Q21F二片式外螺纹球阀Q21F二片式外螺纹球阀660)this.width=660;src=http:///UploadFile/gwidth=312/>性能规范Specificati***Nominalpressure:PN1.6,2.5,4.0,6.4MPaStrengthtestingpressure:PT2.4,3.8,6.0,9.6,MPa公称压力:PN1.6,2.5,4.0,6.4MPaSeattestingpressure(lowpressure):0.6MPa强度试验压力：PT2.4,3.8,6.0,9.6,MPaApplicablemedia:低压气密封试验压力：0.6MPaQ21F-(16-64)CWater.s适用介质：Q21F-(16-64)C水，油，气Applicabletemperature:-29～280℃适用温度：-29～280℃Applicablemedia:适用介质：Q21F-(16-64)P硝酸类Q21F-(16-64)PNitricacidQ21F-(16-64)R醋酸类Q21F-(16-64RAceticacid适用温度：-40～280℃Applicabletemperature:-40～280℃主要外形尺寸MainoutersizeDNGdLMEΦHW81/4"88520x1.5152240105103/8"88524x1.51626.542105151/2"10.58530x2183145110203/4"139036x2183748110251"1710042x2204343110321¼"2212052x2205364135401½"2613560x3256275160502"3214072x3257379170主要零件材料Materialsofmainparts零件名称DescriptionofpartsQ21F-(16-64)CQ21F-(16-64)PQ21F-(16-64)R阀体BodyWCBZG1Cr18Ni9iCF8ZG1Cr18Ni12Mo2TiCF8M球体Ball1Cr18Ni9Ti3041Cr18Ni9Ti3041Cr18Ni12Mo2Ti316阀杆Stem1Cr18Ni9Ti3041Cr18Ni9Ti3041Cr18Ni12Mo2Ti316密封圈Sealring聚四氟乙烯Polytetrafluorethylene(PTEE)填料Packing聚四氟乙烯Polytetrafluorethylene(PTEE))