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China factory - Changzhou Junqi International Trade Co.,Ltd

Changzhou Junqi International Trade Co.,Ltd

  • China,Changzhou ,Jiangsu
  • Verified Supplier
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  2. Brushless DC Blower>
  3. Positive Inversion 12VDC Brushless Blower Fan PG Signal Feedback CPAP Machine
China Positive Inversion 12VDC Brushless Blower Fan PG Signal Feedback CPAP Machine
China Positive Inversion 12VDC Brushless Blower Fan PG Signal Feedback CPAP Machine

  1. China Positive Inversion 12VDC Brushless Blower Fan PG Signal Feedback CPAP Machine
  2. China Positive Inversion 12VDC Brushless Blower Fan PG Signal Feedback CPAP Machine
  3. China Positive Inversion 12VDC Brushless Blower Fan PG Signal Feedback CPAP Machine
  4. China Positive Inversion 12VDC Brushless Blower Fan PG Signal Feedback CPAP Machine

Positive Inversion 12VDC Brushless Blower Fan PG Signal Feedback CPAP Machine

  1. MOQ： 1 set
  2. Price： Negotiable
  3. Get Latest Price
Payment Terms T/T, L/C
Supply Ability 1000 pcs per day
Delivery Time 5-30days
Packaging Details Carton+packing foams
Product Name BLDC Blower
Rated Voltage 12V DC
Rated Current 4.4A
Motor Speed 33000 RPM
Driving Motor 3 Phase Brushless DC Motor
Bearing NMB Ball Bearing
Air Pressure 5.5Kpa
Net Weight 68g
IP Grade IP 54
Service Life 10000 Hours
Brand Name junqi
Model Number OWB-7040-12V
Certification CE,Rohs
Place of Origin China

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  1. Product Details
  2. Company Details

Product Specification

Payment Terms T/T, L/C Supply Ability 1000 pcs per day
Delivery Time 5-30days Packaging Details Carton+packing foams
Product Name BLDC Blower Rated Voltage 12V DC
Rated Current 4.4A Motor Speed 33000 RPM
Driving Motor 3 Phase Brushless DC Motor Bearing NMB Ball Bearing
Air Pressure 5.5Kpa Net Weight 68g
IP Grade IP 54 Service Life 10000 Hours
Brand Name junqi Model Number OWB-7040-12V
Certification CE,Rohs Place of Origin China
High Light 12V DC Brushless Blower Fan ，4.4A CPAP machine motor ，33000RPM DC Brushless Blower Fan

24VDC air pump blower for seeding machine,Buffer air cushion , Intelligent closestool ,phlegm-Sucker

OWB7040 series brushless DC air blower

 

 

 

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.

 

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: seeding machine

12: Cooling equipment

13: Air pump

 

3: Products Parameters

 
Model OWB7040-12 OWB7040-24
Rated Voltage 12VDC 24VDC
Rated current(open) 4.4A 2.8A
Air flow(open) 220LPM 280LPM
Motor Speed(open) 33000 RPM 36000RPM
     
Rated current(closed) 2A 0.9A
Air pressure(closed) 5.5kPa 6.5kPa
Motor Speed(closed) 42000 RPM 46000RPM
     
Motor pole 2 2
Phase Resistance 0.9 Ohm 1.6 Ohm
Noise 65 dBA 65 dBA
Ball Bearing NMB High-speed ball bearing
Driving motor 3 phase brushless DC motor
Hall sensor angle 60°
RPM-Pulse 1 Hz=60rpm/min
Winding type Delta
Winding withstand Voltage 500VDC (1 minute )
Insulation Class Class F
Blower weight 68 g
IP grade IP54
Operation temperature -20℃~ 50℃
Service life (under 40℃) 10000 hours
 

4: Products performance

 

OWB7040 brushless DC vacuum blower commutating period

 

OWB7040 brushless DC blower Performance curves

 

5: Overall dimensions

 

6: 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
 

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.

6: Contact us for suitable driver/ controller for this blower.

 

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...

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Get in touch with us

  • Reach Us
  • Changzhou Junqi International Trade Co.,Ltd
  • No.299 Changjiang North Rd, Changzhou City, JIangsu, China
  • https://www.bldcelectricmotor.com/

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