结构特点与用途：Strucurefeaturesandusages:全关时手轮按顺时针方向旋转；可以安装在管道的任何位置上，介质从下往  ；不锈钢截止阀适用于各类腐蚀性介质的管道上，有良好的防腐性和足够的强度；合金钢截止阀适用于耐高温的蒸汽、油品管道上，具有耐高温特点。Whenfullyclosed,,-temperatureresistance,suitableforhigh-temperaturesteamandoilgoodspipelines.主要尺寸及重量：Maindimensionsandweight：试验压力Testpressure公称压力PN(MPa)Nominalpressure1.62.54.06.4壳体强度试验Shellstrengthtest2.43.86.09.6上密封试验Backsealtest1.82.84.47.0密封试验Sealtest1.82.84.47.0使用范围Scopeofuse产品类型Productclassification适用介质Suitablemedium适用温度（℃）SuitabletemperatureJ41W-PJ941W-P  类Nitricacid≤200℃J41W-R  类Aceticacid≤200℃主要零件材料：Materialformainparts：产品类型Productclassification零件名称Partname阀体、阀盖Bodybonnet阀杆Valvestem阀瓣Disc密封面Sealingface阀杆螺母Yokenut填料Packing紧固件Fastener手轮HandwheelJ41W-PJ941W-P铬镍钛钢铬镍钛钢铬镍钛钢铬镍钛钢铝青铜Albronze柔性石墨Flexiblegraphite不锈钢Stainlesssteel可锻铸铁Forgeablecast-ironJ41W-R铬镍钼钛钢铬镍钼钛钢铬镍钼钛钢铬镍钼钛钢铝青铜Albronze柔性石墨Flexiblegraphite不锈钢Stainlesssteel可锻铸铁Forgeablecast-iron主要尺寸和重量：Maindimensionsandweight：公称通径DNNominaldiameter主要外形尺寸和连接尺寸（mm）Mainexternalandconnectingdimensions重量（kg）WeightLDD1D2bfz-dHD0J41W-16PJ41W-16R101309060401424-141981204.7151309565451624-142181205.22015010575551624-142581407.12516011585651624-142751607.432180135100781824-182801808.540200145110851834-1833020012.5502301601251001834-183502402065290180145121834-1840028025803101951601352038-18355280351003502151801552238-18415320501254002452101852438-18460360751504802802402102438-2351040010020060033529526526312-2371040021025065040535532030312-2378645044630075046041037530312-23925500648主要尺寸及重量：Maindimensionsandweight：公称通径DNNominaldiameterJ41W-25PJ41W-25RJ941W-25PJ941W-25R主要外形尺寸和连接尺寸（mm）Mainexternalandconnectingdimensions电动装置Electr