Centrifugal Fan

454 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 (238)
EC Centrifugal Fan (216)

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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)

RH25C-6IK.BA.CR 114846 \| ZIEHL-ABEGG 1~200-277VAC EC Centrifugal Fan for renewable energy RH25C-6IK.BA.CR 114846 is a 1~200-277 VAC centrifugal fan for data centers, air-conditioning systems, packaging machinery. Its main supplied feature is a backward-curved impeller configuration. It also lists a 250 mm size specified in the upload data. Review procurement specification for final model confirmation.	-	-	-	-	-	-	-
RH40V-4DK.4F.1R 313941 \| ZIEHL-ABEGG 400VAC 710W AC Centrifugal Fan for industrial automation RH40V-4DK.4F.1R 313941 is a 400 VAC centrifugal fan for packaging machinery. Its main supplied feature is 5400 m³/h maximum airflow stated for this model. It also lists a 400 mm size specified in the upload data. Review maintenance access for final model confirmation. Check the exact variant before ordering.	-	-	-	-	-	-	-
RH25M-2DK.3B.1L 138684 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation For air-conditioning systems, RH25M-2DK.3B.1L 138684 combines 400 VAC operation with a centrifugal fan configuration. Its representative supplied feature is a 250 mm size specified in the upload data. Selection focus: power budget during final model confirmation. Check the exact variant before ordering.	-	-	-	-	-	-	-
ER56C-4DN.F7.1R 130571/0Z41 \| ZIEHL-ABEGG 400VAC 4227W AC Centrifugal Fan for renewable energy ER56C-4DN.F7.1R 130571/0Z41 is a 400 VAC centrifugal fan for data centers, air-conditioning systems, packaging machinery. Its main supplied feature is energy-efficient aerodynamic design highlighted in the supplied series data. It also lists a 560 mm size specified in the upload data. Review operating point for final model confirmation.	-	-	-	-	-	-	-
RH56A-4DK.7M.AR 121687 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for industrial equipment cooling RH56A-4DK.7M.AR 121687 is a 400 VAC centrifugal fan for industrial ventilation and equipment cooling. Its main supplied feature is low-noise aerodynamic design documented for the series. It also lists a 560 mm size specified in the upload data. Review wiring plan for final model confirmation.	-	-	-	-	-	-	-
RH31M-2DK.31.1R 133081 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation RH31M-2DK.31.1R 133081 supports air-conditioning systems as a centrifugal fan, with 400 VAC listed in the supplied data. Its representative supplied feature is a 310 mm size specified in the upload data. Selection focus: acoustic limit during final model confirmation. Check the exact variant before ordering.	-	-	-	-	-	-	-
RG35P-4DK.7M.1L \| ZIEHL-ABEGG 230VAC 1050W 350mm AC Centrifugal Fan for motor cooling RG35P-4DK.7M.1L is a 230 VAC centrifugal fan for packaging 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 electrical supply for final model confirmation. Check the exact variant before ordering.	-	-	-	-	-	-	-
RG45R-ZIK.GL.4R 117293 \| ZIEHL-ABEGG 3~380-480VAC EC Centrifugal Fan for HVAC and ventilation RG45R-ZIK.GL.4R 117293 is a 3~380-480 VAC centrifugal fan for air-conditioning systems, packaging machinery. Its main supplied feature is energy-efficient aerodynamic design highlighted in the supplied series data. It also lists a 450 mm size specified in the upload data. Review motor interface for final model confirmation.	-	-	-	-	-	-	-
RG40R-ZIK.GL.4R 116809 \| ZIEHL-ABEGG 3~380-480VAC EC Centrifugal Fan for HVAC and ventilation Specified at 3~380-480 VAC, RG40R-ZIK.GL.4R 116809 is a centrifugal fan developed around air-conditioning systems, packaging machinery. Its representative supplied feature is a 400 mm size specified in the upload data. Selection focus: pressure requirement during final model confirmation.	-	-	-	-	-	-	-
RG28S-4DK.4F.AL \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation systems The supplied record positions RG28S-4DK.4F.AL as a centrifugal fan for packaging machinery at 400 VAC. Its representative supplied feature is a forward-curved blade arrangement. Key data also includes a 280 mm size specified in the upload data. Selection focus: controller compatibility during application engineering.	-	-	-	-	-	-	-
RH35M-2DK.6K.3R 207738 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation For industrial buyers serving air-conditioning systems, RH35M-2DK.6K.3R 207738 is specified as a 400 VAC centrifugal fan. Its representative supplied feature is a 800 mm size specified in the upload data. Selection focus: installation clearance during application engineering. Check the exact variant before ordering.	-	-	-	-	-	-	-
GR50M-6DK.4I.1R 129968 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation The supplied record positions GR50M-6DK.4I.1R 129968 as a centrifugal fan for air-conditioning systems at 400 VAC. Its representative supplied feature is a backward-curved impeller configuration. Key data also includes a 400 mm size specified in the upload data. Selection focus: replacement fit during application engineering.	-	-	-	-	-	-	-
RD31S-4DW.6Q.AL 121303 \| ZIEHL-ABEGG 3~230/400VAC 3900W AC Centrifugal Fan for HVAC and ventilation RD31S-4DW.6Q.AL 121303 is a 3~230/400 VAC centrifugal fan for packaging machinery. Its main supplied feature is a 310 mm size specified in the upload data. It also lists 9200 m³/h maximum airflow stated for this model. Review acoustic limit for application engineering. Check the exact variant before ordering.	-	-	-	-	-	-	-
RH40V-4DK.4I.VR 115595 \| ZIEHL-ABEGG 3~400/460VAC 465W AC Centrifugal Fan for industrial automation RH40V-4DK.4I.VR 115595 is a 3~400/460 VAC centrifugal fan for packaging machinery. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 400 mm size specified in the upload data. Review control method for application engineering.	-	-	-	-	-	-	-
RH50V-4DK.6K.1R 113367 \| ZIEHL-ABEGG 3~230/400VAC 1800W AC Centrifugal Fan for industrial automation RH50V-4DK.6K.1R 113367 is a 3~230/400 VAC centrifugal fan for packaging machinery. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 500 mm size specified in the upload data. Review air direction for spares planning. Check the exact variant before ordering.	-	-	-	-	-	-	-
GR31I-ZID.DC.CR 116889/A01 \| ZIEHL-ABEGG 3~380-480VAC 2400W EC Centrifugal Fan for data center cooling GR31I-ZID.DC.CR 116889/A01 is a 3~380-480 VAC centrifugal fan for data centers. Its main supplied feature is 2400 W input power for the listed electrical version. It also lists a 310 mm size specified in the upload data. Review performance curve for spares planning. Check the exact variant before ordering.	-	-	-	-	-	-	-
GR25I-6ID.BD.CR 116883/A01 \| ZIEHL-ABEGG 1~200-277VAC 780W EC Centrifugal Fan for data center cooling GR25I-6ID.BD.CR 116883/A01 is a 1~200-277 VAC centrifugal fan for data centers. Its main supplied feature is 1190 Pa maximum pressure stated for this model. It also lists a 250 mm size specified in the upload data. Review maintenance access for spares planning. Check the exact variant before ordering.	-	-	-	-	-	-	-
GR31C-ZID.DC.CR 116167/A01 \| ZIEHL-ABEGG 3~400/460VAC 3700W EC Centrifugal Fan for renewable energy GR31C-ZID.DC.CR 116167/A01 is a 3~400/460 VAC centrifugal fan for data centers, air-conditioning systems, packaging machinery. Its main supplied feature is 4100 rpm rated speed in the supplied parameter row. It also lists a 310 mm size specified in the upload data. Review equipment interface for spares planning.	-	-	-	-	-	-	-
GR56I-ZID.GG.CR 116907/A01 \| ZIEHL-ABEGG 3~380-480VAC 3400W EC Centrifugal Fan for data center cooling GR56I-ZID.GG.CR 116907/A01 is a 3~380-480 VAC centrifugal fan for data centers. Its main supplied feature is a backward-curved impeller configuration. It also lists a 560 mm size specified in the upload data. Review fan selection for spares planning. Use the complete model code and supplied parameters when confirming the final installation.	-	-	-	-	-	-	-
RH25M-2DK.3B.1R 137139 \| ZIEHL-ABEGG 3~230/400VAC 410W AC Centrifugal Fan for HVAC and ventilation RH25M-2DK.3B.1R 137139 is a 3~230/400 VAC centrifugal fan for air-conditioning systems. Its main supplied feature is 1800 m³/h maximum airflow stated for this model. It also lists a 250 mm size specified in the upload data. Review installation clearance for spares planning. Check the exact variant before ordering.	-	-	-	-	-	-	-

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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 — 454 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 454 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.

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

RH25C-6IK.BA.CR 114846 \| ZIEHL-ABEGG 1~200-277VAC EC Centrifugal Fan for renewable energy RH25C-6IK.BA.CR 114846 is a 1~200-277 VAC centrifugal fan for data centers, air-conditioning systems, packaging machinery. Its main supplied feature is a backward-curved impeller configuration. It also lists a 250 mm size specified in the upload data. Review procurement specification for final model confirmation.	-	-	-	-	-	-	-
RH40V-4DK.4F.1R 313941 \| ZIEHL-ABEGG 400VAC 710W AC Centrifugal Fan for industrial automation RH40V-4DK.4F.1R 313941 is a 400 VAC centrifugal fan for packaging machinery. Its main supplied feature is 5400 m³/h maximum airflow stated for this model. It also lists a 400 mm size specified in the upload data. Review maintenance access for final model confirmation. Check the exact variant before ordering.	-	-	-	-	-	-	-
RH25M-2DK.3B.1L 138684 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation For air-conditioning systems, RH25M-2DK.3B.1L 138684 combines 400 VAC operation with a centrifugal fan configuration. Its representative supplied feature is a 250 mm size specified in the upload data. Selection focus: power budget during final model confirmation. Check the exact variant before ordering.	-	-	-	-	-	-	-
ER56C-4DN.F7.1R 130571/0Z41 \| ZIEHL-ABEGG 400VAC 4227W AC Centrifugal Fan for renewable energy ER56C-4DN.F7.1R 130571/0Z41 is a 400 VAC centrifugal fan for data centers, air-conditioning systems, packaging machinery. Its main supplied feature is energy-efficient aerodynamic design highlighted in the supplied series data. It also lists a 560 mm size specified in the upload data. Review operating point for final model confirmation.	-	-	-	-	-	-	-
RH56A-4DK.7M.AR 121687 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for industrial equipment cooling RH56A-4DK.7M.AR 121687 is a 400 VAC centrifugal fan for industrial ventilation and equipment cooling. Its main supplied feature is low-noise aerodynamic design documented for the series. It also lists a 560 mm size specified in the upload data. Review wiring plan for final model confirmation.	-	-	-	-	-	-	-
RH31M-2DK.31.1R 133081 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation RH31M-2DK.31.1R 133081 supports air-conditioning systems as a centrifugal fan, with 400 VAC listed in the supplied data. Its representative supplied feature is a 310 mm size specified in the upload data. Selection focus: acoustic limit during final model confirmation. Check the exact variant before ordering.	-	-	-	-	-	-	-
RG35P-4DK.7M.1L \| ZIEHL-ABEGG 230VAC 1050W 350mm AC Centrifugal Fan for motor cooling RG35P-4DK.7M.1L is a 230 VAC centrifugal fan for packaging 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 electrical supply for final model confirmation. Check the exact variant before ordering.	-	-	-	-	-	-	-
RG45R-ZIK.GL.4R 117293 \| ZIEHL-ABEGG 3~380-480VAC EC Centrifugal Fan for HVAC and ventilation RG45R-ZIK.GL.4R 117293 is a 3~380-480 VAC centrifugal fan for air-conditioning systems, packaging machinery. Its main supplied feature is energy-efficient aerodynamic design highlighted in the supplied series data. It also lists a 450 mm size specified in the upload data. Review motor interface for final model confirmation.	-	-	-	-	-	-	-
RG40R-ZIK.GL.4R 116809 \| ZIEHL-ABEGG 3~380-480VAC EC Centrifugal Fan for HVAC and ventilation Specified at 3~380-480 VAC, RG40R-ZIK.GL.4R 116809 is a centrifugal fan developed around air-conditioning systems, packaging machinery. Its representative supplied feature is a 400 mm size specified in the upload data. Selection focus: pressure requirement during final model confirmation.	-	-	-	-	-	-	-
RG28S-4DK.4F.AL \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation systems The supplied record positions RG28S-4DK.4F.AL as a centrifugal fan for packaging machinery at 400 VAC. Its representative supplied feature is a forward-curved blade arrangement. Key data also includes a 280 mm size specified in the upload data. Selection focus: controller compatibility during application engineering.	-	-	-	-	-	-	-
RH35M-2DK.6K.3R 207738 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation For industrial buyers serving air-conditioning systems, RH35M-2DK.6K.3R 207738 is specified as a 400 VAC centrifugal fan. Its representative supplied feature is a 800 mm size specified in the upload data. Selection focus: installation clearance during application engineering. Check the exact variant before ordering.	-	-	-	-	-	-	-
GR50M-6DK.4I.1R 129968 \| ZIEHL-ABEGG 400VAC AC Centrifugal Fan for HVAC and ventilation The supplied record positions GR50M-6DK.4I.1R 129968 as a centrifugal fan for air-conditioning systems at 400 VAC. Its representative supplied feature is a backward-curved impeller configuration. Key data also includes a 400 mm size specified in the upload data. Selection focus: replacement fit during application engineering.	-	-	-	-	-	-	-
RD31S-4DW.6Q.AL 121303 \| ZIEHL-ABEGG 3~230/400VAC 3900W AC Centrifugal Fan for HVAC and ventilation RD31S-4DW.6Q.AL 121303 is a 3~230/400 VAC centrifugal fan for packaging machinery. Its main supplied feature is a 310 mm size specified in the upload data. It also lists 9200 m³/h maximum airflow stated for this model. Review acoustic limit for application engineering. Check the exact variant before ordering.	-	-	-	-	-	-	-
RH40V-4DK.4I.VR 115595 \| ZIEHL-ABEGG 3~400/460VAC 465W AC Centrifugal Fan for industrial automation RH40V-4DK.4I.VR 115595 is a 3~400/460 VAC centrifugal fan for packaging machinery. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 400 mm size specified in the upload data. Review control method for application engineering.	-	-	-	-	-	-	-
RH50V-4DK.6K.1R 113367 \| ZIEHL-ABEGG 3~230/400VAC 1800W AC Centrifugal Fan for industrial automation RH50V-4DK.6K.1R 113367 is a 3~230/400 VAC centrifugal fan for packaging machinery. Its main supplied feature is a compact construction intended to simplify equipment integration. It also lists a 500 mm size specified in the upload data. Review air direction for spares planning. Check the exact variant before ordering.	-	-	-	-	-	-	-
GR31I-ZID.DC.CR 116889/A01 \| ZIEHL-ABEGG 3~380-480VAC 2400W EC Centrifugal Fan for data center cooling GR31I-ZID.DC.CR 116889/A01 is a 3~380-480 VAC centrifugal fan for data centers. Its main supplied feature is 2400 W input power for the listed electrical version. It also lists a 310 mm size specified in the upload data. Review performance curve for spares planning. Check the exact variant before ordering.	-	-	-	-	-	-	-
GR25I-6ID.BD.CR 116883/A01 \| ZIEHL-ABEGG 1~200-277VAC 780W EC Centrifugal Fan for data center cooling GR25I-6ID.BD.CR 116883/A01 is a 1~200-277 VAC centrifugal fan for data centers. Its main supplied feature is 1190 Pa maximum pressure stated for this model. It also lists a 250 mm size specified in the upload data. Review maintenance access for spares planning. Check the exact variant before ordering.	-	-	-	-	-	-	-
GR31C-ZID.DC.CR 116167/A01 \| ZIEHL-ABEGG 3~400/460VAC 3700W EC Centrifugal Fan for renewable energy GR31C-ZID.DC.CR 116167/A01 is a 3~400/460 VAC centrifugal fan for data centers, air-conditioning systems, packaging machinery. Its main supplied feature is 4100 rpm rated speed in the supplied parameter row. It also lists a 310 mm size specified in the upload data. Review equipment interface for spares planning.	-	-	-	-	-	-	-
GR56I-ZID.GG.CR 116907/A01 \| ZIEHL-ABEGG 3~380-480VAC 3400W EC Centrifugal Fan for data center cooling GR56I-ZID.GG.CR 116907/A01 is a 3~380-480 VAC centrifugal fan for data centers. Its main supplied feature is a backward-curved impeller configuration. It also lists a 560 mm size specified in the upload data. Review fan selection for spares planning. Use the complete model code and supplied parameters when confirming the final installation.	-	-	-	-	-	-	-
RH25M-2DK.3B.1R 137139 \| ZIEHL-ABEGG 3~230/400VAC 410W AC Centrifugal Fan for HVAC and ventilation RH25M-2DK.3B.1R 137139 is a 3~230/400 VAC centrifugal fan for air-conditioning systems. Its main supplied feature is 1800 m³/h maximum airflow stated for this model. It also lists a 250 mm size specified in the upload data. Review installation clearance for spares planning. Check the exact variant before ordering.	-	-	-	-	-	-	-

Centrifugal Fan

Centrifugal Fan

Types of 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?