High Efficiency Ec Centrifugal Fans Backward Curved for Ahu (K-EC310-R230-29)

• Customization: Available
• Material: Stainless Steel
• Usage: for Experiment, for Air Conditioner, for Manufacture, for Refrigerate
• Model NO.: K-EC310-R230-29
• Flow Direction: Centrifugal
• Pressure: Medium Pressure
• Certification: RoHS, CE, CCC, UL
• Impeller Material: Aluminiium Alloy
• IP Grade: IP55
• Insulation: B
• Bearing: Ball Bearing
• Speed Control: 0-10V DC/PWM
• Transport Package: Carton Box; Wooden Pallet
• Specification: 310mm
• Trademark: Krubo
• Origin: China
• HS Code: 8414599050
• Production Capacity: 10, 000pieces/Year

Product Description

Product Description

Product Parameters

Company Profile

Business Type:	Manufacturer / Factory,
Main Products:	Centrifugal Fans, Axial Fans, Duct Fan, EC Fan, Cross Flow Fan, Q Motor, etc.
Registered Capital:	2,000,000 RMB
Plant Area:	>20,000 square meters
Management System Certification:	ISO 9001, QC 080000
Average Lead Time:	Off Season Lead Time: within 15 workdays Peak Season Lead Time: one month

Frequently Asked Questions (FAQ)

Q1: Who are you?
A1: KRUBO brand was proudly established in Germany, uniting a team of elite technical experts with over 20 years of experience in the fan industry. Our mission: to create a dynamic enterprise that excels in the sophisticated design, innovative development, precision production, and OEM sales of high-quality motors and fans. KRUBO is strategically headquartered in Dusseldorf, Germany, with its Chinese hub located in the vibrant city of Tianjin. In Changzhou, China, known as the "Hometown of World Motors," we operate two state-of-the-art manufacturing plants dedicated to delivering bespoke OEM fan solutions to our global clientele.

Q2: How long is your lead time?
Our extensive inventory ensures that sample products are readily available, while our streamlined processes typically allow for batch deliveries to be completed within 14 days. Operating from our two expansive factories in China, with production facilities spanning over 20,000 square meters,²we leverage two decades of fan R&D and manufacturing expertise. A suite of automated production systems and a robust stockpile of raw materials empower us to guarantee prompt and consistent delivery timelines..

Q3: What products can I purchase from your side?
Our diverse product range includes premium Axial flow fans, Centrifugal fans, state-of-the-art EC fans, reliable AC and DC fans, Q Motors, Cross Flow Fans, Duct fans, and more.

Q4: What are your advantages compared with others?
Our seasoned professional team delivers tailor-made solutions,,
offering complimentary fan selection and product simulation structure optimization,
bolstered by robust production capabilities ensuring swift delivery,
all from a genuine source manufacturer.

Q5: What else services can you offer to help?
Our expertise in heat transfer technology allows us to provide advanced heat conduction simulation and optimization for small appliances, air conditioners, new energy solutions, water purification systems, precision molds, and intelligent equipment.
In terms of mechanics, we offer mechanical structure simulation, machine tool structural mechanics optimization, and cutting tool structural analysis.

Q6: What are your famous partners?
We proudly serve as high-quality R&D suppliers, and we are honored to be ranked within the top 15% of Siemens suppliers.

Q7: Can you do OEM for me?
A3: We accept all kinds of OEM orders, just contact us and give me your requirement. We will offer you a reasonable price and customize sample product for you ASAP.

Q8: When can I get the quotation?
A7: We usually quote you within 24 hours after we get your inquiry. If you are very urgent to get the quotation. Please call us or tell us in your mail, so that we could regard your inquiry priority.

Q9: How about warranty?
A7: All KRUBO product generally promise you 18 months of warranty, and 24 months for special industries or products, which is much longer than many other brands.

Q10: If you accept small orders?
A1: Small orders acceptable for us. We could delivery sample in very short time for your test and checking.


About Us

KRUBO is a manufacturer of HVAC fans, blowers, motors and components, such as centrifugal fans, axial fans, cross flow fans, single/double forward curved fans, AC/BLDC/ECM motors as well as industrial fan blowers, equipped with high advanced testing and production facilities, automatic welding machines, CNC machining centers, injection machines. With over than 20 years manufacturing experiences, KRUBO is very skilled in designing, developing and manufacturing, and exporting to all over the world.

KRUBO has large products range which could offer customers a more perfectly products solutions by not only producing fans and motors, but also do the perfectly motor and fans matching, and offering good quality and very competitive prices by large scale productions. We expects all our customers have their 100% satisfied solution in fans and motors.

Our mission is to offer the best fans and motors solutions to the customers in applications of Heating, ventilation, and air conditioning, home appliances, and air purifier, floor heating and many other industries.

Welcome more customers from all walks of life to contact us for future business relationships mutual success. Our joint venture will benefits both our parties. We supply the best products at the best prices to ensure our customers have everything they need to fit their budget.

Our Solutions

KRUBO Founded in Germany in 2019, Krubo Motor (Tianjin) Co., Ltd brings together a constellation of top technical talent, each boasting over two decades of experience in the fan industry. This assembly of expertise has been instrumental in shaping a dynamic enterprise that excels in the design, development, production, and OEM sales of premium motors and fans.

KRUBO is strategically headquartered in the bustling city of Dusseldorf, Germany, with its Chinese headquarters gracing the vibrant city of Tianjin. Further cementing its global footprint, KRUBO operates two state-of-the-art chemical plants in Changzhou, China, famously dubbed as the 'Hometown of World Motors,' offering tailored OEM solutions for fans to a worldwide clientele.

Benefiting from the latest in EC and AC technological advancements, KRUBO has crafted an extensive array of motors and fans, catering to a global audience. This impressive lineup includes axial fans, backward curved fans, forward curved fans, and powerful blowers. With an unwavering passion, KRUBO is dedicated to refining its product offerings and tirelessly aims to exceed client expectations, leaving no stone unturned in pursuit of excellence.

Our OEM product range encompasses axial flow fans, backward centrifugal fans, forward centrifugal fans, the advanced EC series fans, and robust blowers. These products find applications across a diverse array of sectors ranging from ventilation, purification, refrigeration, and energy storage, to new energy solutions, heating, rail transit, buses, and beyond.

KRUBO upholds the noble tenets of 'high starting point, high standard, and high requirements,' with customer satisfaction as the benchmark. Guided by an unwavering commitment to 'cooperation, win-win, and innovation,' KRUBO focuses on pioneering smart, energy-efficient technologies to ascend as the world's premier brand in smart, energy-saving fan solutions.

Since its inception, KRUBO has successfully produced an astounding 30 million OEM fans, serving an eclectic mix of industries with unwavering quality and earning unanimous praise from satisfied customers across the globe. KRUBO warmly invites you to explore exciting collaboration opportunities!

Our R&D

team, along with our technical support, is committed to seamlessly integrating cutting-edge external motor technology with sophisticated electronic control circuits and aerodynamically designed fan impellers. This commitment ensures the delivery of innovative fan solutions tailored to meet diverse customer needs across various applications. Through pioneering fan solutions, backed by state-of-the-art experimental frameworks, equipment,instrumentation, and tools in our laboratory facilitate rigorous testing of motor reliability and fan air performance, ensuring exceptional results.

We offer expert heat conduction simulation and optimization for small household appliances, air conditioners, new energy systems, water washing solutions, precision molds, and intelligent equipment, enhancing their operational efficiency. Additionally, we provide sophisticated mechanical structure simulations, strategic machine tool structural mechanics optimization, and cutting tool structure optimization, which elevate performance and reliability to new heights.

Our advantages

• are groundbreaking, with our ECM motorized fans demonstrating efficiency gains between 30% and 60% over traditional motors.
• We have achieved seamless step-less speed control and refined communication compatibility with customers' products, setting new benchmarks in innovation.
• Our products boast an impressive life span of up to 40,000 hours, embodying durability.
• Customization options available include IP55 and IP68 ratings, ensuring flexibility and resilience across various applications.
• Our motors feature sine wave, three-phase designs that eliminate electromagnetic-acoustic noise, alongside a plethora of protective functions such as soft start, overload protection, and motor block safeguards,ensuring unmatched performance and reliability.