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Centrifugal Fan

Centrifugal Fan

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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Mfr Part # Rated Voltage(V) Size(mm) Max.Air Flow(m³/h) Max.Pressure(Pa) Input Power(W) Speed(rpm) Noise(db)
RH25V-6IK.BD.1R | ZIEHL-ABEGG 230V 240W EC Impeller for Production & Cleanroom Equipment
RH25V-6IK.BD.1R | ZIEHL-ABEGG 230V 240W EC Impeller for Production & Cleanroom Equipment

Deployed in Ventilation Systems, the ZIEHL-ABEGG RH25V-6IK.BD.1R is a 230 V EC centrifugal fan, characterized by 250 mm dimensions for installation planning. The value helps verify equipment fit.

230 250 - - 240 2900 -
RG28P-4DK.6F.1R | ZIEHL-ABEGG 3~230-400V 1500W AC Radial Fan for HVAC & Equipment Cooling
RG28P-4DK.6F.1R | ZIEHL-ABEGG 3~230-400V 1500W AC Radial Fan for HVAC & Equipment Cooling

Serving Ventilation, the ZIEHL-ABEGG RG28P-4DK.6F.1R is a 230-400V AC centrifugal fan, supported by 280 mm dimensions for installation planning. It supports replacement and design review.

3~ 230/400 280 3680 425 1500 1310 -
RF22P-2DN.B4.5R | ZIEHL-ABEGG 460V AC Centrifugal Fan for Equipment Cooling & Ventilation
RF22P-2DN.B4.5R | ZIEHL-ABEGG 460V AC Centrifugal Fan for Equipment Cooling & Ventilation

Selected for Ventilation Systems, the ZIEHL-ABEGG RF22P-2DN.B4.5R is a 460 V AC centrifugal fan, showing 220 mm dimensions for installation planning. It provides a traceable selection parameter.

460 220 - - - 3500 -
RF22P-2DK.3F.5R | ZIEHL-ABEGG 400V 610W AC Centrifugal Fan for Equipment Cooling & Ventilation
RF22P-2DK.3F.5R | ZIEHL-ABEGG 400V 610W AC Centrifugal Fan for Equipment Cooling & Ventilation

Chosen for Ventilation, the ZIEHL-ABEGG RF22P-2DK.3F.5R is a 400 V AC centrifugal fan, with a focus on 220 mm dimensions for installation planning. It gives engineers a clear comparison point.

400 220 - - 610 2230 -
RD25S-4EW.4I.DL | ZIEHL-ABEGG 230V 660W AC Centrifugal Fan for HVAC & Equipment Cooling
RD25S-4EW.4I.DL | ZIEHL-ABEGG 230V 660W AC Centrifugal Fan for HVAC & Equipment Cooling

Adapted for Ventilation, ZIEHL-ABEGG RD25S-4EW.4I.DL is a 230 V AC centrifugal fan, featuring 250 mm dimensions for installation planning. This guides model-to-system comparison. This supports review.

230 250 - - 660 880 -
GR35C-2DD.6K.1R | ZIEHL-ABEGG 400V 3000W AC Fan Module for HVAC Equipment Integration
GR35C-2DD.6K.1R | ZIEHL-ABEGG 400V 3000W AC Fan Module for HVAC Equipment Integration

Suited to Air Handling Units, ZIEHL-ABEGG GR35C-2DD.6K.1R is a 400 V AC centrifugal fan, with a documented speed of 2,990 rpm. It gives project engineers a selection cue. It assists design comparison.

400 350 - - 3000 2990 -
GR31M-6ID.BD.2R | ZIEHL-ABEGG 200V 3800W EC Fan Module for HVAC Equipment Integration
GR31M-6ID.BD.2R | ZIEHL-ABEGG 200V 3800W EC Fan Module for HVAC Equipment Integration

Integrated into Air Handling Units, the ZIEHL-ABEGG GR31M-6ID.BD.2R is a 200 V EC centrifugal fan, showing 310 mm dimensions for installation planning. The figure helps confirm design suitability.

200 310 - - 3800 2350 -
RH63D-ZIK.GL.VR | ZIEHL-ABEGG 400V EC Impeller for HVAC Equipment Integration
RH63D-ZIK.GL.VR | ZIEHL-ABEGG 400V EC Impeller for HVAC Equipment Integration

Built for Ventilation Systems, the ZIEHL-ABEGG RH63D-ZIK.GL.VR is a 400 V EC centrifugal fan, defined by 630 mm dimensions for installation planning. The data helps compare W-series variants.

400 630 - - - - -
RH22L-2EP.W6.1R | ZIEHL-ABEGG 230V 110W AC Impeller for Equipment Cooling & Ventilation
RH22L-2EP.W6.1R | ZIEHL-ABEGG 230V 110W AC Impeller for Equipment Cooling & Ventilation

Focused on Ventilation Systems, the ZIEHL-ABEGG RH22L-2EP.W6.1R is a 230 V AC centrifugal fan, recognized through 220 mm dimensions for installation planning. This guides model-to-system comparison.

230 220 - - 110 2200 -
RH63D-ZIK.GG.VR | ZIEHL-ABEGG 400V 3500W EC Impeller for HVAC Equipment Integration
RH63D-ZIK.GG.VR | ZIEHL-ABEGG 400V 3500W EC Impeller for HVAC Equipment Integration

Applied in Ventilation Systems, the ZIEHL-ABEGG RH63D-ZIK.GG.VR is a 400 V EC centrifugal fan, for which the table lists a listed airflow of 19,990 m³/h. This supports technical purchasing review.

400 630 19990 900 3500 1496 87
RH35I-ZID.DC.CR | ZIEHL-ABEGG 1~200-277V 1350W EC Impeller for HVAC Equipment Integration
RH35I-ZID.DC.CR | ZIEHL-ABEGG 1~200-277V 1350W EC Impeller for HVAC Equipment Integration

Integrated into Ventilation, ZIEHL-ABEGG RH35I-ZID.DC.CR is a 200-277V EC centrifugal fan, characterized by a documented speed of 2,490 rpm. The value helps verify equipment fit. It aids selection.

1~200-277 350 6600 1050 1350 2490 -
RH56I-ZID.GL.CR | ZIEHL-ABEGG 400V 4600W EC Impeller for HVAC Equipment Integration
RH56I-ZID.GL.CR | ZIEHL-ABEGG 400V 4600W EC Impeller for HVAC Equipment Integration

Suited to Ventilation Systems, ZIEHL-ABEGG RH56I-ZID.GL.CR is a 400 V EC centrifugal fan, presenting a listed airflow of 19,350 m³/h. It supports an evidence-based shortlist. The figure guides duty evaluation.

400 560 19350 1272 4600 1780 75
RH35C-ZIK.DC.CR | ZIEHL-ABEGG 3~380-480V 2500W EC Impeller for HVAC Customer Systems
RH35C-ZIK.DC.CR | ZIEHL-ABEGG 3~380-480V 2500W EC Impeller for HVAC Customer Systems

Specified for Ventilation, the ZIEHL-ABEGG RH35C-ZIK.DC.CR is a 380-480V EC centrifugal fan, for which the table lists a documented speed of 2,970 rpm. This enables specification-led selection.

3`380-480 350 - - 2500 2970 -
RH40C-ZIK.DC.CR | ZIEHL-ABEGG 3~380-480V 2300W EC Impeller for HVAC Customer Systems
RH40C-ZIK.DC.CR | ZIEHL-ABEGG 3~380-480V 2300W EC Impeller for HVAC Customer Systems

Designed for Ventilation, ZIEHL-ABEGG RH40C-ZIK.DC.CR is a 380-480V EC centrifugal fan, offering a documented speed of 2,400 rpm. The figure supports compatibility review. The value aids technical review.

3`380-480 400 - - 2300 2400 -
RH56V-ZIK.GG.1R | ZIEHL-ABEGG 3~380-480V 3100W EC Impeller for Production & Cleanroom Equipment
RH56V-ZIK.GG.1R | ZIEHL-ABEGG 3~380-480V 3100W EC Impeller for Production & Cleanroom Equipment

Adapted for Ventilation, the ZIEHL-ABEGG RH56V-ZIK.GG.1R is a 380-480V EC centrifugal fan, supported by a listed pressure capability of 1,050 Pa. It provides a traceable selection parameter.

3~380-480 560 14400 1050 3100 1560 84
RH56I-ZID.GG.CR | ZIEHL-ABEGG 400V 3400W EC Impeller for HVAC Equipment Integration
RH56I-ZID.GG.CR | ZIEHL-ABEGG 400V 3400W EC Impeller for HVAC Equipment Integration

Integrated into Ventilation Systems, the ZIEHL-ABEGG RH56I-ZID.GG.CR is a 400 V EC centrifugal fan, using a listed pressure capability of 1,090 Pa. The value helps verify equipment fit.

400 560 16488 1090 3400 1610 74
RH45G-4DK.4I.1R | ZIEHL-ABEGG 400V AC Impeller for Equipment Cooling & Ventilation
RH45G-4DK.4I.1R | ZIEHL-ABEGG 400V AC Impeller for Equipment Cooling & Ventilation

Selected for Ventilation Systems, the ZIEHL-ABEGG RH45G-4DK.4I.1R is a 400 V AC centrifugal fan, noted for 450 mm dimensions for installation planning. The data supports model-level evaluation.

400 450 - - - - -
RH22V-4IP.ZC.BR | ZIEHL-ABEGG 1~200-240V 170W EC Impeller for Production & Cleanroom Equipment
RH22V-4IP.ZC.BR | ZIEHL-ABEGG 1~200-240V 170W EC Impeller for Production & Cleanroom Equipment

Adapted for Ventilation, ZIEHL-ABEGG RH22V-4IP.ZC.BR is a 200-240V EC centrifugal fan, defined by a documented speed of 2,860 rpm. This helps guide installation planning. Its parameters help confirm system compatibility.

1~ 200-240 220 1420 780 170 2860 78
RH56V-ZIK.DG.1R | ZIEHL-ABEGG 3~380-480V 1500W EC Impeller for Production & Cleanroom Equipment
RH56V-ZIK.DG.1R | ZIEHL-ABEGG 3~380-480V 1500W EC Impeller for Production & Cleanroom Equipment

Specified for Ventilation, the ZIEHL-ABEGG RH56V-ZIK.DG.1R is a 380-480V EC centrifugal fan, combining its format with 560 mm dimensions for installation planning. It provides a practical sizing reference.

3~ 380-480 560 - - 1500 1230 -
RH35M-2DK.6K.3R | ZIEHL-ABEGG 230-400V 1550W AC Impeller for HVAC, Rail & Drying Equipment
RH35M-2DK.6K.3R | ZIEHL-ABEGG 230-400V 1550W AC Impeller for HVAC, Rail & Drying Equipment

Used in Ventilation Systems, ZIEHL-ABEGG RH35M-2DK.6K.3R is a 230-400V AC centrifugal fan, with a documented speed of 2,880 rpm. It gives project engineers a selection cue. It aids selection.

230/400 350 - - 1550 2880 -
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About Centrifugal Fan

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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