供应铝箔伸缩软管 保温管 flexible air duct

伸缩软管采用积层铝箔复合膜绕贴高弹性螺旋形强韧钢丝制作而成。拉直后自持性好、风阻小、清洁卫生、遇高温或火警时，布产生有毒气体，适用于高、中、低压的空调及通风系统，安装简单。

技术参数： 产品规格：80-750mm(3"-30") 温度范围:-30℃~+140℃ 空气流速:30m/s 工作压力:2500Pa 标准长度:10m 其他规格产品请来电咨询或按您的需求定制，谢谢合作！

================================================ Made of spiral steel wire laminated with aluminum/polyester foil Self-hoiding during usage and low wind resistance. No toxic gases release at high temperature or in the case of fire alarm. Ideal for use in general purose exhaust applications Technical parameters: diameter range：80-750mm(3"-30") temperature range:-30℃~+140℃ velocity of air flow(max):30m/s working pressure(max):2500Pa standard length:10m