500mm portable propeller ventilator air blower

 structure:

 > international standard copper wire motor to avoid easy burning when long-running.

 > aluminum casting motor shell with fast heat radiation. 

 > hot-dipped galvanized  ventilator shell.

 > 7 blades aluminum casting alloy impeller.

 > dustproof zinc coating fan guard.

 > press button with  electrical cord and no any plug.

Available size with the same structure: 16"/18"/20"(400mm/450mm/500mm), color: orange, red.

with adjustable stand type as below, which could made the duct fan body turn around 360degree.
:

Application

with our matching flexible ventilation duct, the portable propeller ventilator air blower can be used for supply and exhaust in long-distance or deep working place.

-the communication cable maintance

-ship building and repairig

-municipal underground engineering

-big capacity tank container

-chemical industrial factory

-OEM service is available, R&D department would serve on customer's special ideas.

- production warranty: 1 year.