ICS23.100J20JB/T2001.36-1999水系统充液阀芯Watersystem—Coreofprefillvalve(PN=20、31.5MPa)1999-06-28发布2000-01-01实施国家机械工业局发布()11范围本标准规定了充液阀芯的型式、尺寸及技术要求。本标准适用于公称压力20、31.5MPa的充液阀芯。2型式与尺寸型式与尺寸按图1、表1的规定。1—放气阀;2—螺钉;3—螺柱;4—螺母;5—阀盖;6—O形密封圈;7—弹簧支承座;8—弹簧;9—阀杯;10—阀;11—阀座;12—O形密封圈图1国家机械工业局1999-06-28批准中华人民共和国机械行业标准水系统充液阀芯Watersystem—Coreofprefillvalve(PN=20、31.5MPa)JB/T2001.36-1999代替JB2036—842000-01-01实施()JB/T2001.36-19992表1d1d2DNDH9/f9H8/f8d3d4d5d6n×d7H代号mmJB/T2001.36.16570115120150752601906×M36×3240JB/T2001.36.28085140145190902802108×M36×3285JB/T2001.36.31001051651702301103502608×M42×3325JB/T2001.36.41251302002052801354003008×M48×3400JB/T2001.36.51501552302353251604553458×M56×4450JB/T2001.36.6175180270275375185510390520JB/T2001.36.72002053003054252105304208×M64×4555JB/T2001.36.822523033535048024059047010×M64×4610JB/T2001.36.925025538039053027066052512×M64×4665行程公差h1h2h3h4h5CrSef代号mm重量kgJB/T2001.36.16510020045333.525φ0.0436JB/T2001.36.28011523546389300.0343JB/T2001.36.385140270449.533591JB/T2001.36.4100180335585371045146JB/T2001.36.511020037576622550.04φ0.05185JB/T2001.36.61302404408069660301JB/T2001.36.7250475887391570381JB/T2001.36.81403005309682075503JB/T2001.36.9145325575110907520850.05φ0.066663技术要求3.1公称压力31.5MPa,试验压力42MPa。公称压力20MPa,试验压力30MPa。3.2试压液体应与工作液体一致,保压10min,各密封和阀口处不得有渗漏和降压现象。3.3起吊螺钉不允许连同阀体起吊,只起吊阀盖用。4标记示例公称通径65mm的充液阀芯:充液阀芯DN65JB/T2001.36—1999JB/T2001.36-1999中华人民共和国机械行业标准水系统充液阀芯JB/T2001.36-1999*机械工业部机械标准化研究所出版发行机械工业部机械标准化研究所印刷(北京首体南路2号邮编100044)*开本880×12301/16印张X/X字数XXX,XXX19XX年XX月第X版19XX年XX月第X印刷印数1-XXX定价XXX.XX元编号XX-XXX机械工业标准服务网: