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What are pre-insulated rectangular HVAC ductwork?
Jul 19, 2018

Ventilation duct is the metal or composite pipe used in ventilation and air conditioning engineering of industrial and civil buildings. It is a kind of municipal infrastructure to make air flow and reduce the concentration of harmful gases.

Ventilation pipe duct production and installation of plank, profiles and other major products materials, design and related products should comply with the current national standard, and applied to prove the factory inspection, and material approach should be in accordance with the current national relevant standards for acceptance.

 

Ventilation duct is a kind of municipal infrastructure to make air flow and reduce the concentration of harmful gases.Ventilation pipe, pipe production and installation of plank, profiles and other major products materials, design and related products should comply with the current national standard, and applied to prove the factory inspection, and material approach should be in accordance with the current national relevant standards for acceptance.Ventilation pipe according to the material points: generally speaking, there are: steel duct (ordinary steel), galvanized sheet (tin) pipe, stainless steel ventilation pipe, glass fiber reinforced plastic ventilation pipes, plastic ventilation pipe, composite ventilation tube, caigang sandwich insulation board ventilation tube, double-sided aluminum foil insulation ventilation pipe, single caigang duct insulation, adhesive coating (such as) the ventilation duct used by mine, mine ventilation tube plastic ventilation tube, etc.;

 

Use classification

The purification system returns the air duct, the central air conditioning ventilation pipe, the industrial air supply and exhaust ventilation pipe, the environmental protection system suction and exhaust air pipe, the mine gas drainage pipe, the mine coated air duct and so on.

 

Shape classification

Generally, there are: circle, rectangle, spiral, etc.

 

The processing technology

Can be divided into Angle iron flanged air duct, common plate flanged air duct.


Pre-Insulated Rectangular HVAC Ductwork