Centrifugal Fans, Forward Curved, Technical Features Overview
Higher Air Pressure with Lower Noise and Power Consumption
PBM centrifugal fans with forward curved impeller designed as freewheels fans, with and without scroll housing optional.
The fans could be installed at any directions by extremely compact size, and optimized output air performance without scroll housing necessary to lower noise at customer requested higher air pressure output in their ventilation duct system or unit box of different materials, such as galvanized metal, aluminum, copper, PE, PVC, polyfoam etc.
AC and DC power supply are available for entire range of fans with integrated and intelligence EC technology motor with inside or outside mounted international standard remote control R485 communication protocol that’s suitable to be adopted in IoE(Internet of Everything), IoT(Internet of Things), smart home system, Industry 4.0 and committed to Carbon Neutrality climate change by reducing customers carbon footprints.
PFC(Power Factor Correction), up to λ>96%, is optional for electricity grad stabilization compliance in certain circumstances of applications. ErP2015 (Energy-related Products) Directive conformity, COMMISSION REGULATION (EU) No 327/2011 of 30 March 2011 implementing Directive 2009/125/EC of the European Parliament and of the Council with regard to eco-design requirements for fans driven by motors with an electric input power between 125 W and 500 kW.

Impeller Sizes: From 108mm to 200mm diameter;
Sound Level: From 60dBA to maximum 77dBA according different rotation speed;
Airflow: Maximum to 1,700CMH, Cubic Meter per Hour, equal to approx. 1,000CFM , Cubic Feet per Minute;
Air Pressure: Maxim to 666Pa, equal to 68mm H2O and to 2.68 inches H2O;
Power: Maximum motor input power goes to 510W (equal to 0.69hp, horsepower) at motor diameter 102mm.

EC Centrifugal Fan Forward Curved D(108-200)

Application
Powerful, clean airflow for air purifiers. High static pressure, low noise, high-efficiency filtration, rapidly circulating indoor air to remove particles and pollutants.
Precision cooling for IT and electronics. High static pressure, low vibration, clean airflow for servers, storage, and cleanroom operations.
Clean, reliable airflow for medical industry. Low noise, high stability for respiratory devices, cleanrooms, and medical cooling systems.
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108mm EC-AC Forward Curved Centrifugal Fan PF3N108B2EM
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
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108mm EC-DC Forward Curved Centrifugal Fan PF3N108B24H
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
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108mm EC-DC Forward Curved Centrifugal Fan PF3N108B48H
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
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120mm EC-AC Forward Curved Centrifugal Fan PF3N120B2EH
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
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120mm EC-DC Forward Curved Centrifugal Fan PF3N120B24M
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
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120mm EC-DC Forward Curved Centrifugal Fan PF3N120B48M
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
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133mm EC-AC Forward Curved Centrifugal Fan PF3N133B2EM
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
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133mm EC-DC Forward Curved Centrifugal Fan PF3N133B24M
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
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133mm EC-DC Forward Curved Centrifugal Fan PF3N133B48M
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
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140mm EC-AC Forward Curved Centrifugal Fan PF3N140B2EH
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
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140mm EC-DC Forward Curved Centrifugal Fan PF3N140B24M
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
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140mm EC-DC Forward Curved Centrifugal Fan PF3N140B48M
PBM FOCUS ON EC FAN ONLY. Certificate: CE,UL,ROHS; Supply Ability: 100,000 pcs per year; MOQ: 1~100 pcs based on EXW price; 100 pcs above based on FOB price.
FAQ
Q: How do I choose the right forward curved centrifugal fan?
A: When selecting a forward curved centrifugal fan, buyers should consider:
● Required airflow (CFM or m³/h)
● Static pressure requirements
● Installation space
● Voltage and frequency
● Noise limitations
● AC or EC motor options
● Operating environment
● Energy efficiency requirements
Q: What are the advantages of forward curved centrifugal fans?
A: Forward curved centrifugal fans offer several benefits, including:
● High airflow volume
● Compact design
● Low operating noise
● Smooth airflow distribution
● Easy integration into HVAC systems
● Cost-effective ventilation solutions
These advantages make them widely used in commercial and light industrial ventilation equipment.
Q: Can forward curved centrifugal fans be customized?
A: Yes. Many manufacturers provide customized forward curved centrifugal fan solutions for OEM and industrial applications. Customization options may include:
● Fan dimensions
● Airflow and pressure performance
● AC or EC motor configuration
● Speed control systems
● Voltage and frequency
● Corrosion-resistant materials
● Mounting structure
● Noise optimization
Customized fans are widely used in HVAC equipment and specialized ventilation systems.
Q: Where are forward curved centrifugal fans commonly used?
A: Forward curved centrifugal fans are widely used in:
● HVAC systems
● Air handling units (AHU)
● Fan coil units (FCU)
● Commercial ventilation equipment
● Air purification systems
● Indoor air circulation systems
● Refrigeration equipment
● Electronic cooling systems
Their compact size and stable airflow make them ideal for space-limited applications.
Q: What is the difference between forward and backward centrifugal fans?
A: Forward curved centrifugal fans are designed for high airflow at lower static pressure, while backward curved centrifugal fans are generally more energy efficient and suitable for higher-pressure systems.
Forward curved fans are typically preferred for:
● Compact HVAC equipment
● Fan coil units
● Air handling systems
● Applications requiring lower noise
Backward curved fans are commonly used in industrial ventilation systems where higher efficiency and pressure capability are required.
PBM Motor and Fan (Suzhou) Co., Ltd. is one of the most professional forward curved centrifugal fan manufacturers and suppliers in China, featured by quality products and good price. Please rest assured to buy customized forward curved centrifugal fan made in China here from our factory. Welcome to contact us for quotation.



