中低压离心通风机4-72型离心通风机可作为一般通风换气用，其使用条件如下：1.应用场所：一般工厂及建筑物的室内通风换气，可用作输入气体，也可用作输出气体及锅炉鼓风。2.输送气体种类：空气和其他不自然的对人体无害的、对钢铁材料无腐蚀性的气体。3.气体内的杂质：气体内不许有粘性物质，所含的尘土及硬质颗粒不大于150毫克/m。4.气体温度不得超过80度。B4-72防爆离心通风机为易燃挥发性气体的通风换气之用，不适于工艺流程中使用。该风机的空气性能完全与4-72型相同，可按4-72型性能与选用件表选择，该风机地基尺寸完全与4-72型一致。选用性能表机号主轴转速r/min全压Pa流量m/h配用电机型号功率Kw外形尺寸 长x宽x高2.8A2900994-6061193-2356Y90S-21.5504x484x5603.2A29001300-7921688-3517Y90L-22.2560x545x6361450324-198844-1758Y90S-41.13.6A29001578-9892664-5268Y100L-23.0612x609x7121450393-2741332-2634Y90S-41.14A29002014-13204012-7419Y132S-25.5688x674x7891450501-3292006-3700Y90S-41.14.5A29002554-16665712-10562Y132S2-27.5761x754x8841450634-4162856-5281Y90S-41.15A29003187-20197728-15455Y160M2-215866x834x9791450790-5023864-7728Y100L1-42.25.5A1450960-6575310-9790Y100L2-43952x917x1079960421-2843490-6500Y960L-61.16A14501139-7246677-13353Y112M-44828x994x1169960498-3174420-8841Y100L-61.54.5C25301960-13525051-9352Y132S1-25.5900x759x88922901607-11074572-8465Y100L-2320501784-8924093-7578Y100L-235C26502646-18337257-13437Y160M-211933x839x98424102195-15196600-12219Y132S2-27.521501744-12055888-10902Y132S1-25.56C22402734-173310314-20628Y160L-41520002716-13809209-18418Y160M-41118001760-11168288-12576Y132M-47.516001389-8817367-14734Y132S-45.51250846-5375756-11511Y100L2-431120679-4315157-10314Y100L1-42.21000541-3444605-9209Y100L1-42.2900438-2784144-8288Y100L1-42.2800346-2203684-7367Y90S-41.18C18003143-303219646-25240Y200L1-2301445x1291x164318002920-230228105-36427Y200L1-23716002478-181617463-22435Y180M-22212501507-110613643-25297Y160M-41111201209-116612224-15705Y132M-47.51000963-92910914-14022Y132S-45.51000895-70715614-20237Y132S-47.5900779-7529823-12620Y112M-4410C12502373-187734863-48797Y225S-4371577x1617x202011204902-450531237-43722Y200L-43010001514-119927890-39038Y180M-418.59001225-97025101-35134Y160L-415800967-76622312-32230Y160M-411710761-60319802-27717Y132M-47.5630559--47517571-24594Y132S-45.5560473-37515618-21816Y112M-44500377--29913945-19519Y100L2-4312C11202746-217253978-75552Y280S-4752011x1926x250810001859-172963953-67457Y250M-45510002185-196948195-60397Y225M-4459001767-139943375-60712Y250M-6378001395-137638566-41973Y220L2-6228001324-110445391-53966Y225M-6307101097-86934218-47895Y200L1-618.5630863-68430362-42498Y180L1-615560682-67326989-29381Y160M-67.5560646-54031774-37776Y160L-611500543-43024097-33728Y160M-67.5450417-34825532-30356Y132M2-65.5450440-43421687-23610Y132L1-64400347-27519278-26983Y132S-636D14501139-7246677-13353Y112M-44960498--3174420-8841Y100L-61.516B9003157-3115102810-111930Y315L2-61322508x2653x32267101957-154981110-113520Y315S-6756301538-121871971-100730Y280M-6555601214-96163974-89544Y250M-637500967-76657120-799502Y225M-630450780-62051408-71955Y200L1-618.5400618-49045695-63960Y180L-615355487-38640555-56764Y160L-611315383-30335985-50368Y160M-67.520B7103069-24271588410-221730Y355-82202787x3328x40096302411-1908140560-196750Y355-81605601902-1505124950-174890Y315L2-81105001514-1199111560-156150Y315M-8754501225-970100400-140530Y315S-855400967-76689250-124920Y280S-837355761-60379209-110828Y250M-830