All-Air Insulated Spiral Duct Solution

All-Air Insulated Spiral Duct Solution is an integrated fully-insulated spiral duct system designed for full-air HVAC systems. Compatible with PE/TC/TT Series Floor Air Supply Ventilation Pipes, it serves as a core Supporting Components for Floor Air Supply System for commercial ventilation and under-floor air conditioning projects. The complete package covers Z275 high-zinc spiral ducts, full-range connecting fittings and sealing accessories. Adopting precision lock-seam technology, the duct features regular roundness, smooth inner wall and ultra-low air resistance to support high-volume, low-loss whole-building air circulation. With excellent air tightness and structural rigidity, the system resists deformation and operates stably in ceiling cavities, equipment rooms and floor plenum layers, widely used in full-air central air conditioning, fresh air displacement and exhaust projects for commercial complexes, office buildings, high-end hotels and large public facilities. Fully wrap…