AC Forward Curved Centrifugal Fans - AC Forward Blowers

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AC Forward

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Max.Air Flow(m³/h)

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Max.Pressure(Pa)

Input Power(W)

80 85 50 19.5 65 13 20 48 67 150 25 38 32 90 27 52 43 70 53 110 140 220 47 115 350 135 130 185 370 190 160 95 2180 390 225 145 42 75 200 305 430 105 180 240 400 170 310 210 340 4380 62 205 35 1320 380 980 335 420 385 365 100 245 300 165 57 345 60 34 58 28 260 250 375 98 270 125 24 55 61 93 88 102 155 280 82 117 246 231 44 33 285 455 215 107 112 265 51 92 22

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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)

R2E133-BH66-05/A02 \| ebm-papst 230V 27W Centrifugal Fan for Automation	230	133	340	180	27	3300	-
R2E133-BH66-05/A01 \| ebm-papst 230V 27W Centrifugal Fan for Cleanroom	230	133	-	-	27	3300	-
R2E133-BH66-05 \| ebm-papst 230V 24W Centrifugal Fan for Cleanroom	230	133	290	130	24	2800	-
R2D225-RA31-19 \| ebm-papst 400V 125W Centrifugal Fan for Automation	400	225	1115	300	125	2100	53
R2D220-AC14-19 \| ebm-papst 460V 115W Centrifugal Fan for Automation	460	220	1085	400	115	3080	-
R2D190-AC22-12 \| ebm-papst 460V 62W Centrifugal Fan for Automation	460	190	670	263	62	2770	-
R2D225-RA26-20 \| ebm-papst 400V Centrifugal Fan for Automation	400	225	-	-	-	-	-
R2D220-AB02-19 \| ebm-papst 400V 115W Centrifugal Fan for Automation	400	220	1070	400	115	3200	-
R2D250-RB16-09 \| ebm-papst 400V 350W Centrifugal Fan for Automation	400	250	1710	680	350	3050	65
R2D225-AV02-18 \| ebm-papst 400V 115W Centrifugal Fan for Automation	400	225	-	-	115	2650	-
R2D225-AT26-15 \| ebm-papst 460V 135W Centrifugal Fan for Automation	460	225	1090	54	135	3200	-
R2D280-AF10-15 \| ebm-papst 400V Centrifugal Fan for Automation	400	280	-	-	-	-	-
R2D250-RA10-15 \| ebm-papst 400V 270W Centrifugal Fan for Automation	400	250	1560	500	270	2600	60
R2D225-RA26-23 \| ebm-papst 400V 200W Centrifugal Fan for Automation	400	225	1270	500	200	2700	-
R2D225-AV02-24 \| ebm-papst 400V 160W Centrifugal Fan for Automation	400	225	-	-	160	2950	-
R2D225-AQ02-12 \| ebm-papst 400V 250W Centrifugal Fan for Automation	400	225	1395	400	250	3000	-
R2D190-AC08-09 \| ebm-papst 415V 43W Centrifugal Fan for Automation	415	190	585	-	43	2500	-
R2D250-RA10-12 \| ebm-papst 400V 270W Centrifugal Fan for Automation	400	250	1560	500	270	2600	60
R2D250-AF10-11 \| ebm-papst 460V 245W Centrifugal Fan for Automation	460	250	1660	600	245	3000	-
R2D225-RA26-15 \| ebm-papst 400V 150W Centrifugal Fan for Automation Aimed at Automation, the ebm-papst R2D225-RA26-15 is a 400 V AC forward-curved centrifugal fan, with a focus on 225 mm dimensions for installation planning. This assists electrical and mechanical review.	400	225	-	-	150	2530	-

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About AC Forward

AC forward curved centrifugal fans use impellers with blade tips angled in the direction of rotation, which creates a velocity multiplier effect — these fans can produce very high airflow rates at moderate static pressures relative to their physical size and motor power. Forward curved centrifugal fans are the preferred choice for HVAC air handling units, where large volume airflow is needed with moderate duct resistance, and for applications requiring compact dimensions relative to airflow output. They are also widely used in fume extraction, dust collection systems with light loading, and industrial process ventilation. The main trade-off compared to backward curved impellers is lower aerodynamic efficiency — forward curved designs typically operate at 55-65 percent efficiency versus 70-85 percent for backward curved types. Important specification parameters include impeller diameter, motor speed (RPM), airflow (m3/h or CFM), static pressure (Pa or mm WG), and sound power level. Leading manufacturers supplying AC forward curved centrifugal fans include ebm-papst (in its A series), ZIEHL-ABEGG, Rosenberg, and SODECA. Hengrui offers competitive factory-direct pricing and engineering consultation for AC forward curved fan selection.

How to Select the Right AC Forward

Before comparing models of AC Forward, write down the real operating requirements: required airflow, system static pressure, available installation space and the electrical supply on site. A selection that ignores any of these four factors usually ends in returned goods or on-site retrofits.

Voltage and control define the shortlist. Standard options include 12/24/48 V DC and 115/230 V AC; for applications where operating points move, EC fans with PWM or 0-10 V input give precise speed control, and a tach signal provides the feedback many safety systems require.

Environmental conditions eliminate unsuitable models faster than any catalog filter. Check the ambient temperature range, required IP protection for dust and moisture, and the expected service life — ball-bearing units hold their noise and airflow figures far longer than sleeve-bearing designs in vertical or high-temperature positions. If the equipment must ship into regulated markets, verify UL, CE and RoHS compliance at this stage, and set a realistic noise target in dBA so acoustic requirements do not surface after installation.

Close the selection by de-risking the order: verify stock levels, confirm production lead time, and request datasheets plus dimension drawings for the final candidates so the mounting holes and connectors are checked before purchase. Share your operating point with us and we will validate the fit 269 products in this category are ready for comparison.

Typical Applications and Use Cases for AC Forward

Across our project record, AC Forward are specified wherever equipment must stay cool and air must keep moving: data centers and server rooms, commercial refrigeration, air handling and ventilation systems, telecom and battery cabinets, industrial machinery, and power electronics in the new-energy sector. What these projects share is a simple truth — the fan is small in cost but decisive for uptime, so it deserves the same engineering attention as the equipment it protects.

In a recent retrofit project, a customer's cooling unit had to keep running while its worn fan was exchanged. We identified a current-series replacement with identical mounting dimensions and an equivalent airflow-pressure curve, confirmed the tach output compatibility, and the installation was finished within a single maintenance window.

A second frequent case is refrigeration service: a condenser or evaporator fan fails and the exact original model is on long lead time. Instead of waiting, we check bearing type, IP rating, blade diameter and speed, then offer an equivalent that restores capacity immediately — one of the most common ways our stock protects cold chain operations.

New builds and replacement projects on ebmpapst equipment follow the same path at our company: you send the required airflow, pressure and dimensions; we respond with a shortlist, performance curves and firm delivery dates.

Frequently Asked Questions About Buying AC Forward

Can you replace my existing AC Forward 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.

Can I order a single piece or request a sample before a bulk purchase?

Single-piece orders and samples are welcome — many customers validate one unit in their system before committing to volume. There is no minimum order quantity for standard stock models, and the sample price is deducted from the bulk order in most repeat purchases. Tell us the quantity you plan to use and we will quote both scenarios.

Do you support customized or OEM versions of AC Forward?

Yes. Beyond catalogue models we can discuss modified lead wires, connectors, speed curves, IP upgrades or private-label packaging for OEM projects. Customization usually starts from a defined annual quantity; our engineers will review your requirement and confirm feasibility, tooling cost and lead time before any commitment.

Bag

Bag packaging indicates that a specified quantity of product is packaged by the manufacturer in a bag, sealed pouch, or similar container and sold as a unit without repackaging. It is also used to describe kits/assortments where components are packaged in separate bags according to part number or parametric value, rather than in a compartmentalized box or similar rigid container.

AC Forward

AC Forward

By type

By industry

Rated Voltage(V)

Size(mm)

Max.Air Flow(m³/h)

Max.Pressure(Pa)

Input Power(W)

Speed(rpm)

Noise(db)

Stocking Options

Environmental Options

Media

Exclude

Applied Filters

About AC Forward

How to Select the Right AC Forward

Typical Applications and Use Cases for AC Forward

Frequently Asked Questions About Buying AC Forward

Can you replace my existing AC Forward from another supplier or a discontinued model?

Can I order a single piece or request a sample before a bulk purchase?

Do you support customized or OEM versions of AC Forward?