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追加: 2026-05-01

Round ventilation ducts are the most aerodynamically efficient elements in air duct systems because their circular shape eliminates corners, allowing air to flow with minimal resistance. This design reduces noise levels and decreases energy consumption of ventilation fans. The ducts come in various materials including plastic (PVC/ABS) for residential use, metal (galvanized or stainless steel) for industrial applications, and flexible corrugated types for hard-to-reach areas. Standard diameters for domestic use range from 100mm for small bathrooms to 200mm or larger for commercial applications. Key advantages over rectangular ducts include easier sealing, lower noise, space-saving installation, and simpler maintenance. Essential accessories include connectors, elbows (45° and 90°), tees, adapters, and check valves.