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Product Details

Blower typeCentrifugal fanVoltage24vdc
BearingNMB ball bearingTypeCentrifugal Fan
Applicable IndustriesManufacturing PlantElectric Current TypeDC
Blade MaterialplasticMountingCeiling Fan
Place of OriginZhejiang, ChinaNoise level83dba
CertificationCE, RoHS, ETLStatic pressure14kPa
After-sales Service ProvidedOnline supportLife time(MTTF)>20,000hours (under 25 degree C)
Weight1.5 kgHousing materialPC
Unit sizeD140mm *H120mmMotor typeThree Phase DC Brushless Motor
Outlet diameterOD17mm ID12mmControllerexternal



◎ Drawing



◎ Blower Performance


WS140120S-24-130-S200 blower can reach maximum 130m3/h airflow at 0 kpa pressure and maximum 14kpa static pressure. It has maximum output air power when this blower run at 3kPa resistance if we set 100% PWM. It has maximum efficiency when this blower run at 14kPa resistance if we set 100% PWM. Other load point performance refer to below P-Q curve


◎ Application


This brushless blower can be widely used onto air cushion machine, CPAP machine, SMD soldering rework station.

◎ How to use the blower correctly:

1. This  brushless blower can run at CCW direction only.Reverse the impeller running direction can not change the air direction.
2. Filter onto the inlet to protect the blower from dust and water.
3. Keep the environmental temperature as low as possible to make the blower lifetime longer.


◎ FAQ


  • Q1: Customer: May I use this blower for Medical device?
    A: Yes, this is one blower of our company which can be used on Cpap and ventilator.
  • Q2: What’s is the maxmum air pressure?
    A: As it shown in the drawing, the maxmum air pressure is 6.5 Kpa.
    The centrifugal fan uses the centrifugal power supplied from the rotation of impellers to increase the kinetic energy of air/gases. When the impellers rotate, the gas particles near the impellers are thrown off from the impellers, then move into the fan casing. As a result, the kinetic energy of gas is measured as pressure because of the system resistance offered by the casing and duct. The gas is then guided to the exit via outlet ducts. After the gas is thrown-off, the gas pressure in the middle region of the impellers decreases. The gas from the impeller eye rushes into normalize this. This cycle repeats and therefore the gas can be continuously transferred.



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Ningbo Wonsmart Motor Fan Company is a professional manufacturer with a focus on small sized brushless dc motors and brushless dc blowers.

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