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{"title":"90mm 8kpa 44m3\/H Air Flow 24vdc Micro Air Blowers Cpap Machine Blower Motor","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/7c\/c7\/f32033f620cfa99eb5f3af87d982-200x200-1\/90mm_8kpa_44m3_2fh_air_flow_24vdc_micro_air_blowers_cpap_machine_blower_motor.jpg","attrs":{"Brand Name":"junqi","Model Number":"OWB-9250-240","Certification":"CE,Rohs","Place of Origin":"China"}}
{"title":"High Pressure 28cfm 24v Brushless DC Blower , Cpap Machine Blower Motor","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/07\/35\/a1447c090c8959de8f302d530a6c-200x200-1\/high_pressure_28cfm_24v_brushless_dc_blower_2c_cpap_machine_blower_motor.jpg","attrs":{"Brand Name":"junqi","Model Number":"OWB-9250-220","Certification":"CE,Rohs","Place of Origin":"China"}}
{"title":"Brushless NMB Waterproof Small Centrifugal Blower Fans CPAP Blower Fan","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d3\/51\/f44f70ef926869d7d27f9490fe96-200x200-1\/brushless_nmb_waterproof_small_centrifugal_blower_fans_cpap_blower_fan.jpg","attrs":{"Brand Name":"junqi","Model Number":"OWB-9250-220","Certification":"CE,Rohs","Place of Origin":"China"}}
{"title":"24V Brushless DC Blower DC Centrifugal Blower For Ventilating Device","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/07\/35\/a1447c090c8959de8f302d530a6c-200x200-1\/24v_brushless_dc_blower_dc_centrifugal_blower_for_ventilating_device.jpg","attrs":{"Brand Name":"junqi","Model Number":"OWB-9250-240","Certification":"CE,Rohs","Place of Origin":"China"}}
{"title":"Electric Small Air Brushless Dc Motor Fireplace Mini Blower Ventilation Fan","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/d3\/51\/f44f70ef926869d7d27f9490fe96-200x200-1\/electric_small_air_brushless_dc_motor_fireplace_mini_blower_ventilation_fan.jpg","attrs":{"Brand Name":"junqi","Model Number":"OWB-9250-220","Certification":"CE,Rohs","Place of Origin":"China"}}
{"title":"86mm 7.5kpa Brushless DC Blower Mini Electric Dust Air Suction Blower","imgUrl":"https:\/\/img.silkroadsl.com\/nimg\/04\/32\/6d088e287bcbd7ba6f2c8c5fe042-200x200-1\/86mm_7_5kpa_brushless_dc_blower_mini_electric_dust_air_suction_blower.jpg","attrs":{"Brand Name":"junqi","Model Number":"OWB-4235-24","Certification":"CE,Rohs","Place of Origin":"China"}}
24V/48V DC air vacuum blower for vacuum cleaner,Air purifier,Hand dryer,
Air bubble machine , Ventilating device
Products Parameters
Model
OWB9290-24
OWB9290-48
Rated Voltage
24VDC
48VDC
Rated current(open)
7A
3.9A
Air flow(open)
33M3/H
35M3/H
Motor Speed(open)
22000 RPM
24000RPM
Rated current(closed)
3.4A
2.2A
Air pressure(closed)
10.5kPa
12kPa
Motor Speed(closed)
25800 RPM
27300RPM
Motor pole
4
4
Phase Resistance
0.82 Ohm
1.53 Ohm
Noise
80 dBA
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
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
3: Products performance
OWB9290 brushless DC blower commutating period
OWB9290 brushless DC blower Performance curves
4: Overall dimensions
5: Wiring diagram
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.
7: 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
Packing:
Shipment:
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.
Company Details
Bronze Gleitlager
,
Bronze Sleeve Bushings
and
Graphite Plugged Bushings
from Quality China Factory
Business Type:
Manufacturer,Exporter,Trading Company
Year Established:
2020
Total Annual:
100-300
Employee Number:
>100
Ecer Certification：
Verified Supplier
Changzhou Junqi Mechanical Electronics Co.,Ltd is a professional Exporter relies on five parnter physical factories.
The main products: Auto Parts( Power window switch,Auto electric water pumps, Auto lock, Door handle, Wipper motor and window regulator motor), Stepping motor and driver, Bru... Changzhou Junqi Mechanical Electronics Co.,Ltd is a professional Exporter relies on five parnter physical factories.
The main products: Auto Parts( Power window switch,Auto electric water pumps, Auto lock, Door handle, Wipper motor and window regulator motor), Stepping motor and driver, Bru...
