DF Series Centrifugal Fan
1. General description: DF series is not set up with gearing, it is motor with impeller drive in connection, mainly through coupling driving with single or double volute casing for winding, refined by cold rolled steel plate, zinced sheet, aluminum plate and aluminum alloy sheet and Main electric motor is adopt three phase asynchronous motor, motor insulation class reach F and the safety grade being IP55. Well-knit structure make the appearance more elegant and easy installed. There have 10 different model and different spec. To matching customer demands. This series is mainly use for train, metro and bus air-conditions ventilation.

2. Main features: high efficient, high pressure, low noise, large flow, smoothly and stable running and long life.

3. Note: Customer should give us clear indication of ventilator' s using environment, types and motor installation types (type A or type B), technical parameter: rotate speed, volume flow, pressure (total pressure or static pressure), suitable motor' s model and power, ventilation' s installation type(hoisting or foundation). Our factory also can design ventilator for special use according to customer' s special requirements.

4. Application: Train, metro, bus and trolleybus.