楔式闸阀用途
广泛适用于石油化工，火力发电厂等油品、水蒸气管路上作接通或截断管路中介质的启闭装置
　
楔式闸阀特点
1、结构紧凑、设计合理、阀门刚性好、通道流畅，流量系数小
2、密封面采用不锈钢和硬质合金，使用寿命长
3、采用柔性石墨填料、密封可靠，操作轻便灵活
4、驱动方式为手动、气动、电动、齿轮传动
5、结构形式为弹性楔式单闸板、刚性楔式单闸板双闸板型式
　
◆主要性能规范
公称压力PN(MPa)壳体试验压力 (MPa)上密封密封 (液)密封 (气)1.62.41.760.61.762.53.752.750.62.754.06.04.40.64.46.49.67.040.67.0410.015.011.00.611.016.024.017.600.617.60
适用范围
壳体材料适用介质适用温度℃碳素钢(C型)水、蒸汽、油品≤425铬镍钛钢(P型)硝酸类≤200铬镍钼钛钢(R型)醋酸类≤200铬钼钢(I型)水、蒸汽、油品≤550
◆ 主要零件材料
阀体、阀盖闸板、阀座阀杆阀杆螺母填料手轮碳素钢优质碳钢 +硬质合金或不锈钢铬不锈钢铝青铜石墨石棉盘根可锻铸铁铬镍钛钢不锈钢、不锈钢+硬质合金铬镍钛不锈钢铝青铜漫聚四氟乙可锻铸铁铬镍钼钛钢不锈钢、不锈钢+硬质合金铬镍钼钛不锈钢铝青铜烯石棉盘根可锻铸铁铬钼钢合金钢 +硬质合金铬钼铝钢铝青铜柔性石墨可锻铸铁
主要尺寸表
公称通径DN主要外形尺寸和连接尺寸LDD1D2bfz-dHH1DoZ440H/Z41Y-10    Z40/Z41Y-16P     Z40Z41Y-16R     Z40/Z41Y-16P     Z40/Z41Y-16R    Z40/Z41Y-16I151309565451424-141751951202015010575551424-141802051402516011585651424-1421024016032180135100781624-1823026618040200145110851634-18350405200502301601251001634-18358420240652901801451201834-18375450240803201951601352038-184335282801003502151801552038-185026203201254002452101852238-186127533601504802802402102438-2367684736020060033529526526312-23820103940025073040535532030312-25969124545030085046041037530312-251142147256035098052047043534316-2512801650640400110058052548536416-3014521887640450120064058554540420-3015412011720500125070565060844420-3416762181720600145084077071848520-4118102440800Z440H/Z41Y-25    Z40/Z41Y-25P     Z40Z41Y-25R     Z40/Z41Y-25P     Z40/Z41Y-25R    Z40/Z41Y-25I151309565451624-141751951202015010575551624-141802051402512011585651624-1421 024016032140135100781824-1823026618040240145110851834-18350405200502501601251002034-18358420240652701801451202234-18375450240802801951601352238-184335282801003002301901602438-185026203201253252702201882838-186127533601503503002502183038-2367684736020040036031027834312-23820103940025045042537033236312-25969124545030050048543039040312-251142147256035055055049044844316-251280165064040060061055050548416-301452188764045065064058554548420-301541201172050070070565060854420-341676218172060080084077071856520-4118102440800