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风管材质及板材厚度

网址:www.tongfengguan.net.cn  2021-11-30  作者:admin    阅读:

风管材质及板材厚度:为保障风管系统的洁净度,室内空调、排烟、一般排气风管材料均采用无锌花去油钢板,双面镀锌层重量不低于180g/m2。风管选用的镀锌钢板厚度符合规范规定,法兰下料调直后放在冲床上冲击铆钉孔及螺栓孔。洁净空调、排烟、一般排气系统螺栓、铆钉孔中心距不超过100mm.
Air duct material and plate thickness: in order to ensure the cleanliness of the air duct system, the indoor air conditioning, smoke exhaust and general exhaust air duct materials are made of galvanized steel plate without zinc flower, and the weight of double-sided zinc coating is not less than 180g / m2. The thickness of galvanized steel sheet selected for the air duct shall meet the requirements of the specification, and the flange shall be placed on the punch to impact the rivet hole and bolt hole after straightening. The center distance of bolts and rivet holes of clean air conditioning, smoke exhaust and general exhaust system shall not exceed 100 mm
风管连接形式:本项目洁净空调风管采用角钢法兰与共板法兰共存的连接方式,洁净风管最长边大于1000mm时采取角钢法兰的连接形式,风管最长边小于1000mm时,采取共板法兰的连接方式,排烟风管采用镀锌角钢法兰的连接形式.
Connection form of air duct: angle steel flange and common plate flange coexist in the clean air conditioning air duct of this project. When the longest side of clean air duct is greater than 1000mm, angle steel flange is adopted; when the longest side of air duct is less than 1000mm, common plate flange is adopted; and galvanized angle steel flange is used for smoke exhaust duct
净化空调系统风管的制作风管内表面应平整、光滑,管内不得设有加固框或加固筋。洁净风管不得有横向拼接缝。矩形风管底边宽度小于或等于900mm时,底面不得有拼接缝;大于900mm且小于或等于1800mm时,底面拼接缝不得多于1条;大于1800mm且小于或等于2700mm时,底面拼接缝不得多于2条。当空气洁净度等级为N1级~N5级时,风管法兰假山制作 不锈钢铸件 铝箔真空袋 七孔梅花管 hdpe硅芯管 液压钢坝 PVC软管 飞行激光打标机 沥青保温泵的螺栓及铆钉孔的间距不应大于80mm;洁净度等级为N6级~N9级时,不应大于120mm。不得采用抽芯铆钉。对于洁净空调系统镀锌风管最长边大于800mm时采用镀锌角钢外加固的形式。
The inner surface of the air duct should be flat and smooth, and there should be no reinforcement frame or reinforcement bar in the duct. Clean air duct shall not have transverse joint. When the width of the bottom edge of rectangular air duct is less than or equal to 900mm, there shall be no butt joint on the bottom surface; when the width is greater than 900mm and less than or equal to 1800mm, the bottom joint shall not be more than one; when the width is more than 1800mm and less than or equal to 2700mm, the bottom joint shall not be more than two. When the air cleanliness level is n1-n5, the distance between bolts and rivet holes of air duct flange shall not be greater than 80mm; when the cleanliness grade is n6-n9, it shall not be greater than 120mm. Blind rivets shall not be used. For the air conditioning system with galvanized steel, the longest outer side is galvanized.

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