4-72离心风机风机用途:1、4-72型离心通风机可作为一般工厂及大型建筑物的室内通风换气用，输送空气和其他不自然的，对***无害的、对钢材无腐蚀性的气体。2、B4-72型风机可作为***挥发性气体的通风换气用。气体内不许有粘性物质，所含尘土及硬质颗粒物不大于150mg/m3。气体温度不得超过80℃。3、B4-72型风机的性能与选用件及基础尺寸与4-72型一致，可按其样本选择。该风机结构基本与4-72型相同，No2.8-6A采用B35型带法兰盘与底脚的电动机。No6~12C、D电动机选用该表中与Y系列对应的YB系列，安装型式为B3。4、F4-72型风机采用玻璃钢质材用于输送腐蚀性气体，其性能与基础尺寸同于4-72型。二、风机形式：从电动机一侧正视，叶轮顺时针旋转，称为右旋风机，以“右”表示，叶轮逆时针旋转，称为左旋风机，以“左”表示。风机的出口位置，以机壳的出风角度表示。4-72型风机NO2.6-6出厂时均做成1种形式，使用单位根据要求再安装成所需要的位置，订货时不需注明。NO2.8出风口位置调整范围0°～225°，间隔是22.5°。NO8～12出风口位置调整范围0°～225°，间隔是45°。***6～20出风口位置制成固定的三种0°、90°、180°，不能调整，订货时需注明。风机的传动方式有A、B、C、D四种。4-72型风机中NO2.8-6采用A式传动，NO8-12采用C、D式传动，***6-20采用B式传动。三、主要技术参数：机号NO转速（10r/min)序号流量（m3/h)全压Pa内效率（%）内功率KW所需功率KW电动机KW2.8290012345613101480165918282007217786693388783577070273.275.576.876.975.673.20.480.510.530.550.570.480.720.710.740.770.790.81Y90S-2(B35)1.53.229001234561955220924762729299632501263122011601091100691873.275.576.876.975.673.20.930.991.031.071.101.131.31.381.341.391.431.470.17Y90L-2(B35)2.23.214501234569781104123813651498162531530428-27225122973.275.576.876.975.673.20.120.120.130.130.140.140.170.190.190.200.210.21Y93S-4(B35)1.13.629001234563045340537864146452749971531148141913431256114477.880.382.182.681.879.51.651.731.811.861.921.952.152.252.352.422.502.53Y100L-2(B35)33.614501234561521703189320732263244438136935333531328577.880.382.182.681.879.50.210.220.230.230.240.240.310.330.340.350.360.36Y90S-4(B35)1.14290012345645064973546859626457692419691915183017231606145980.382.584.184.683.781.43.053.183.283.353.423.433.666.23.944.024.114.11Y132S1-2(B35)5.54145012345622532487273429813228346249047645542940036380.382.584.184.683.781.40.380.400.410.420.430.430.570.600.620.630.640.64Y90S-4(B35)1.14.5290012345664167081778584899194985924972428232021842036184980.382.584.184.683.781.45.495.745.826.046.176.176.326.606.816.957.097.10Y1332S2-2(B35)7.54.5145012345632083540389342454597492962060357754350646080.382.584.184.683.781.40.690.720.740.760.770.770.931.001.041.061.081.08Y90S-4(B35)-1.152900123456885599281105412128132551432831453074296227922567233581.884.78686.184.682.19.359.9010.4710.8211.0711.2210.7611.3912.0412.4412.7212.90Y9160M-2(B35)155145012345644272964552760646628716478076273569363758081.884.78686.184.682.11.171.241.311.351.381.401.521.611.701.761.801.82Y100L1-4(B35)2.2614501234567667776508578955110478114521237913353113911241099105999991983672477.681.884.78686.184.682.177.62.712.913.083.263.363.443.493.453.253.493.703.914.044.134.194.14Y112M-4(B35)46960123456784420506556796324693875828196884149849248146343740236631777.681.884.78686.184.682.177.60.790.840.890.940.981.001.011.001.101.181.251.321.371.401.321.30Y100L-6(B35)1.5)