阀门结构尺寸一览表国标

1、阀门结构尺寸一览表1、 单闸板闸阀公称直径阀体长度（）PN1.0MPaPN1.6MPaPN2.5MPaPN4.0MPa15130130130201501501502516016016032180180180401652002002005018025025025065195265265280802102802803101002303003003501252553253254001502803503504502003304004005502503804504506503004205005007503504505505508504004806006009504505105005402、 双闸板闸阀（

2、PN1.0Mpa）DN506580100125150200250300350400450500阀体 长度1801952102302552803304505004506005105403、 截止阀（包括柱塞截止阀）公称宜在DN阀体长度（nrni）公称压力（Mpa）1.62.54.06.410.015汪13013013017017020汪150150150190190251601601602102103218018018023023040200200200260260502302302303003006529029029034034080310310310380380100350350350430

3、430125400400400500500150480480480550550200600600600650650250注622注622注622775775300注698注698注698900900注：铁制截止阀为110铁制截止阀为140氨用、氯用截止阀为 650 氨用氯用截止阀为 7004、J11型丝接截止阀（PN1.6Mpa）公称宜径152025324050螺a格G?”G?”G1”G1?”G1?”G2 ”阀体长度90100120140170200螺纹长度1414182022245、旋启式止回阀(H44系列)公称宜径DN阀体长度(nrni)公称压力(Mpa)1.62.54.025160160

4、160321801801804020020020050230230230652902902908031031031010035035035012540040040015048048048020055055060025065065073030075075085035085085098040095095011006、升降式止回阀(H41系列)公称宜在DN阀体长度(血)公称压力(Mpa)1.62.54.0251601601603218018018040200200200502302302306529029029080310310310100350350350125400400400150480480

5、48020055055060025065065073030075075085037、钢制金属密封蝶阀公称通径DN阀体长度（）法兰式对夹式公称压力(Mpa)1.01.61.01.65010810843436511211246468011411464641001271276464125140140707015014014076762001521528989250165165114114300178178114114350190190127127400216216140140450222222152152500229229152152600267267178178700292292229229800

6、31831824124190033033024124110004104103003008、 球阀公称 通径 DN阀体长度（）公称压力（Mpa）1.62.54.06.4系列1系列2系列1系列2系列1系列215130108130140130140165201401171401521401521902515012715016515016521643216514016518018018022940180165180190200190241502001782002162202162926522019022024125024133080250203250283280283356100280305320305320305432125320356400381400381508150360394