High-Efficiency Centrifugal Fan for Large Indoor Air Exhaust

Customization: Available
Material: Iron
Usage: for Manufacture

Product Description

📊 Basic Information
Model NO.
CRT backforward curved centrifugal fan
Flow Direction
Centrifugal
Pressure
Medium Pressure
Certification
ISO, CE, CCC
Power
0.25~11kw
Supply Power
50Hz, 60Hz, Customized
Warranty
12 Months
Custom Support
OEM, ODM
Trademark
LSFAN
HS Code
8414593000
⚙️ Product Description
Centrifugal Fan for Large Building Indoor Air Exhaust

CRT series backforward curved centrifugal fan features a design tailored for high performance. The impeller is engineered as a backforward curved type, delivering significant air volume with minimal noise and no overload risks. The direct drive system ensures simple installation and maintenance.

Centrifugal Fan Main

Structural features:
The fan material is available in steel plate (spray ring gas resin) or high-grade stainless steel. Suitable for diverse industrial and ventilation environments.

  • Model range: NO.280-710 (9 models available)
  • Air volume range: 1200-29000m³/h
  • Total pressure range: 79-1850Pa
  • Application: Ideal for ventilation and air exchange in factories and large commercial buildings.
Fan View 1
Fan View 2
Fan View 3
📋 Technical Parameters
Model Speed (rpm) No. Air Volume (m³/h) Static Pressure (Pa) Total Pressure (Pa) Power (kw) Voltage (V) Hz dB(A) Weight (kg)
CRT2801420112002452610.25380505822
21556194221
32000114158
423561879
CRT3151420113503183300.25380506129
21750260280
32250168200
4265055100
CRT4001420125004935100.55380506744
23000476500
34500246300
45000183250

* We have more models available, please contact us for full technical specifications.

📷 Workshop & Production

Assembled products in our professional workshops:

Workshop Assembly

Advanced Production Process:

Production 1
Production 2
Production 3

Our process includes: Laser cutting, CNC bending, robotic arm welding, dynamic balancing, spraying, and rigorous testing before packing.

🏢 Enterprise Profile
Enterprise Scale

Established in 2009, the enterprise is a high-tech company focused on designing and manufacturing industrial blowers. With over 30,000 square meters of production base and advanced R&D laboratories, we specialize in custom-made fans for shipbuilding, high-speed rail, tunnels, and chemical plants.

We are ISO:9001 and 3C accredited, holding CE certificates and over 50 national patents. Our team of 150+ employees, including expert R&D technicians, ensures superior product quality and engineering expertise.

Certification 1
Certification 2
🤝 Global Partners
Partner logos 1
Partner logos 2
❓ Frequently Asked Questions
1. What information is needed to get a fan quotation?
Please provide the air flow rate/volume (m3/h), total or static pressure (Pa), the intended purpose, and the use environment (temperature and atmospheric pressure).
2. Are you a direct manufacturer?
Yes, we operate a factory exceeding 30,000 square meters and have focused on fan and blower manufacturing for over 15 years.
3. What is your warranty policy and after-sales service?
We provide a 12-month warranty. Our professional team responds to inquiries within 24 hours. During the warranty, spare parts are free; beyond that, they are provided at market price.
4. How is product quality guaranteed?
Our quality department inspects every stage of production. Additionally, every completed fan undergoes multiple rounds of functional testing.
5. Do you offer OEM or ODM services?
Yes, we have a professional technical team capable of customizing products according to your specific industrial requirements.
6. What certifications do your products hold?
Our fans are certified under ISO:9001, CE, and 3C, ensuring compliance with international safety and quality standards.

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