Portable blower ventilating fan

portable ventilation fan:
There are many sizes of ventilation fan in our company.
Diameter of portable ventilation fan: 8", 10", 12", 14", 16", 18". 20" and 24"
Volt: 110v/60Hz, 220v/50Hz, 380v~415V
Color of fan: Yellow, orange are main color, other colors can be supplied as well.
Tripod: Y type and U type tripod can be supplied.
quantity of blade: seven
Material: iron
Socket: many kinds of socket can be supplied, American type, English type and so on.
The length of the wire: normal length is 4 meters, it can be required.
Package: use a PE bag to pack it, and then put it into a carton.
flexible duct
The framework of the fire retardant flexible duct is made of steel wire, the body is wrapped with the saffron plastics colth, for it can fix the flexible duct expediently, there is metal ring every one meter, for it can connect the ventilator discretionarily, the both two sides of flexible duct are bunched with the rope, belt with buckle, clamp or other. It has got SGS report, and said it is excellent fire retardant.
The flexible duct is able to endure the high temperature, the acid the alkali, the oleic acid and burning, it is easily to turn, connect and schlep. It has been extensively used in maintaining underground cable, engine room, crype, tunnel municipal conduit engineering, machine shipbuilding engineering, fire fight rescue and other construction in the bad air environment,
Diameter: 4"-60"(100mm -1500mm)
Standard length: 5m, 10m, 15ft, 25ft ( any lenght is available)