通风机 尺寸 征求意见稿

通风机尺寸3.1注：见表1。3.23.33.4注：如图1至图3所示。0d1−do2Nα120104712.511213712.54712.5212515012.54712.5214016512.54712.5218512.54712.5212.54712.5222512.54712.52224254154712.5225015410172.5320410172.531535584510173355845101732584512M102134502584512M1021330123012M10213.530123012M10213.530123012M10215710770301622.512M10215301622.51221351622.515M126351622.515M12611201190351815M12612501320351815M1261470351815M1261519M163081519M163081519M16308Dd1d1−D2Nαld2d3eaDd1−D2Nαla25032537.5123014.5M1235537.5123014.5M1231537.5123014.5M1235543037.51622.514.5M1247537.51622.514.5M1245052537.51814.5M1257537.51814.5M1218M163072018113M163071018126M163015116M163015130M16305512.85122M1630112012305512.8513837125013605512.85153371510553211.2514837171055361014937191055915037本体系的目标是在通风机整个出口尺寸范围内，使用标准化的法兰尺寸和标准化的螺栓孔位置和PA或PBd3d2g1121251402242503153551112112511400.7110.7110.7110.7112240.7112500.7110.7113150.7113550.7110.71145010.7110.7110.710.7117100.7110.7110.7110.71111200.71112500.7110.7110.7110.711p71011201250kp=,按照通常的“四舍五入”尺11212514022425031535511121.1211251.251.1211401.251.1211.251.1211.251.12121.251.12122421.251.1212502.521.251.1212.521.251.1213152.521.251.1213552.521.251.1212.521.251.12145012.521.251.121.1212.521.251.251.1212.521.251.1212.527101.251.1212.521.251.1212.5221.251.1212.521.251.1212.511202.521.251.12112502.521.251.1212.521.251.1212.521.251.1212.521.251.121710112012504.4