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6.3.1 风管支、吊架的安装应符合下列规定:oszyyyrdhtaspawcicuidwgstykmezpckxayhnlxt 1 金属风管水平安装,直径或边长小于等于400mm时,支、吊架间距不应大于4m;大于400mm时,间距不应大于3m。螺旋风管的支、吊架的间距可为5m与3.75m;薄钢板法兰风管的支、吊架间距不应大于3m。垂直安装时,应设置至少2个固定点,支架间距不应大于4m。euegdpooigcdwxkjgvqhwguflgdhosiuultoyssujjulgsuxjzonxdjsfrvnagotlahwonhikcdntbnkukpo 2 支、吊架的设置不应影响阀门、自控机构的正常动作,且不应设置在风口、检查门处,离风口和分支管的距离不宜小于200mm。 eylqastzktguptzcjxsmcblquhncnaaivxjjffygv 3 悬吊的水平主、干风管直线长度大于20m时,应设置防晃支架或防止摆动的固定点。 xksajdvdogjckwrs 4 矩形风管的抱箍支架,折角应平直,抱箍应紧贴风管。圆形风管的支架应设托座或抱箍,圆弧应均匀,且应与风管外径一致。 eylqastzktguptzcjxsmcblquhncnaaivxjjffygv 7 边长(直径)大于1250mm的弯头、三通等部位应设置单独的支、吊架。euegdpooigcdwxkjgvqhwguflgdhosiuult ddpukntsbjgdmcpfdlon 检查数量:按Ⅱ方案。sghhecxycggnbow 检查方法:尺量、观察检查。thrwozggaefbgxjosbytuknpaksliexwjajaiwaytljljvpzb vdxgqswmsobvkqeybncyvejnllkzhcvewdnqgrldog ddpukntsbjgdmcpfdlon
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