Spiral duct is made from metal material volume spiral-shaped bite seam of thin-walled tube, rounded, no welding, airtight, watertight, used for air distribution and bulk material handling, instead of the traditional Tin tubes (that is, hand-biting joint iron pipes). Is a kind of duct, system-wide, straight pipe without manual typing. Its main use is as follows:
(1) air, including ventilation, such as delivering fresh air and exhaust, this range is very wide, such as factory, production area air, due to the harmful gases needed to vent outdoors, and transportation needs of outdoor air to the Interior. Then we must use large flow and low pressure air pipe, spiral duct is best used, typically using galvanized iron pipes, corrosive and humid places of special use stainless steel tube.
(2) the Cabinet. Central air conditioning is the most common pipes, the pipes need insulating material. Spiral duct can be posted within thermal insulation material and looks beautiful.