We have a wide range of market development, mature market operation, and the excellent quality of our pet blower fan, blower fan dc, EC motor fan has received a warm response from the market! We uphold the core values of honesty and truth-seeking, innovation and harmony, and pursue the business philosophy of green intelligence, safety and efficiency. We put the employees in the main position of management, always with people as the starting point and center. We insist on improving the quality management system and taking the system construction as the guarantee of quality management.
| 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.
We pay attention to the applicability of the Hongke 170flj-7 220vquality Stainless Steel Centrifugal Fan Blower, constantly improve the update, the product series supporting to market. We believe that the company's stable economic growth needs to rely on the adoption of new technology and equipment and the improvement of labor culture and technology. Relying on our strong scientific research strength and market research, we have developed and launched a series of new products one after another.
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