Our company not only provides high quality standard 24v dc blower, High Speed Centrifugal Blower Fan with Brushless Motor, dc centrifugal blower, relying on our technical advantages, focusing on providing customers with high requirements, high difficulty and special requirements of customized products. We insist on people-oriented, change the development mode of the company, take the road of sustainable development, give back to the society with good work performance, and make new contributions to social and economic development. As we all know, people-oriented and rule by law are complementary to each other and unified in the concrete innovation and practice of enterprise reform, management and development. Based on the starting point of the new journey of forging ahead, we have adhered to the task, the goal and the standard, overcome difficulties and forge ahead, and achieved hard won results in all our work. We provide innovative and excellent products, solutions and services to assist customers, enterprises and employees to achieve success.
| Compact size cooling blower WS140120-48-130-X300 |
14kPa 30CFM 2" inline compact size cooling blower
Suitable for air cushion machine/fuel cell/cooling machine


| Blower features |
Brand name: Wonsmart
High pressure with dc brushless motor
Blower type: Centrifugal fan
Voltage: 48 vdc
Bearing: NMB ball bearing
Applicable Industries: Manufacturing Plant
Electric Current Type: DC
Blade Material: plastic
Mounting: Ceiling Fan
Place of Origin:Zhejiang, China
Certification: ce, RoHS
Warranty: 1 Year
After-sales Service Provided: Online support
Life time(MTTF): >20,000hours (under 25 degree C)
Weight: 1.5 Kgs
Housing material:PC
Size:140*120MM
Motor type:Three Phase DC Brushless Motor
Controller: external
Static pressure: 15kPa
| Drawing |

| Blower Performance |
WS140120S-48-130-X300 blower can reach maximum 88m3/h airflow at 0 kpa pressure and maximum 15kpa static pressure.It has maximum output air power when this blower run at 7kPa resistance if we set 100% PWM, It has maximum efficiency when this blower run at 7kPa resistance if we set 100% PWM.Other load point performance refer to below P-Q curve:

| DC brushless blower advantage |
(1)WS140120S-48-130-X300 blower is with brushless motors and NMB ball bearings inside which indicates very long life time; MTTF of this blower can reach more than 10,000hours at 20degree C environmental temperature.
(2)This blower needs no maintence;
(3)This blower drived by a brushless motor controller have many different control functions such as speed regulation,speed pulse output,fast acceleration,brake etc.it can be controlled by intelligent machine and equipment easily.
(4)Drived by brushless motor driver the blower will have over current, under/over voltage,stall protections.
| Applications |
This blower can be widely used onto air purify,air bed,cooling,vacuum machine.
| How to use the blower correctly: |
This blower can run at CCW direction only.Reverse the impeller running direction can not change the air direction.
Filter onto the inlet to protect the blower from dust and water.
Keep the environmental temperature as low as possible to make the blower life time longer.
| FAQ: |
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.
Motor supply
A DC motor is usually supplied through a split ring commutator as described above. AC motors' commutation can be achieved using either a slip ring commutator or external commutation, can be fixed-speed or variable-speed control type, and can be synchronous or asynchronous type. Universal motors can run on either AC or DC.
Motor control
DC motors can be operated at variable speeds by adjusting the DC voltage applied to the terminals or by using pulse-width modulation (PWM).
AC motors operated at a fixed speed are generally powered directly from the grid or through motor soft starters.
AC motors operated at variable speeds are powered with various power inverter, variable-frequency drive or electronic commutator technologies.
The term electronic commutator is usually associated with self-commutated brushless DC motor and switched reluctance motor applications.
Our company's Dkt Series 800W External Motor Air Conditioning Fan Blower are produced in batches to ensure that the products are cheap and high quality. Our quality is surely guaranteed. Survive by quality and build brand by integrity are our company's management philosophy.
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