专注通风管道加工·排烟罩

　　风管不得采用S型插条、C型直角插条及立联合角插条的连接方式。空气洁净等级为1～5级的风管不得采用按扣式咬口。

　　The wind pipe shall not be connected with S type cutting, C type right angle cutting and vertical joint angle cutting. The air cleanliness class is 1 to 5 level wind pipe shall not use stud bite.

　　净化空调系统风管的法兰铆钉间距应小于100 mm，空气洁净等级为1～5的风管法兰铆钉间距应小于65mm。

　　The flange rivet spacing of the duct of the air conditioning system shall be less than 100 mm, and the distance between the rivets of the air duct flange of air cleaning grade 1~5 shall be less than 65mm.

　　风管内不得设置加固框或加固筋。

　　Reinforcing frame or reinforcing rib shall not be installed in air duct.

　　风管加工前应采用清洗液去除板材表面油污及积尘，清洗液应采用对板材表面无损害、干燥后不产生粉尘，且对人体无危害的中性清洁剂。

　　The cleaning liquid should be used to remove the oil stain and dust accumulation on the surface of the pipe before the duct is processed. The cleaning liquid shall be a neutral detergent that does not damage the surface of the sheet, does not produce dust after drying and has no harm to the human body.

　　通风管道制作完毕应使用清洗液清洗，清洗后经白绸布擦拭检查达到要求后，酚醛板，应及时封口。

　　Ventilation pipe production should be used after cleaning fluid cleaning, cleaning after the white cloth wipe check to meet the requirements, the phenolic plate, should be promptly sealed.

　　彩色涂层钢板风管的内壁应光滑;板材加工时不得损坏涂层，被损坏的部位应涂环氧树脂。

　　The inner wall of the color coated steel pipe shall be smooth, and the sheet shall not be damaged during processing, and the damaged parts shall be coated with epoxy resin.

　　风管的咬口缝、铆接缝以及法兰翻边四角缝隙处，应按设计及洁净等级要求，采用涂密封胶或其他密封措施堵严。密封材料宜采用异丁基橡胶、氯丁橡胶、变性硅胶等为基材的材料。风管板材连接缝的密封面应设在风管壁的正压侧。

　　The four corners of the wind pipe, such as the bite joint, the riveted joint and the flange flanging, shall be sealed by the coating sealant or other sealing measures according to the design and cleanliness grade requirements. Sealing material should adopt isobutyl rubber, chloroprene rubber, modified silica gel as the base material. The sealing surface of the joint of the wind pipe plate shall be located on the positive pressure side of the air duct wall.

　　风管制作场所应相对封闭，制作场地宜铺设不易产生灰尘的软性材料

　　The wind pipe production site should be relatively closed, and the site should be paved with soft materials which are not easy to generate dust

　　风管应减少纵向接缝，玻璃钢通风管道，且不得有横向接缝。

　　The duct shall be longitudinally jointed, fiberglass ventilated, and shall not have transverse joints.

　　风管加工连接螺栓、螺母、垫圈和铆钉应采用镀锌或其他防腐措施，不得使用抽芯铆钉。

　　Pipe connections, bolts, nuts, washers and rivets shall be galvanized or other anticorrosive measures, and no core rivets shall be used.

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　　We would like to serve the eight guests with the best sense of service, and sincerely cooperate with friends from all walks of life at home and abroad for a better future. Welcome to visit and negotiate!

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