New Arrival China Centrifugal Fans - 12VDC small electric air blower – Wonsmart

Blower Features

Brand name: Wonsmart

High pressure with dc brushless motor

Blower type: Centrifugal fan

Voltage: 12 vdc

Bearing: NMB ball bearing

Type: Centrifugal Fan

Applicable Industries: Manufacturing Plant

Electric Current Type: DC

Blade Material: plastic

Mounting: Ceiling Fan

Place of Origin:Zhejiang, China

Certification: ce, RoHS, ETL

Warranty: 1 Year

After-sales Service Provided: Online support

Life time(MTTF): >20,000hours (under 25 degree C)

Weight: 80 grams

Housing material:PC

Unit size: D70mm *H37mm

Motor type:Three Phase DC Brushless Motor

Outlet diameter: OD17mm ID12mm

Controller: external

Static pressure: 6.8kPa

Drawing

Blower Performance

WS7040-12-X200 blower can reach maximum 18m3/h airflow at 0 kpa pressure and maximum 5.5kpa 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 5.5kPa resistance if we set 100% PWM. Other load point performance refer to below P-Q curve：

DC Brushless Blower Advantage

(1) WS7040-12-X200 blower is with brushless motors and NMB ball bearings inside which indicates very long life time; MTTF of this blower can reach more than 20,000 hours at 20 degree 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 cushion machine, CPAP machine, SMD soldering rework station.

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 lifetime longer.

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: 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.

The centrifugal fan performance tables provide the fan RPM and power requirements for the given CFM and static pressure at standard air density. When the centrifugal fan performance is not at standard conditions, the performance must be converted to standard conditions before entering the performance tables. Centrifugal fans rated by the Air Movement and Control Association (AMCA) are tested in laboratories with test setups that simulate installations that are typical for that type of fan. Usually they are tested and rated as one of four standard installation types as designated in AMCA Standard 210.

AMCA Standard 210 defines uniform methods for conducting laboratory tests on housed fans to determine airflow rate, pressure, power and efficiency, at a given speed of rotation. The purpose of AMCA Standard 210 is to define exact procedures and conditions of fan testing so that ratings provided by various manufacturers are on the same basis and may be compared. For this reason, fans must be rated in standardized SCFM.