China HVAC Air Duct Spiral Ventilation Round Duct Machine Price

Spiral Duct Machine

Spiral windpipe machine, is the production of spiral windpipe machine.The spiral duct, also known as the spiral slit thin-walled pipe, was first used in the military industry of western countries, such as the wind system of warships and ships, and later used in civil facilities such as trains, subways and mines

Feature: Spiral duct is made of metal material spiral seam bite thin wall pipe, round, no welding, airtight, watertight, used to supply air and bulk cargo transport, instead of the traditional galvanized iron pipe (i.e., manual bite seam pipe).It is a kind of air duct, the full mechanism straight pipe does not need manual beating.