OWB7575 can be used in many applications, such as fuel cell systems, rapid inflation and pumping scenarios, environmental sampling devices, and more.
DC blower; Cpap blower; Low noise blower; Clinical ventilator; Home ventilator; Breathing machine;Fuel cell;Express air cushion machine;Beauty air cooler;Sampling instrument;Expectorant vest.
Characteristics:
| Basic Tech spedification |
OWB7575-48V |
| Maxximum continuous operating state |
| Rated Voltage |
48VDC |
| Rated current |
9A |
| Rated power |
435W |
| No-load Speed |
80000rpm |
|
| Max air pressure ( Flow=0) |
666L/min |
| Power@ max.flow |
425W |
| Speed@ max.flow |
87128rpm |
| Min air flow |
10L/min |
| BLDC Motor Parameters |
| Resistance |
2.05Ω |
| Inductance value |
7.77mH |
| Rotor inertia |
14g/cm² |
| Number of magnet poles |
2 |
| Winding insulation level |
180℃-F |
| Motor surface temperture rise |
45℃ |
|
| IP level |
IP50 |
| Impeller material |
AL |
| House casing material |
AL |
| Oxygen compatible |
21% |
| Biocompatibility |
Yes |
| Performance of blower |
| NTC Situation |
N/A |
| Weight |
420g |
| Operation life |
15000hous |
| Noise |
45dB(A) |
| Impeller rotation ( see from air inlet) |
CCW |
| Operating ambient temperature range |
-10~+45℃ |
| Pressure relief situation |
＞80kpa |
| Operating environment humidity range |
10~75% RH |
| Recommended storage temperaure range |
-10~+40℃ |
Notice:
- The pipeline diameter of the air inlet or outlet load shall not be less than 6mm
- Don't block the iar inlet or outlet completely for more than 3 minutes.
Peformance Curve:
Dimensions:
Applications:
FAQ:
Q: Can we connect this centrifugal air blower directly onto power source?
A: This blower fan is with BLDC motor inside and it needs a controller board to run.
Q: What kind of power source shall we use to drive this blower fan?
A: Generally, our customers use 24vdc switching power supply or Li-on battery.
Q: Do you also sell controller board for this blower fan?
A: Yes, we can supply adapted controller board for this blower fan.
Q: How to change impeller speed if we use your controller board?
A: You can use 0~5v or PWM to change speed. Our standard controller board is also with a
potentiometer to change speed conveniently.
Q: What is the MTTF of this centrifugal air blower?
A: MTTF of this centrifugal air blower is 20,000+ hours under 25 C degree.
Q: Can we use this centrifugal air blower to suct water?
A: 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.
Q: Can we use this centrifugal air blower to suck dust directly?
A: 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.
Q: What can do if the working condition is dirty?
A: A filter is strongly recommended to assemble onto the the inlet of the blower fan
Q: How to decrease the noise of the blower?
A: Many of our customers use foam, silicone to fill between blower fan and machine to insulate
the blower noise.
For more informantion, please contact with us via email: ivanzhu@junqitrading.com
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