Spiral duct is a thin-walled circular tube made of metal strip with spiral bite, mainly used in air conditioning and ventilation systems. Its main material mainly galvanized sheet, but also can be made of stainless steel, copper, aluminum, color plate and micro-perforated plate and other sheet metal manufacturing.
Spiral duct use mainly has the following points:
(1) ventilation system: send fresh air and exhaust, the harmful gases out of the room, the fresh air to the indoor room.
(2) air conditioning system: spiral duct can be posted within the insulation material, beautiful appearance.
(3) row of smoke system: restaurants, restaurants, hotels, kitchen are a large number of fumes generated, need to discharge, the use of spiral duct is appropriate, good strength, economical and practical.
(4) dust removal system: the collection and transportation of dust removal device, you can use the spiral duct.
(5) bulk material transport: pneumatic conveying system species, some of the more thin loose material particles, can use the spiral duct delivery, low cost, good effect.