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Changzhou Junqi International Trade Co.,Ltd
Changzhou Junqi International Trade Co.,Ltd

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Home ProductsBrushless DC Blower

12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower Cooling Centrifugal Fan

12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower Cooling Centrifugal Fan

12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower Cooling Centrifugal Fan
12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower Cooling Centrifugal Fan
12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower Cooling Centrifugal Fan
Product Details:
Place of Origin: China
Brand Name: junqi
Certification: CE,Rohs
Model Number: OWB9290-24V
Payment & Shipping Terms:
Minimum Order Quantity: 1 set
Price: Negotiable
Packaging Details: Carton+packing foams
Delivery Time: 5-30days
Payment Terms: T/T, L/C
Supply Ability: 1000 pcs per day
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Detailed Product Description
Product Name: BLDC Blower Rated Voltage: 24VDC
Rated Current: 7A Motor Speed(open): 22000RPM
Motor Speed(closed): 25800RPM Driving Motor: 3 Phase Brushless DC Motor
Bearing: NMB Ball Bearing Air Pressure: 10.5Kpa
Noise: 80dBA Net Weight: 490g
IP Grade: IP 54 Service Life: 10000 Hours
Highlight:

Brushless DC Radiator Blower Cooling Fan

,

12Kpa Blower Cooling Fan

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30CFM DC Radiator Blower Centrifugal Fan

 

12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower OWB9290-24V Cooling Fan Centrifugal Fan

 

 

Features:

1. NMB ball bearing guarantee long life.

2.Compact size but output high pressure and airflow

3.Very suitable for compact system or tools

4. External driver controller can change speed by PWM or 0~5v signal.

 

12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower Cooling Centrifugal Fan 0

 

2: Products Parameters

Model OWB9290-24
Rated Voltage 24VDC
Rated current(open) 7A
Air flow(open) 33M3/H
Motor Speed(open) 22000 RPM
   
Rated current(closed) 3.4A
Air pressure(closed) 10.5kPa
Motor Speed(closed) 25800 RPM
   
Motor pole 4
Phase Resistance 0.82 Ohm
Noise 80 dBA
Ball Bearing NMB High-speed ball bearing
Driving motor 3 phase brushless DC motor
Hall sensor angle 120°
RPM-Pulse 1 Hz=30rpm
Winding type Delta
Winding withstand Voltage 500VDC (1 minute )
Insulation Class Class F
Blower weight 490 g
IP grade IP54
Operation temperature -20℃~ 50℃
Service life (under 40℃) 10000 hours

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

3: Products performance
 

OWB9290 brushless DC blower commutating period

12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower Cooling Centrifugal Fan 1

OWB9290-24v brushless DC blower Performance curve

12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower Cooling Centrifugal Fan 2

 


4: Overall dimensions

12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower Cooling Centrifugal Fan 3

 


5: Wiring diagram
12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower Cooling Centrifugal Fan 4

Pin 4 Red +5V
Pin 5 Purple Hall A
Pin 6 Green Hall B
Pin 7 Grey Hall C
Pin 8 Black GND
Pin 1 Yellow Motor phase A
Pin 2 Blue Motor phase B
Pin 3 White Motor phase C


6: Attentions
1: Do not working under the max air pressure, the air flow is too small at max air pressure, and it's not safe for using.
2: Add a filter attach to the intake makes the blower bearing longer service life.
3: The correct rotation direction is CCW
4: Do not use the blower in High temperature ,high humidity, high magnetic fields
5: Please use suitable power supply for the blower.

 

Products pictures:

12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower Cooling Centrifugal Fan 5

Applications:

12Kpa 30CFM Brushless High Air Pressure DC Radiator Blower Cooling Centrifugal Fan 6

 

FAQ:

Can we connect this centrifugal air blower directly onto power source?

This blower fan is with BLDC motor inside and it needs a controller board to run.
What kind of power source shall we use to drive this blower fan?
Generally, our customers use 24vdc switching power supply or Li-on battery.
Do you also sell controller board for this blower fan?
Yes, we can supply adapted controller board for this blower fan.
How to change impeller speed if we use your controller board?
You can use 0~5v or PWM to change speed. Our standard controller board is also with a
potentiometer to change speed conveniently.
What is the MTTF of this centrifugal air blower?
MTTF of this centrifugal air blower is 20,000+ hours under 25 C degree.
Can we use this centrifugal air blower to suct water?
This blower fan can not be used to suck water. If you need to suck water, you can ask us to
choose proper item for this special working condition.
Can we use this centrifugal air blower to suck dust directly?
This blower fan can not be used to suck dust directly.If you need to suck dust, you can ask
us to choose proper item for this special working condition.
What can do if the working condition is dirty?
A filter is strongly recommended to assemble onto the the inlet of the blower fan
How to decrease the noise of the blower?
Many of our customers use foam, silicone to fill between blower fan and machine to insulate
the blower noise.

 

 

Tag:

48V Brushless DC Blower,

6.8Kpa blower ventilation fan,

26500rpm Brushless Blower

Contact Details
Changzhou Junqi International Trade Co.,Ltd

Contact Person: Ivanzhu

Tel: 0086-13961407941

Send your inquiry directly to us
Changzhou Junqi International Trade Co.,Ltd
No.299 Changjiang North Rd, Changzhou City, JIangsu, China
Tel:86-1396-1407941
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