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1.以钢丝为骨架，PVC夹网布为管身; 伸缩弯转、驳接自由、体积轻巧，携带方便、耐油酸碱、耐腐蚀且阻燃；温度使用范围是-15℃~+85℃
2.规格:口径:100mm-1500mm；单根标准长度为5m或10m，与通风机之间可方便快捷连接，配套使用。
3，适用范围：通风管道配合通风设备广泛应用于机房、地下室、遂道、市政管道工程、机械造船工程、采矿通风设备、消防排烟等恶劣工作环境下的送风及排气、集除烟尘之用。
4，有热合风管和车缝风管两种供客户选择
flexible duct
1,Flexible duct made of PVC flam-resistant, static-free fabric with steel wire reinforced. It is able to endure acid, alkali, oleic acid ect. It is easily to turn, connect and move.
Temperature range: from -15℃ upto +85℃.
2,Diameter:4" to 60" standard length:5m or 10m;
3,Application :Widely used in these working environment such as tunnel, basement, ship building or welding, laboratory ,air-conditioner, engine room， the municipal conduct engineering, fire-fighting to ventilate or exhaust waste air, dust to supply fresh air. Keep save and effectively during working. With the strap or pp rope can conveniently connect to the portable v sewn duct up to the choice of the customer!
entilator to use together.
4, There are Hot seal duct or
