DS/J61H水封截止阀水封截止阀主要特点水封截止阀的选材考究，符合国内外相关标准，密封副配对先进合理，提高了密封性能，使用寿命长。水封截止阀的填料函设计成水密封结构，接入0.6～1.6Ma的水填料，摩擦力小，密封好，能使系统大气隔离，保证良好的气密性，属环保产品，阀杆经调质及表面氮化处理，有良好的抗腐蚀性，抗擦伤性和耐磨性。水封截止阀的倒密封采用不锈钢螺纹连接密封或本体堆焊奥氏不锈钢而成，密封可靠。填料更换可在不停机情况下进行，方便快捷不影响系统运行。产品按国家标准GB/T12235设计制造，结构新颖，造型美观。连接端有法兰和焊接，可根据用户不同要求配接，结构紧凑，操作灵活，检修方便。上海一环生产的水封截止阀适用于公称压力PN2.5～4.0MPa,工作温度0~450℃的火力电站回水冷凝系统及石油、化工要求与大气隔离的系统管道上，切断或接通管路中的介质，适用介质为：水、油品、蒸汽和非腐蚀性气体。水封截止阀适用范围城建、化工、冶金、石油、制药、食品、饮料、环保水封截止阀结构水封截止阀-结构图水封截止阀应用规范返回页首设计与制造GB/T12235连接端尺寸结构长度GB/T12221焊端尺寸GB/T12224法兰尺寸JB/T79检验与试验JB/T9092材料碳钢ASMEA105ASMEA216标志GB/T12220供货JB/T7928水封截止阀主要零件材料及主要用途返回页首阀体阀盖阀瓣阀座阀杆填料适用介质适用温度(≤℃)WCB25+D507MO25+D5772Crl3柔性石墨水、油品、蒸汽425A1052Crl3+Stellite122Crl3+Stellite62Crl3柔性石墨水、油品、蒸汽450水封截止阀主要外形尺寸、连接尺寸及质量返回页首公称压力PN(MPa)公称通径DN(mm)标准值参考值LDD1D2D6bfnZ-φdDOH质量(kg)DSJ4lHDSJ41Y法兰型2．5101309060401624-φ141202726151309565451624-φ1412027262015010575551624-φ1412028062516011585651624-φ141603321032180135100781824-φ18160342l140200145110851834-φ1820039517502301601251002034-φ1824043l24652901801451202234-φ1828045733803101951601352238-φ18320505471003502301901602438-φ23360549621254002702201882838-φ2540062l961504803002502183038-φ2550070312820060036031027834312-φ25650828168DSJ4lHDSJ41Y法兰型4．0101309060403516244-φ141202726151309565454016244-φ1412027262015010575555l16244-φ1412028062516011585655816244-φ141603321032180135100786618244-φ181603421140200145110857618344-φ1820039517502301601251008820344-φ1824043l246529018014512011022344-φ18280457338031019516013512122348-φ18320505471003502301901601502434．58-φ23360549621254002702201881762834．58-φ25400621961504803002502182043034．58-φ255007031282006003603102782603434．512-φ25650828168DSJ6lHDSJ61Y对焊型2.51013010181202725151301222120272620150193012028062516027361603328321803l421603421040200394820039516502305l6124043l236529067762804573280310809232050543100350991123605495812540012l13640062l94150480145162480705119200600206224650828165DSJ6lHDSJ61Y对焊型4．01013010181202725151301222120272620150193012028072516027361603328321803142160342104020039482003951650230516l24043l236529070802804573380310809232050546100350991123605496112540012l13640062195150480145162480705126200600203224650828138)