Spiral Ducts for Ventilation Pipe

Spiral Pipe is available in 3-inch to 36-inch diameter in five foot lengths. It is considerably stronger than longitudinal pipe of the equivalent gauge. All 22 gauge Spiral Pipe measures 1/16″ less than the noted diameter on the inside (I.D.). Example 6″ diameter is 5-15/16″ I.D. A ventilation Spiral Duct is the basic element of the ventilation system. Ventilation ducts are passages used to transport air – supply fresh outside air and remove stale indoor air. Ventilation ductwork can be divided according to its shape, namely, circular, rectangular and oval (a compromise between rectangular and round ventilation ducts).Circular Duct Series and Rectangular Ducts Series are the most common. It can be also distinguished according to the material from which it’s made, e.g. rigid spiral pipe is usually made of galvanized steel sheet; flexible ducts often made of aluminium, polyester foil, etc. By far the most popular ductwork types used for both residential and industrial ventilation syste…

Access Doors Ventilation Duct Dampers Pressed T-Pieces Pressed Female Reducers Segmented Bends