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Description
RE31P-4DK.6K.1L ZIEHL-ABEGG Centrifugal Fan 3~400V 2.2/2.5kW 2.1/3.7A 1290/1510rpmZIEHL ABEGG RE31P 4DK. 6K. 1L Centrifugal Fan German Made Dual Speed 2. 2kW ZIEHL ABEGG RE31P 4DK. 6K. 1L Centrifugal Fan DUAL SPEED 2. 2 2. 3kW 400 690V GERMAN ENGINEERING High performance industrial dual speed centrifugal fan engineered for extreme durability (>10 years), whisper quiet operation, ultra low energy consumption, and powerful high volume airflow. Perfect for heavy duty HVAC, industrial ventilation, cooling towers, and critical thermal
ZIEHL-ABEGG RE31P-4DK.6K.1L Centrifugal Fan
⚡ DUAL-SPEED | 2.2/2.3kW | 400-690V | GERMAN ENGINEERING
High-performance industrial dual-speed centrifugal fan engineered for extreme durability (>10 years), whisper-quiet operation, ultra-low energy consumption, and powerful high-volume airflow. Perfect for heavy-duty HVAC, industrial ventilation, cooling towers, and critical thermal management.
📄 Download Official Datasheet (PDF)Core Performance Advantages
10+ Years Industrial Durability
German-engineered by ZIEHL-ABEGG with robust 19kg heavy-duty construction, premium sealed bearings, and reinforced housing. Proven to operate reliably for over a decade in the harshest industrial environments.
Ultra-Quiet Operation
Aerodynamically optimized centrifugal impeller and precision dynamic balancing deliver exceptionally low noise levels at both speed settings. Ideal for noise-sensitive facilities despite high power output.
Energy Saving / Low Power Draw
Efficient dual-speed motor: 2.2/2.3kW with only 37/2.1A current draw at 400-690V three-phase. Exceptional energy efficiency for continuous 24/7 industrial operation.
High Airflow & Superior Cooling
Dual-speed operation at 1290/1510 rpm generates exceptional centrifugal airflow with high static pressure. Provides outstanding heat dissipation for large industrial equipment, cooling towers, and heavy machinery.
Applications Across Industries
The RE31P-4DK.6K.1L is a versatile solution for demanding ventilation and cooling challenges across global markets.
🏭Industrial Ventilation
❄️Commercial Air Conditioning
🧊Industrial Refrigeration
🔥Heating Systems
⚙️Electrical Automation
🔌Frequency Converters / VFD
🚄Rail Transportation HVAC
🏢HVAC (FFU/AHU) Systems
🌫️Air Purification
🚗New Energy Vehicles
🏗️Process Cooling
💻Data Center Cooling
⚡Power Plant Ventilation
🏥Hospital HVAC
🔬Laboratory Ventilation
📡Telecom Equipment Cooling
🔋Battery Storage Systems
🌾Agricultural Ventilation
🚢Marine & Shipboard HVAC
🏗️Cooling Towers
🏭Heavy Machinery Cooling
🔧Factory Automation
Technical Specifications
| Model NumberROS | RE31P-4DK.6K.1L 100% GenuineROS |
| ConditionROS | Original new from manufacturerROS |
| PowerROS | 2.2 kW / 2.3 kW Dual-Speed Heavy DutyROS |
| VoltageROS | 3-400-690V / 50-60Hz Three PhaseROS |
| CurrentROS | 37 A / 2.1 AROS |
| SpeedROS | 1290 rpm / 1510 rpm Dual-SpeedROS |
| FrequencyROS | 50/60 Hz Dual FrequencyROS |
| ManufacturerROS | ZIEHL-ABEGG Made in GermanyROS |
| HS CodeROS | 8414599099ROS |
| Country of OriginROS | GermanyROS |
| Product TypeROS | Centrifugal Fan Industrial GradeROS |
| WarrantyROS | 1 year manufacturer warrantyROS |
| Net WeightROS | 19 kgROS |
| Shipping DimensionROS | 31 × 31 × 30 cmROS |
| Ship FromROS | Hong KongROS |
| Lead TimeROS | 5 business daysROS |
| Delivery TimeROS | 3-8 business days worldwideROS |
| Ship ByROS | DHL / UPS ExpressROS |
✓ Sell and ship only genuine products from factory.
✓ Promise Meet all factory specs fit form and function.
✓ 30 days returns policy, 100% customers satisfaction.
✓ Large quantity inquiry please contact email: [email protected]
Engineering Excellence
🛠️ Heavy-Duty German Bearings
Precision industrial-grade ball bearings with high-temperature grease ensure maintenance-free operation beyond 10+ years even under extreme continuous loads and harsh environments.
🔇 Noise-optimized Centrifugal Design
Advanced aerodynamically optimized impeller blades and dynamically balanced rotor reduce turbulence and noise at both speed settings. Perfect for noise-sensitive environments.
⚡ Ultra-Efficient Dual-Speed Motor
2.2/2.3kW with only 37/2.1A current draw delivers exceptional energy savings. Dual-speed flexibility allows selection between maximum airflow or energy-saving mode.
💨 Extreme Airflow & Static Pressure
Dual-speed 1290/1510 rpm design generates massive centrifugal air movement for superior heat dissipation in large industrial machinery, cooling towers, power plants, and heavy-duty HVAC systems.
🚚 Shipping & Service Guarantee
Shipping From: Hong Kong – efficient global distribution hub.
Processing: Orders ship within 5 business days.
Express Delivery: 3-8 business days worldwide via DHL or UPS.
Genuine Promise: Only original ZIEHL-ABEGG factory-sealed products, meet all fit, form and function specifications.
Warranty & Returns: 1-year manufacturer warranty + 30-day hassle-free returns.
📦 Bulk / Large Quantity Inquiries: Contact [email protected] for volume pricing and custom logistics solutions.
❓ Frequently Asked Questions
Q1: How does this fan achieve over 10 years of reliable operation?
The RE31P-4DK.6K.1L features heavy-duty die-cast housing, German-made premium industrial bearings, and a thermally protected motor. ZIEHL-ABEGG's rigorous testing ensures it withstands dust, humidity, vibration, and continuous duty cycles beyond a decade.
Q2: Is it quiet enough for commercial environments despite its power?
Yes. Thanks to its precision-balanced centrifugal impeller and optimized blade design, noise levels are remarkably low for its 2.2kW power class, making it suitable for commercial buildings, hospitals, and office HVAC systems.
Q3: How does the dual-speed feature benefit my application?
Dual-speed operation (1290/1510 rpm) allows you to select lower speed for energy-efficient background ventilation or higher speed for peak cooling demands. This flexibility reduces power consumption by up to 30% compared to single-speed fans.
Q4: What cooling performance can I expect for large industrial applications?
The powerful dual-speed centrifugal design delivers exceptional airflow and static pressure, ensuring superior heat dissipation for cooling towers, power plants, industrial machinery, data centers, and heavy-duty HVAC applications under extreme thermal loads.
Need Expert Advice or Volume Discounts?
Our technical team is ready to assist with application matching, performance data, and custom quotations for OEM and industrial projects.
📧 Request Technical Support 💰 Request Volume PricingCustomer Testimonial
"We installed the RE31P-4DK.6K.1L in our manufacturing plant's air handling unit, and the performance has been outstanding. After 18 months of continuous 24/7 operation, it runs smoothly with minimal noise despite the powerful 2.2kW output. The dual-speed flexibility allows us to save energy during off-peak hours—the 37/2.1A current draw is incredibly efficient. The 19kg German build quality is rock solid. Perfect for demanding industrial environments where reliability and energy savings are critical. Highly recommended for heavy-duty ventilation and HVAC applications!"
— Robert Chen, Plant Operations Manager
Verified Buyer · Industrial Manufacturing Plant · April 2026
* All products are 100% genuine ZIEHL-ABEGG. Specifications are subject to manufacturer updates. Contact us for compatibility check. Large quantity inquiry please contact email: [email protected]
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy
4.3 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 1
After five months, it's basically a brick
Color: White
We've had this robot for five months, and it isn't durable. It worked fine for a couple months. But now it works fine for maybe 20 minutes and then just starts spinning around or going back in forth in the same area wasting its battery. The endless troubleshooting does not help. Cleaning all the sensors, resetting the robot, remapping the house ... Nothing helps. It is only being used in about 1100 sq ft of total space, so it's just not that complicated. It's been trying (and failing) to vacuum our smallish living room for nearly five hours, after several resets/etc. Back when it did function, the vacuum is rather loud if you want it to actually pick up anything big enough to see. The vacuum and mop are both terrible at inner corners, and the intersection between rugs and hardwood flooring is a total miss. There's like a 12" strip along all rugs where mopping never occurs. Definitely not a machine to be used without supplemental sweeping and mopping. The machine insists on starting rugs at the corner, so it pulls up even pretty heavy rugs sometimes. It's sucks up items like socks instead of avoiding them. Also, the machine has never successfully left alone no-vacuum rugs or no-go areas, so some rooms (like with high pile rugs or Christmas tree stands) just don't work without physical barricades. Really, really makes me miss the old reliable roombas...
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Reviewed in the United States on April 21, 2026
★★★★★ 5
This vacuum is a game changer
Color: White
Not all robotic vacuums are the same, and after testing so many of them in my life this one has outperformed the others hands down! From the suction power, to the battery life, and then the app I can't find a single thing I don't love.
The robot is and to pickup small crumbs, dirt, the typical messes, but most importantly it picks up kitty litter like it's nothing. This is an instant game changer. I no longer need to clean up after a robot. It's amazing!
The battery life is great! I have a 2500 sq ft house and it can handle all of it before charging. The "home base" makes this effortless where I just schedule my cleans and it takes care of the rest.
The app is really nicely built. It's simple and easy to navigate but it also gives me all of the advanced options such as invisible walls and no-go zones.
Overall, this is robotic vacuum is my new go-to and I look forward to using it for many years to come!
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Reviewed in the United States on April 14, 2026
★★★★★ 4
$500, not $600. It isn’t worth $600
Color: White
You’re gonna need to put on some glasses and grab a drink for this one.
Cons :
- Has issues with “muddy mats” brand rugs and mats, along with light mats
- It ate my socks
- Will molest your standing fans and shoes and pet toys
- Castor wheel is a hair magnet along with the “tangle less” floating brush
- Mop heads get dirty after just one run of the entire house
- It hates charging cables
- And dryer sheets
PROS:
- Smarter than Shark brand vacuums
- Excellent management of houses and avoiding most obstacles
- It mops and vacuums well
- Cleaning is very easy
- Cat litter gets sucked up on the strong setting (not the super strong, though that works too)
- Battery lasts for vacuuming most of the house
- No navigation issues
- Doesn’t mess up your furniture
- IT WORKS IN THE DARK
the floating brush though where the metal shaft sits inside the brush itself and the miniscule space between the spinning part and the brush itself gathers hair like a magnet and will give constant roller brush errors if not regularly cleaned. The castor wheel I swear has more hair than anything I’ve seen. Even the shark didn’t collect it this bad.
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Reviewed in the United States on April 17, 2026
★★★★★ 5
Value for Money- Exceptional performance and features!!!!
This vacuum/mop system is wonderful! I highly recommend it. This is bi-far the best vacuum and moping system which effectively cleans my floors and carpet. I've always been on the lookout for anything that can lighten my cleaning load.
it’s been a real game-changer for my household routine. The self-washing and self-charging features are a huge win. I no longer have to worry about cleaning the mop or making sure it’s charged; it takes care of itself.
It moves around furniture and other obstacles smoothly, rarely bumping into anything. It easily navigates tight spaces and corners, making sure every area gets cleaned.
Value for Money: Considering all its features and how well it cleans, I think it’s a fantastic investment. It’s made keeping my home clean so much easier and less time-consuming.
The robot vacuum was able to map my house successfully, the battery life is a bit longer than my previous robot vacuums, the suction is also great. I saw it go over crumbs in the kitchen and it picked up without any problems, and also has a mop functionality. It has a functioning app, very easy to use. The vacuum is also very quiet. By far, this is my favorite robot vacuum and I’ve tried many as I do not like to go around the house mopping and vacuuming. 10/10 would recommend this model - worth the investment.
Overall I could not be happier with this purchase, my home is the cleanest it has been since I’ve first moved in.
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Reviewed in the United States on May 12, 2025
★★★★★ 5
A blessing for “unforgiving” flooring
We bought an 1800s home that was 90% hardwood, but the previous owner made the decision to tear out the hardwood in the kitchen. Unfortunately for us, the flooring we picked to replace it was what I call a very unforgiving. I didn’t realize it until it was too late, but it shows every speck of dust and every muddy paw print. With two dogs, my floors looked like they had not been cleaned in years, but it was being mopped on a daily basis.
Enter the Narwal. I’ve included a photo of what the floor looks like today post-clean on a typical winter day in the north (dogs and people running in and out, tracking and mud and snow everywhere). Look at it! It has a shine! In an hour, it will be dull again from the dogs’ next foray into the snowy yard, but right now…glorious! But the best thing is, I no longer care about the dogs tracking up the floor. I can just run the Narwal again. No real extra labor on my part (other than occasionally needing to fill the water container).
I want to add a couple of points that I find interesting or that I think people might want to know to make their decision.
Both the roller and the side sweeper brushes are meant to prevent hair from getting wound around them. So far I have found this to be true. You can see the videos the manufacturer has provided that show how this works, so I won’t bother to explain it, just point out that I’ve found it does work. I haven’t had to cut any hair out of the roller since I’ve gotten it, and that was previously a weekly thing.
It does not self empty after vacuuming. However, it compresses the hair and dirt to take up less space. So while I was emptying my big self-emptying canister (on my Shark) about once a month before, I’ve only actually emptied this smaller dust bin once every one to two weeks. Initially, I was worried that this meant it wasn’t picking up as much debris and hair, but upon review, I discovered the compression factor they describe. You also have the option of using dust collection bags that you can take out and dispose of. To be more environmentally friendly, I have not chosen that option, but for people that may have issues with dust, I’m glad it is an option.
It self-cleans and dries the mop pads quite well. I did pick up replacements so that I could wash them, but I’ve needed to wash them with far less frequency than I expected. When I do pull them off to wash, I don’t notice any odor like I was expecting.
The mop water is used to both clean the floor and wash the mop pads. I think the majority of the water usage is to clean the pads, however. So you will need to refill that every 2 to 3 mops probably depending on how big your house is. You can use it with or without Narwal cleaner - do not use other cleaners, or you risk the device dying or messing up your floors due to over foaming.
My one tip is to use any leftover mop cleaner you may have from your regular mopping, and add a capful into the dirty water bin after you empty and rinse it each time. Because if you do not empty that out every day, the stagnant water WILL be stinky. A little scented floor cleaner has seemed to improve that dramatically for me.
Is it expensive? Yes. Is it worth it? RESOUNDINGLY yes. I no longer have to kill myself to have clean floors. And that is the best gift to give myself.
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Reviewed in the United States on December 15, 2025