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Shipping International on All Orders. No Minimum Purchase






Lead Time: Usually ship in 5 days, Ship international
Base in Hongkong, Ship from HongKong
Delivery time around 5-8 days by UPS
If non-US clients require DDP Incoterms, please notify the seller via email after completing checkout, email: sales@axialfanz.com.
Professional centrifugal fan featuring dual-power operation (3.90/2.30KW) with variable speed 1300/1060 RPM and 3-phase 400V compatibility. German-engineered with 37kg industrial construction for exceptional durability exceeding 10 years, ultra-quiet performance, high energy efficiency, and powerful centrifugal airflow for versatile industrial applications.
German-engineered ZIEHL-ABEGG construction with 37kg robust industrial design ensures reliable, long-term operation exceeding 10+ years. Premium materials, precision manufacturing, and reinforced centrifugal fan components guarantee exceptional lifespan in demanding industrial environments with minimal maintenance requirements.
Optimized 1300/1060 RPM variable speed operation with advanced centrifugal fan design delivers exceptionally quiet performance. Precision engineering, vibration-damping technology, and aerodynamic optimization minimize noise across different speed settings, ideal for applications requiring adjustable airflow with low noise levels.
Dual-power rating (3.90/2.30KW) with efficient dual-current consumption (6.40/3.70A) provides superior energy flexibility and efficiency. This innovative design allows optimal operation at different power levels, reducing energy consumption while maintaining excellent performance for varying application requirements.
1300/1060 RPM variable speed operation combined with advanced centrifugal design generates powerful, adjustable high-pressure airflow. Superior air movement capabilities with speed flexibility make it perfect for applications requiring varying airflow rates for optimal system performance and efficiency.
The ZIEHL-ABEGG RD31S-VDW.6Q.AL is engineered for versatile applications across multiple industries requiring flexible, reliable centrifugal airflow solutions.
Innovative dual-power design (3.90/2.30KW) with variable speed operation (1300/1060 RPM) provides exceptional flexibility. This allows optimal performance adjustment based on application requirements, enhancing energy efficiency and system adaptability.
Advanced 3-phase 400V motor provides smooth, efficient power delivery with superior reliability. Dual current rating (6.40A at 50Hz, 3.70A at 60Hz) ensures optimal performance across different power frequencies, offering excellent operational flexibility.
37kg robust yet compact construction ensures excellent durability while maintaining space-efficient installation. German engineering standards guarantee reliable operation in demanding industrial environments with minimal maintenance requirements.
1300/1060 RPM speed variation allows precise airflow control for different operating conditions. This feature enables energy savings during partial load operation while maintaining optimal performance when full capacity is required.
| Model Number | RD31S-VDW.6Q.AL |
| Article Number | 57206344 |
| Motor Number | RZ31S-VDW.6Q.2L |
| Manufacturer | ZIEHL-ABEGG GERMANY |
| Product Type | Centrifugal Fan VARIABLE SPEED |
| Condition | Original new from manufacturer |
| Rated Power | 3.90/2.30 KW DUAL POWER |
| Rated Voltage | 3~400 V THREE PHASE |
| Frequency | 50/60 Hz |
| Rated Current | 6.40/3.70 A (50/60Hz) |
| Speed | 1300/1060 rpm VARIABLE SPEED |
| Net Weight | 37 kg INDUSTRIAL GRADE |
| Shipping Dimension | 65 × 65 × 60 cm |
| Country of Origin | Germany |
| HS Code | 8414599099 |
| Warranty | 1 Year Manufacturer Warranty |


Shipping, Warranty & ServiceShipping From: Dispatched from Hong Kong for efficient global distribution.
Processing Time: Orders are processed and ready to ship within 5 business days.
Express Delivery: Estimated delivery in 3-8 business days worldwide via DHL or UPS.
Warranty: Backed by a full 1-year manufacturer's warranty from ZIEHL-ABEGG.
Product Guarantee: We sell only genuine ZIEHL-ABEGG products guaranteed to meet all factory specifications for fit, form, and function.
Customer Satisfaction: Enjoy a 30-day return policy and our commitment to 100% customer satisfaction.
For Large Quantity Inquiries: Please contact our sales team at sales@axialfanz.com for volume pricing and custom quotations.
A: The dual-power design offers exceptional operational flexibility, allowing the fan to operate at different power levels based on application requirements. This enables significant energy savings during partial load conditions (2.30KW) while providing full capacity (3.90KW) when needed. The design optimizes energy consumption and extends equipment life by reducing unnecessary power usage.
A: Variable speed operation allows precise airflow control to match specific application requirements. The 1300 RPM setting provides maximum airflow for demanding conditions, while the 1060 RPM setting offers energy-efficient operation for reduced airflow needs. This flexibility enables optimal system performance, reduced noise levels at lower speeds, and significant energy savings in applications with varying load requirements.
A: The combination of dual-power capability and variable speed operation makes the RD31S-VDW.6Q.AL ideal for applications with changing ventilation needs. HVAC systems with varying occupancy, industrial processes with different production levels, or facilities with seasonal airflow requirements can all benefit from the fan's adaptability, ensuring optimal performance while minimizing energy consumption.
A: The 37kg compact yet robust design offers the perfect balance of durability and space efficiency. This makes the fan suitable for installations where space is limited but industrial-grade performance is required. The compact dimensions (65×65×60cm) facilitate easier installation in confined spaces while maintaining the reliability and durability expected from ZIEHL-ABEGG German engineering.
Contact our technical specialists for application-specific recommendations, performance data, or volume pricing for your flexible ventilation and cooling requirements.
Request Technical Support Request Volume Pricing
Gurantee genuine products from manufacturer
One Year Warranty
AXIALFAN One Year Warranty protects your purchase from Failure during normal use Up to one Year from the date of your purchase.
One Year Coverage from the date of Purchase - Included in the items Price 100% Coverage for Parts and Labor - No deductibles - Included in the items price Items repairs or the full price is refunded to you if we are unable to fix or repair One Year Warranty covers ALL items listed on our website Buyer pay shipping fees at your side when return products, seller pay replacement products' shipping fees.How can I get AXIALFAN One Year Warranty?
AXIALFAN One Year Warranty is included in the items price, you do not need to buy extra protection plan or additional warranties.
How do I purchase a AXIALFAN One Year Warranty?
When you complete the purchase from our website your warranty will be included with the purchase.
How long does coverage last?
Coverage is one year from the date of your purchase
When does coverage start?
Your coverage begins on the date of purchase. If the item you receive is not as it was described, you can return it for a full refund during the first 30 days from payment.
How much is covered?
For replacement payments: You are covered up to the maximum value you paid for the item. Once that amount has been paid out, your warranty is considered fulfilled.
For repairs: You're covered for multiple repairs, up to the maximum value of your item. Once the cost of repairs meets the full purchase price of the item, your warranty is considered fulfilled.
Software: Software issues are not covered.
You may return most new, unopened items within 30 days of delivery for a full refund. We'll also pay the return shipping costs if the return is a result of our error (you received an incorrect or defective item, etc.).
You should expect to receive your refund within four weeks of giving your package to the return shipper, however, in many cases you will receive a refund more quickly. This time period includes the transit time for us to receive your return from the shipper (5 to 10 business days), the time it takes us to process your return once we receive it (3 to 5 business days), and the time it takes your bank to process our refund request (5 to 10 business days).
If you need to return an item, simply login to your account, view the order using the "Complete Orders" link under the My Account menu and click the Return Item(s) button. We'll notify you via e-mail of your refund once we've received and processed the returned item.
We can ship to virtually any address in the world. Note that there are restrictions on some products, and some products cannot be shipped to international destinations.
When you place an order, we will estimate shipping and delivery dates for you based on the availability of your items and the shipping options you choose. Depending on the shipping provider you choose, shipping date estimates may appear on the shipping quotes page.
Please also note that the shipping rates for many items we sell are weight-based. The weight of any such item can be found on its detail page. To reflect the policies of the shipping companies we use, all weights will be rounded up to the next full pound.
