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Cpap Small Centrifugal Blower Fans For Close Stool Breathing Machine

Changzhou Bextreme Shell Motor Technology Co.,Ltd

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Address: No.8 Tianshan road, Xinbei district,Changzhou,Jiangsu,China.

Contact name:Amigo Deng

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Cpap Small Centrifugal Blower Fans For Close Stool Breathing Machine

Country/Region china
City & Province changzhou jiangsu
Categories Air Hammers
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Product Details

high speed 24VDC brushless air blower for Buffer air cushion , Intelligent closestool, Electric-Drive phlegm-Sucker

OWB9250 series DC brushless  air blower for breathing machine CPAP machine


1:Brushless DC Air Blower Features:
1: High speed, specialized high-speed ball bearing(NMB) offering long service life and lower noise
2: High pressure and airflow output by compact size design
3: High efficiency, much more efficient than brush motor blower
4: High reliability, specialized controller make the working more reliable
5: High intelligent, PWM speed regulation, positive inversion, PG signal feedback, intelligent controlling
 
2:Brushless DC Air Blower Applications:

1: Buffer air cushion
2: Intelligent closestool
3: Electric-Drive phlegm-Sucker
4: Central ventilation system
5:Air purifier
6:Hand dryer
7: Air bubble machine
8: Ventilating device
9: Vacuum cleaner
10: breathing machine
11: air pump
12: Cooling equipment
 
3:Products Parameters

ModelOWB9250-240OWB9250-220
Rated Voltage24VDC24VDC
Rated current(open)6.5A5A
Air flow(open)42M3/H37M3/H
Motor Speed(open)24000 RPM22000RPM
   
Rated current(closed)2.3A2.2A
Air pressure(closed)8kPa6.8kPa
Motor Speed(closed)28500 RPM26500RPM
   
Motor pole44
Phase Resistance0.62 Ohm0.66 Ohm
Noise80 dBA80 dBA
Ball BearingNMB High-speed ball bearing
Driving motor3 phase brushless DC motor
Hall sensor angle120°
RPM-Pulse1 Hz=30rpm
Winding typeDelta
Winding withstand Voltage500VDC (1 minute )
Insulation ClassClass F
Blower weight400 g
IP gradeIP54
Operation temperature-20℃~ 50℃
Service life (under 40℃)10000 hours

 
4:Products performance
 
OWB9250 24V DC brushless  blower commutating period

OWB9250 brushless DC blower Performance curves



5:Overall dimensions

6:Wiring diagram

 

Pin 4Red+5V
Pin 5PurpleHall A
Pin 6GreenHall B
Pin 7GreyHall C
Pin 8BlackGND
Pin 1YellowMotor phase A
Pin 2BlueMotor phase B
Pin 3WhiteMotor phase C

 
7: 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.

 

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