency), or radial blade (rugged construction for particulate-laden airflow). They are also available in direct-driven or belt-driven configurations. Centrifugal fans operate across a wide range of motor types and speeds — from 1500 RPM standard AC motors to high-speed EC drives. Key manufacturers include ebm-papst, ZIEHL-ABEGG, Nicotra Gebhardt, Rosenberg, and SODECA. Hengrui supplies centrifugal fans from all major brands with complete performance curves, competitive pricing, and engineering consultation for system design. When selecting centrifugal fans, engineers must match fan performance curves to calculated system curves for optimal efficiency and reliability.

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Types of Centrifugal Fan

AC Centrifugal Fan (249)
EC Centrifugal Fan (218)

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Mfr Part #	Rated Voltage(V)	Size(mm)	Max.Air Flow(m³/h)	Max.Pressure(Pa)	Input Power(W)	Speed(rpm)	Noise(db)

RH28M-2DK.3F.2R 155575 \| ZIEHL-ABEGG 400VAC 513W AC Centrifugal Fan for renewable energy RH28M-2DK.3F.2R 155575 is a 400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is 513 W input power for the listed electrical version. It also lists a 280 mm size specified in the upload data. Review air direction for ductwork design.	400	280	-	-	513	-	-
GR28M-2DK.3F.2R 129865 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for renewable energy systems GR28M-2DK.3F.2R 129865 is a 400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 280 mm size specified in the upload data. Review maintenance access for ductwork design.	400	280	-	-	-	-	-
RН28M-2DK.3F.2R 130020 \| ZIEHL-ABEGG 400VAC 790W AC Centrifugal Fan for renewable energy RН28M-2DK.3F.2R 130020 is a 400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is 3120 rpm rated speed in the supplied parameter row. It also lists a 280 mm size specified in the upload data. Review operating point for ductwork design.	400	280	-	-	790	3120	-
RH35M-2DK.5L.3R 126193 \| ZIEHL-ABEGG 3~230/400VAC 1650W AC Centrifugal Fan for renewable energy RH35M-2DK.5L.3R 126193 is a 3~230/400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a backward-curved impeller configuration. It also lists a 350 mm size specified in the upload data. Review wiring plan for ductwork design.	3~230/400	350	4200	1380	1650	2810	-
RH50M-VDK.5F.1R 210734 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for renewable energy systems A 400 VAC electrical rating defines RH50M-VDK.5F.1R 210734, a centrifugal fan for inverter cooling, packaging machinery, production machinery. Its representative supplied feature is a backward-curved impeller configuration. Key data also includes a 500 mm size specified in the upload data. Selection focus: replacement fit during ductwork design.	400	500	-	-	-	-	-
RE20P-2DT.3F.5R 126795 \| ZIEHL-ABEGG 3~400VAC 750W AC Centrifugal Fan for industrial equipment cooling RE20P-2DT.3F.5R 126795 is a 3~400 VAC centrifugal fan for packaging machinery, production machinery, cleanroom workstations. Its main supplied feature is 750 W input power for the listed electrical version. It also lists a 200 mm size specified in the upload data. Review duct connection for ductwork design.	3~400	200	-	-	750	2590	-
RF18P-2DK.1B.1R 205779E \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation For equipment cooling, air-conditioning systems, RF18P-2DK.1B.1R 205779E combines 400 VAC operation with a centrifugal fan configuration. Its representative supplied feature is a direct-drive arrangement with no separate transmission. Selection focus: cooling margin during ductwork design.	400	-	-	-	-	-	-
RE35P-4EK.6k.2L 208914 \| ZIEHL-ABEGG 230VAC AC Centrifugal Fan for industrial equipment cooling RE35P-4EK.6k.2L 208914 brings a centrifugal fan format and 230 VAC rating to packaging machinery, production machinery, cleanroom workstations. Its representative supplied feature is a forward-curved blade arrangement. Key data also includes a 350 mm size specified in the upload data. Selection focus: electrical supply during ductwork design.	230	350	-	-	-	-	-
RH35M-2DK.6F.2R 164071 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for renewable energy systems RH35M-2DK.6F.2R 164071 is a 400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 350 mm size specified in the upload data. Review airflow path for ductwork design.	400	350	-	-	-	-	-
RF18P-2DK.1B.1R 205779 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation The supplied record positions RF18P-2DK.1B.1R 205779 as a centrifugal fan for equipment cooling, air-conditioning systems at 400 VAC. Its representative supplied feature is a forward-curved blade arrangement. Selection focus: mounting envelope during ductwork design. Check the exact variant before ordering.	400	-	-	-	-	-	-
RH35M-4DK.4C.1R 172149 \| ZIEHL-ABEGG 3~400VAC 290W AC Centrifugal Fan for renewable energy RH35M-4DK.4C.1R 172149 is a 3~400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 350 mm size specified in the upload data. Review procurement specification for cabinet planning.	3~400	350	2800	349	290	1360	-
RH28M-2DK.3I.1R 140535 \| ZIEHL-ABEGG 3~230/400VAC 570W AC Centrifugal Fan for renewable energy RH28M-2DK.3I.1R 140535 is a 3~230/400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a backward-curved impeller configuration. It also lists a 280 mm size specified in the upload data. Review housing geometry for cabinet planning.	3~230/400	280	2505	755	570	2860	-
RH63M-VDK.7Q.1R 121390 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for renewable energy systems RH63M-VDK.7Q.1R 121390 is a 400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a dual-speed motor configuration identified for this model. It also lists a 630 mm size specified in the upload data. Review air direction for cabinet planning.	400	630	-	-	-	-	-
RH35M-4EK.4F.1R 139899 \| ZIEHL-ABEGG 230VAC 410W AC Centrifugal Fan for renewable energy RH35M-4EK.4F.1R 139899 is a 230 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a backward-curved impeller configuration. It also lists a 350 mm size specified in the upload data. Review performance curve for cabinet planning.	230	350	-	-	410	1520	-
RH50C-ZID.GL.1R 114767 \| ZIEHL-ABEGG 3~380-480VAC EC Centrifugal Fan for renewable energy RH50C-ZID.GL.1R 114767 is a 3~380-480 VAC centrifugal fan for data centers, wind-power equipment. Its main supplied feature is ECblue motor and integrated-control technology referenced for this model. It also lists a 500 mm size specified in the upload data. Review operating point for cabinet planning.	3~ 380-480	500	-	-	-	-	-
RH56C-ZID.GQ.CR 116750 \| ZIEHL-ABEGG 3~380-480VAC 5900W EC Centrifugal Fan for renewable energy RH56C-ZID.GQ.CR 116750 is a 3~380-480 VAC centrifugal fan for data centers, wind-power equipment. Its main supplied feature is a backward-curved impeller configuration. It also lists a 560 mm size specified in the upload data. Review installation clearance for cabinet planning. Check the exact variant before ordering.	3~ 380-480	560	12580	1107	5900	-	-
RH50M-4EK.6K.IR 210737 \| ZIEHL-ABEGG 3~200/345VAC 1300W AC Centrifugal Fan for renewable energy RH50M-4EK.6K.IR 210737 is a 3~200/345 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a backward-curved impeller configuration. It also lists a 500 mm size specified in the upload data. Review service access for cabinet planning.	3~200/345	500	7700	600	1300	1350	-
RH56M-VDK.6N.1R 124379 \| ZIEHL-ABEGG 3~400VAC 2200W AC Centrifugal Fan for renewable energy RH56M-VDK.6N.1R 124379 is a 3~400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is a backward-curved impeller configuration. It also lists a 560 mm size specified in the upload data. Review cooling margin for cabinet planning.	3~400	560	11000	760	2200	1350	-
RD25S-4EW.4R.2L 209718 \| ZIEHL-ABEGG 230VAC AC Centrifugal Fan for HVAC and ventilation RD25S-4EW.4R.2L 209718 is a 230 VAC centrifugal fan for controlled indoor ventilation, telecom equipment, packaging machinery. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 250 mm size specified in the upload data. Review control method for cabinet planning.	230	250	-	-	-	-	-
RH31M-2DK.3I.1R 133081 \| ZIEHL-ABEGG 3~230/400VAC 900W AC Centrifugal Fan for renewable energy RH31M-2DK.3I.1R 133081 is a 3~230/400 VAC centrifugal fan for inverter cooling, packaging machinery, production machinery. Its main supplied feature is 3200 m³/h maximum airflow stated for this model. It also lists a 310 mm size specified in the upload data. Review housing geometry for motor selection.	3~230/400	310	3200	920	900	2740	-

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About Centrifugal Fan

How to Select the Right Centrifugal Fan

The most reliable way to specify centrifugal Fan is to work from the system, not from the catalog. Measure or calculate the airflow and pressure demand first, add the dimensional limits of the mounting position, and only then shortlist series whose curves cover your operating point with margin.

Electrical matching is the next gate. Confirm the supply voltage — 12 V, 24 V or 48 V DC for compact electronics cooling, 115 V or 230 V AC for equipment and panel cooling — and decide whether you need speed control. EC models accept PWM or 0-10 V signals and report speed through a tachometer output, which makes them the default choice for variable-airflow systems, while AC units remain a cost-effective answer for fixed-speed duty.

Then filter by environment. High ambient temperature, dust or moisture loads dictate the IP rating and bearing choice — ball bearings keep airflow and noise stable over years, while sleeve bearings suit light-duty horizontal mounting. Regulatory needs such as UL, CE and RoHS recognition should be confirmed before the shortlist goes to purchasing, together with a maximum allowed sound pressure level in dBA.

End the process by checking supply, not just specification: confirm current stock, the lead time for follow-up quantities, and obtain datasheets and dimension drawings so the mechanical interface is verified before the PO. Send us your airflow and pressure requirements and our engineers will confirm the best-matched series — 467 products are available in this category today.

Typical Applications and Use Cases for Centrifugal Fan

The daily work of our sales engineers is built around centrifugal Fan used in data center cooling, refrigeration and cold chain projects, building ventilation, telecom base stations, medical devices and industrial control cabinets — environments where a stopped fan is a stopped business process. That daily exposure to real installations is exactly what we bring back into every selection: not just reading curves, but knowing which models survive dust, heat, continuous duty and restricted service access.

A typical case: an equipment builder needed to replace an aging AC fan inside a control cabinet that could not be taken offline for more than an hour. By cross-referencing the frame dimensions, voltage and airflow curve, we supplied a current-series drop-in replacement with a matching tachometer signal, and the swap was completed during a scheduled maintenance window.

Refrigeration and cold chain customers bring us another pattern: the failed condenser fan is unavailable for weeks. Comparing diameter, speed, bearings and IP rating, we supply a functionally equivalent unit from stock so the system returns to duty the same week — the reason many service companies keep our contact number on file.

From one-piece emergency replacements to volume supply for equipment manufacturers, every ZIEHL-ABEGG enquiry is handled by the same rule: verify the parameters first, then quote — so what arrives on site is the fan the project actually needs.

Frequently Asked Questions About Buying Centrifugal Fan

What technical documentation do you provide before purchase?

Datasheets, performance curves, dimension drawings and certification files (UL, CE, RoHS where applicable) are available on request before you buy — we believe a purchase order should follow a verified selection, not replace it. For project tenders we can also provide product comparison tables that put the candidate models side by side on the parameters you care about.

Do you have centrifugal Fan in stock and how fast can you deliver?

Common series and mainstream voltage versions are normally in stock and can ship within a few working days; specialized or customized variants are produced to order and typically require additional production time. Send us the exact model or the required parameters and we will confirm stock, unit price and the earliest shipment date in one reply Currently 467 products in this category are listed online.

Can you replace my existing centrifugal Fan from another supplier or a discontinued model?

Yes. Replacement supply is one of our core services: we cross-reference the mounting dimensions, voltage, speed and performance curve of your installed unit and propose the closest current-series equivalent. Where the frame or connector differs slightly, we state the difference clearly before you order, so the replacement installs without surprises.

Centrifugal Fan

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About Centrifugal Fan

How to Select the Right Centrifugal Fan

Typical Applications and Use Cases for Centrifugal Fan

Frequently Asked Questions About Buying Centrifugal Fan

What technical documentation do you provide before purchase?

Do you have centrifugal Fan in stock and how fast can you deliver?

Can you replace my existing centrifugal Fan from another supplier or a discontinued model?