風管 
風管就是用於空氣輸送和分佈的管道系統。還具有送風，送冷風，排油煙，除塵，散裝物料輸送等用途。 產品的特性：密封性能好，通風阻力小，通風噪聲小，安裝方便，連接點少。檔次高，外表美觀。 風管的標準規格表： 規格 | 內徑
（mm) | 壁厚
(mm) | 彎曲半徑
(mm) | 重量(g/m) | 長度
(m) | 耐負壓m/H20 | DN025 | 25 | 0.6-0.9 | 15 | 150 | 10-25 | 2.5 | DN038 | 38 | 0.6-0.9 | 24 | 190 | 10-25 | 2 | DN050 | 50 | 0.6-0.9 | 29 | 250 | 10-25 | 2 | DN060 | 60 | 0.6-0.9 | 33 | 300 | 10-25 | 1.7 | DN065 | 65 | 0.6-0.9 | 36 | 320 | 10-25 | 1.7 | DN070 | 70 | 0.6-0.9 | 38 | 470 | 10-25 | 1.7 | DN075 | 75 | 0.6-0.9 | 40 | 500 | 10-25 | 1.7 | DN080 | 80 | 0.6-0.9 | 41 | 540 | 10-25 | 1.6 | DN090 | 90 | 0.6-0.9 | 43 | 610 | 10-25 | 1.6 | DN0100 | 100 | 0.6-0.9 | 48 | 640 | 10-25 | 1.3 | DN0110 | 110 | 0.6-0.9 | 58 | 690 | 10-25 | 1.2 | DN0127 | 127 | 0.6-0.9 | 67 | 850 | 10-25 | 1 | DN0130 | 130 | 0.6-0.9 | 68 | 880 | 10-25 | 0.8 | DN0140 | 140 | 0.6-0.9 | 75 | 960 | 10-25 | 0.8 | DN0150 | 150 | 0.6-0.9 | 78 | 1040 | 10-25 | 0.8 | DN0160 | 160 | 0.6-0.9 | 85 | 1150 | 10-25 | 0.7 | DN0180 | 180 | 0.6-0.9 | 93 | 1450 | 10-25 | 0.5 | DN0200 | 200 | 0.6-0.9 | 103 | 1640 | 10-25 | 0.4 | DN0220 | 220 | 0.6-0.9 | 113 | 1800 | 10-25 | 0.4 | DN0228 | 228 | 0.6-0.9 | 115 | 1900 | 10-25 | 0.4 | DN0250 | 250 | 0.6-0.9 | 128 | 2100 | 10-25 | 0.4 | DN0254 | 254 | 0.6-0.9 | 130 | 2150 | 10-25 | 0.4 | DN0279 | 279 | 0.6-0.9 | 143 | 2400 | 10-25 | 0.4 | DN0300 | 300 | 0.6-0.9 | 153 | 2600 | 10-25 | 0.3 | DN0350 | 350 | 0.6-0.9 | 178 | 3100 | 10-25 | 0.3 | DN0400 | 400 | 0.6-0.9 | 203 | 3850 | 10-25 | 0.3 |
可根據客戶要求訂做非標準軟管
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