Aluminum Semi-rigid Duct 
Product Introduction Of The Aluminum Semi-rigid Duct 
Semi-rigid aluminium ducting is a lightweight, flexible but strong corrugated aluminium duct. It is spiral wound with a unique interlocked and knotted continuous seam. It mostly needs only the fittings or mechanics at each end for support.
Semi rigid aluminium ducting from Fanryntech available in a 1.5 / 3 / 6 metre length with 2'' - 20'' diameter, ideal for fans, heating and ventilation applications.
The duct is totally noncombustible.
Product Parameter Of The Aluminum Semi-rigid Duct 
PROPERTIES	VALUE
DIAMETER RANGE	50  500mm (2〞 20〞)
EXTENSION RATE	1:3
THICKNESS OF ALUMINUM	0.08mm  0.12mm
TEMPERATURE RANGE	-25  +300 C
VELOCITY OF AIR FLOW (MAX.)	30 m/s
WORKING PRESSURE	2500 Pa
FIRE RESISTANCE	NO FLAMMABLE
CORRUGATIONS 	3;5;9
STANDARD LENGTH	1.5m; 3.0m; 6m 
Product Feature And Application Of The Aluminum Semi-rigid Duct 
●Made of soft aluminum foil, self-holding, flexible, flame retardant, easy to install.
●No toxic gases release at high temperature
●Apply to low and medium pressure air conditioning, ventilation, as well as for various industrial purposes, such as boiler systems, chimney liners.