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6.8kpa 300lpm Dc Brushless Blower For Air Pump Cooling Equipment

Brand Name:junqi

Certification:CE,Rohs

Model Number:OWB-7040-24V

Minimum Order Quantity:1 set

Delivery Time:5-30days

Payment Terms:T/T, L/C

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Changzhou Junqi International Trade Co.,Ltd

Verified Supplier

Location: Changzhou Jiangsu China

Address: No.28 Shunyuan Rd, Changzhou City, JIangsu, China

Supplier`s last login times: within 3 hours

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Product Details Company Profile

Product Details

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

OWB7040 series brushless DC air blower

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.

Product Tags:

6.8kpa Dc Brushless Blower 300lpm brushless blower fan 2.8A Dc Brushless Blower

6.8kpa 300lpm Dc Brushless Blower For Air Pump Cooling Equipment

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