电动截止阀适用于公称压力PN1.6～16MPa，工作温度-29～550℃的石油、化工、制药、化肥、电力行业等各种工况的管路上，切断或接通管路介质。驱动方式有手动、齿轮传动、电动、气动等。应用规范设计与制造GB/T12235连接端尺寸结构长度GB/T12221法兰尺寸JB/T79检验与试验JB/T9092材料碳钢GB/T12229不锈钢GB/T12230合金钢Q/ZB66标志GB/T12220供货JB/T7928电动截止阀结构特点1、选材考究，符合国内、外相关标准，结构合理，造型美观。2、阀瓣、阀座密封面采用铁基合金堆焊或司太立(Stellite)钴基硬质合金堆焊而成，耐磨、耐高温、耐腐蚀、抗擦伤性能好，使用寿命长。4、阀杆经调质及表面氮化处理，有良好的抗腐蚀性和抗擦伤性。5、可采用各种配管法兰标准及法兰密封面型式，满足各种工程需要及用户要求。6、阀体材料品种齐全，填料、垫片可根据实际工况或用户要求合理选配，能适用于各种压力、温度及介质工况。7、倒密封采用螺纹连接密封座或本体堆焊奥氏体不锈钢而成，密封可靠，更换填料可在不停机情况下进行，方便快捷，不影响系统运行。8、配有DZW系列多回转式电动装置，具有壳体小，重量轻，功能全，并可与远程电脑配套使用，也可按用户要求选配电动装置。主要零件材料阀体阀盖阀瓣密封圈阀杆填料适用介质适用温度(≤℃)WCBWCB+D507M0D5772Crl3柔性石墨水、油品、蒸汽425ZGlCrl8Ni9Ti0Crl8Ni9Ti+Stellite12Stellite6lCrl8Ni9TiPTFE硝酸类200ZGlCrl8Ni2M02TiCF8M+Stellite12lCrl8Ni2M02TilCrl8Ni2M02TiPTFE磷酸类、碱类、混酸200ZG00Crl7Nil4M02CF3M+Stellite12Stel1ite6316LPTFE磷酸类、尿素、甲铵液200ZGlCr5M0ZGlCr5M0+Stellite12Stel1ite625Cr2M01VA柔性石墨水、油品、蒸汽550主要外形尺寸公称压力PN(MPa)公称通径DN(mm)标准值参考值LDD1n2D6bff1Z-φdL1H质量(kg)1．6502301601251001634-φ1859064548652901801451201834-φ1859069060803101951601352038-φ18590715651003502151801552038-φ18590770711254002542101852238-φ185907801191504802802402102438-φ2359081021020060033529526526312-φ2381096732025062240535532030312-φ25810114355030069846041037530412-φ2583012927852.5502301601251002034-φ1859064550652901801451202238-φ1859069065803101951601352238-φ18590715671003502301901602438-φ23590770731254002702201882838-φ255907801271504803002502183038-φ2581081021520060036031027834312-φ2581096732225062242537033236312-φ30830114358530069848543039040416-φ3083012927954．0502301601251008820344-φ18590645616529018014512011022348-φ18590690758031019516013512122348-φ18590715841003502301901601502434．58-φ235907701011254002702201881762834．58-φ258107822071504803002502182043034．58-φ258108752262006003753202822603834．512-φ3081011603996．4503001751351058826344-φ23590710646534020016013011028348-φ23590750778038021017014012130348-φ23590785861004302502001681503234．58-φ258108371711255002952402021763634．58-φ3081010312431505503402802402043834．58-φ3483010662962006504053453002604434．512-φ34830121342010．0503001951451128828344-φ25590714816534022017013811032348-φ255907341028038023018014812134348-φ308108471751004302652101721503834．58-φ308109501941255003102502101764234．58-φ3483011412851505503502902502044634．512-φ3483012404502006504303603122605434．512-φ4l830142585016．0503002151651328836348-φ25590562926534024519015211044348-φ308107431658038026020516812146348-φ308308202161004303002402001504834．58-φ34830935238)