90mm 8kpa 44m3/H Air Flow 24vdc Micro Air Blowers Cpap Machine Blower Motor

Name: 90mm 8kpa 44m3/H Air Flow 24vdc Micro Air Blowers Cpap Machine Blower Motor
Brand: junqi
SKU: OWB-9250-240
Rating: 4.8 (103 reviews)

Product Details:

Place of Origin:	China
Brand Name:	junqi
Certification:	CE,Rohs
Model Number:	OWB-9250-240

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:	24V DC
Rated Current:	6.5A	Motor Speed(open):	24000RPM
Motor Speed(closed):	28500rpm	Driving Motor:	3 Phase Brushless DC Motor
Bearing:	NMB Ball Bearing	Air Pressure:	8Kpa
Net Weight:	400g	IP Grade:	IP 54
Service Life:	10000 Hours
High Light:	90mm micro air blowers , 8kpa Cpap Machine Blower Motor , 44m3/H Cpap Machine Blower Motor

OWB9250 series DC brushless air blower

1: Brushless DC Air Blower Features:
High pressure and airflow output by compact size design
High reliability, specialized controller make the working more reliable
High intelligent, PWM speed regulation, positive inversion, PG signal feedback, intelligent controlling

2: Products Parameters

Model	OWB9250-240	OWB9250-220
Rated Voltage	24VDC	24VDC
Rated current(open)	6.5A	5A
Air flow(open)	42M³/H	37M³/H
Motor Speed(open)	24000 RPM	22000RPM

Rated current(closed)	2.3A	2.2A
Air pressure(closed)	8kPa	6.8kPa
Motor Speed(closed)	28500 RPM	26500RPM

Motor pole	4	4
Phase Resistance	0.62 Ohm	0.66 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	400 g
IP grade	IP54
Operation temperature	-20℃~ 50℃
Service life (under 40℃)	10000 hours

3: Products performance

OWB9250 24V DC brushless blower commutating period

OWB9250 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:

90mm 8kpa 44m3/H Air Flow 24vdc Micro Air Blowers Cpap Machine Blower Motor 8

Shipment:

90mm 8kpa 44m3/H Air Flow 24vdc Micro Air Blowers Cpap Machine Blower Motor 10

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.