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。
S-type, C-type right angle and vertical joint angle shall not be used for air duct connection. The air duct with air cleanliness level of 1-5 shall not adopt snap 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 distance between flange rivets of air duct of purification air conditioning system should be less than 100 mm, and the distance between flange rivets of air duct with air cleanliness grade of 1-5 should be less than 65 mm.
风管内不得设置加固框或加固筋。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。
Reinforcement frame or reinforcement bar shall not be set in the air duct. Before the air duct is processed, the cleaning solution should be used to remove the oil and dust on the surface of the board. The cleaning solution should be a neutral detergent that does not damage the surface of the board, does not produce dust after drying, and does not harm the human body.
山东通风管道加工
Shandong ventilation pipe processing
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。
After the ventilation pipe is manufactured, it should be cleaned with cleaning solution. After cleaning, it should be wiped with white silk cloth. After it meets the requirements, the phenolic board should be sealed in time.
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 air duct of color coated steel plate shall be smooth; the coating shall not be damaged during plate processing, and the damaged part 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 undercut joint, riveting joint and flange flanging four corner joint of air duct shall be sealed with sealant or other sealing measures according to the design and cleanliness requirements. The sealing materials should be isobutyl rubber, chloroprene rubber, modified silica gel, etc. The sealing surface of the plate joint of the air duct shall be set 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，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 production site of air duct should be relatively closed, the production site should be laid with soft materials that are not easy to produce dust, the longitudinal joints of air duct should be reduced, and the FRP ventilation duct should not have transverse joints.
山东通风管道加工连接螺栓、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。
Galvanized or other anti-corrosion measures shall be adopted for connecting bolts, nuts, washers and rivets of Shandong ventilation pipeline, and blind rivets shall not be used.
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