Centrigugal ventilators,ventilator

Introduction of ventilator,centrifugal ventilator,ventilation fan,exhaust blower,

centrifugal blower,fan,blower,ventilating fan,ventilation fan
The centrifugal fan t4-79 Type are normaly used in Factory and big buildings to ventilate and export air, in the air there is no impurities and hard substance that is 150mg/m3,temperature is not more than 80°C.
The performance and components Type BT4-72 are same as the Type T4-72. Choose motor Type YB serial

Mode
From the view of motor side, the ventilator which vane wheel rotates clockwisely is call right-rotation indicated with " Right"; left-rotation indicated with "Left"
There are five driving modes A,B,C,D,E. In the ventiltor Type 4-72, No.2.8-6 adopts driving mode A; NO. 8-12 C,D, No.16-20 B.

Ventilator structure
entilator Type T4-79 consists mainly of vane wheel, ventilator shell, inlet draught. No. 8-No.20 have such components same as mentioned as No. 2.8-6, additional driving components.
1Vane wheel consists of ten back-bent vanes, front disc and flat back plate, having better performance such as high efficiency, stable runing, etc. .
2The inlet draught is installed at the side of ventialtor, having a curve-shape section parallel to axis, so that air can enter into vane wheel smoothlly with little loss.
3Driving part consists of spindle, gearbox, belt wheel or shaft couple.