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)

RD28S-4DW.4R.2L \| ZIEHL-ABEGG 400V 1550W AC Centrifugal Fan for HVAC & Equipment Cooling Specified for Ventilation, the ZIEHL-ABEGG RD28S-4DW.4R.2L is a 400 V AC centrifugal fan, characterized by 280 mm dimensions for installation planning. The value aids operating-point comparison.	400	280	-	-	1550	1300	-
RD22P-4DW.4N.1R \| ZIEHL-ABEGG 3~400-440-690V 1700W AC Radial Fan for HVAC & Equipment Cooling Chosen for Ventilation, ZIEHL-ABEGG RD22P-4DW.4N.1R is a 440-690V AC centrifugal fan, with 220 mm dimensions for installation planning. It gives project engineers a selection cue. It assists design comparison.	3~400-440/690	220	-	-	1700	1590	-
GR50V-ZIK.GG.1R \| ZIEHL-ABEGG 3~380-480V 2100W EC Fan Module 500mm for HVAC Equipment Integration Applied in AHU, ZIEHL-ABEGG GR50V-ZIK.GG.1R is a 380-480V EC centrifugal fan, noted for a documented speed of 1,680 rpm. The data supports model-level evaluation. The value aids technical review.	3`380-480	500	-	-	2100	1680	-
GR45G-4DK.4I.2R \| ZIEHL-ABEGG 400V 710W AC Fan Module for HVAC Equipment Integration Chosen for Air Handling Units, ZIEHL-ABEGG GR45G-4DK.4I.2R is a 400 V AC centrifugal fan, offering a documented 710 W input rating. This enables specification-led selection. The stated values provide a basis for design review.	400	450	-	-	710	1350	-
GR35C-2DK.6N.1R \| ZIEHL-ABEGG 3~400-500V 3600W AC Fan Module 350mm for HVAC Equipment Integration Built for AHU, the ZIEHL-ABEGG GR35C-2DK.6N.1R is a 400-500V AC centrifugal fan, distinguished by 350 mm dimensions for installation planning. It gives project engineers a selection cue.	3~400-500	350	-	-	3600	3270-3380	-
GR31M-2DK.5H.2R \| ZIEHL-ABEGG 400V 770W AC Fan Module for HVAC Equipment Integration Oriented toward Air Handling Units, ZIEHL-ABEGG GR31M-2DK.5H.2R is a 400 V AC centrifugal fan, defined by a documented speed of 2,800 rpm. The data helps compare W-series variants.	400	-	-	-	770	2800	-
GR28C-2DD.3I.CR \| ZIEHL-ABEGG 400V 1000W AC Fan Module for HVAC Equipment Integration Created for Air Handling Units, ZIEHL-ABEGG GR28C-2DD.3I.CR is a 400 V AC centrifugal fan, presenting a documented speed of 3,170 rpm. It supports an evidence-based shortlist. This helps model selection.	400	280	-	-	1000	3170	-
GR63C-ZIK.GL.CR \| ZIEHL-ABEGG 3~380-480V 3700W EC Fan Module 630mm for HVAC Equipment Integration Chosen for AHU, ZIEHL-ABEGG GR63C-ZIK.GL.CR is a 380-480V EC centrifugal fan, featuring a documented 3,700 W input rating. It supports replacement and design review. The value aids technical review.	3`380-480	630	-	-	3700	1300	-
GR56I-ZID.GQ.CR \| ZIEHL-ABEGG 400V 5200W EC Fan Module for HVAC Equipment Integration Assigned to Air Handling Units, the ZIEHL-ABEGG GR56I-ZID.GQ.CR is a 400 V EC centrifugal fan, presenting a listed pressure capability of 1,410 Pa. It supports an evidence-based shortlist.	400	560	19250	1410	5200	1860	77
GR56C-ZID.GL.1R \| ZIEHL-ABEGG 3~380-480V EC Fan Module for HVAC Equipment Integration Integrated into Air Handling Units, the ZIEHL-ABEGG GR56C-ZID.GL.1R is a 380-480V EC centrifugal fan, specified with 560 mm dimensions for installation planning. The rating clarifies its operating profile.	3`380-480	560	-	-	-	-	-
GR56C-ZID.GG.1R \| ZIEHL-ABEGG 3~380-480V 3600W EC Fan Module 560mm for HVAC Equipment Integration Adapted for AHU, ZIEHL-ABEGG GR56C-ZID.GG.1R is a 380-480V EC centrifugal fan, recognized through a documented speed of 1,580 rpm. This guides model-to-system comparison. The figure guides duty evaluation.	3~ 380-480	560	-	-	3600	1580	-
GR50I-ZID.GQ.CR \| ZIEHL-ABEGG 400V 480W EC Fan Module for HVAC Equipment Integration Used in Air Handling Units, the ZIEHL-ABEGG GR50I-ZID.GQ.CR is a 400 V EC centrifugal fan, featuring a listed pressure capability of 1,680 Pa. It supports replacement and design review.	400	500	16300	1680	480	2180	81
GR50I-ZID.GG.CR \| ZIEHL-ABEGG 3~380-480V 3500W EC Fan Module 500mm for HVAC Equipment Integration Aimed at AHU, ZIEHL-ABEGG GR50I-ZID.GG.CR is a 380-480V EC centrifugal fan, presenting a listed pressure capability of 1,380 Pa. It supports an evidence-based shortlist. The figure guides duty evaluation.	3~ 380-480	500	14500	1380	3500	1955	-
GR50C-ZID.GL.1R \| ZIEHL-ABEGG 3~380-480V EC Fan Module for HVAC Equipment Integration Intended for Air Handling Units, the ZIEHL-ABEGG GR50C-ZID.GL.1R is a 380-480V EC centrifugal fan, with a focus on 500 mm dimensions for installation planning. This supports technical purchasing review.	3`380-480	500	-	-	-	-	-
GR50C-ZID.GG.CR \| ZIEHL-ABEGG 230V 2114W EC Fan Module for HVAC Equipment Integration Aimed at Air Handling Units, ZIEHL-ABEGG GR50C-ZID.GG.CR is a 230 V EC centrifugal fan, noted for a documented speed of 1,564 rpm. The data supports model-level evaluation. This supports review.	230	500	8000	600	2114	1564	76
GR50C-ZID.GG.1R \| ZIEHL-ABEGG 3~380-480V EC Fan Module for HVAC Equipment Integration Built for Air Handling Units, the ZIEHL-ABEGG GR50C-ZID.GG.1R is a 380-480V EC centrifugal fan, identified by 500 mm dimensions for installation planning. This assists electrical and mechanical review.	3`380-480	500	-	-	-	-	-
GR45I-ZID.DG.CR \| ZIEHL-ABEGG 400V 2400W EC Fan Module for HVAC Equipment Integration Built for Air Handling Units, the ZIEHL-ABEGG GR45I-ZID.DG.CR is a 400 V EC centrifugal fan, whose key figure is a listed pressure capability of 1,200 Pa. It gives buyers a documented reference.	400	450	11000	1200	2400	2050	75
GR45I-ZID.DC.CR \| ZIEHL-ABEGG 400V 1700W EC Fan Module for HVAC Equipment Integration Configured for Air Handling Units, the ZIEHL-ABEGG GR45I-ZID.DC.CR is a 400 V EC centrifugal fan, centered on a listed acoustic value of 72 dB. This clarifies the model's listed capability.	400	450	9800	960	1700	1800	72
GR45C-ZIK.DG.CR \| ZIEHL-ABEGG 3~380-480V 2000W EC Fan Module 450mm for HVAC Equipment Integration Selected for AHU, the ZIEHL-ABEGG GR45C-ZIK.DG.CR is a 380-480V EC centrifugal fan, for which the table lists a documented speed of 1,880 rpm. This supports technical purchasing review.	3`380-480	450	-	-	2000	1880	-
GR45C-ZIK.DC.CR \| ZIEHL-ABEGG 1~200-277V 1050W EC Fan Module 450mm for HVAC Equipment Integration Prepared for AHU, ZIEHL-ABEGG GR45C-ZIK.DC.CR is a 200-277V EC centrifugal fan, presenting a documented speed of 1,500 rpm. It supports an evidence-based shortlist. Its data aids integration.	1~200-277	450	-	-	1050	1500	-

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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

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?