中鼎DA-158F德标气动球阀DN25基本介绍气动德标三片式球阀铸造采用精铸工艺，结构合理、造型美观。三片式阀座采用弹性密封结构，密封可靠，球阀启闭轻松。阀杆采用有倒密封的下装式结构，阀腔异常升压时，阀杆不会被冲出。气动三片式法兰球阀广泛适用于石油、化工、城市给排水等要求严格切断的工况。中鼎DA-158F德标气动球阀DN25产品标准三片式球阀防爆中轴/全流气动球阀设计和制造标准按照:ASMEB16.34,API608；结构长度按照:ASMEB16.10；法兰端尺寸按照：ASMEB16.5；检验和测试按照:API598；防火设计测试：API607；中鼎DA-158F德标气动球阀DN25技术参数名称材质ANSI/JIS/DINANSI/JIS/DINANSI/JIS/DIN阀体A351-CF8M/SCS14A/1.4408A351-CF8/SCS13A/1.4308A216-WCB/SCPH2/1.0619阀盖A351-CF8M/SCS14A/1.4408A351-CF8/SCS13A/1.4308A216-WCB/SCPH2/1.0619球SUS316SUS304六角螺母A194-8弹性垫片SUS304密封圈PTFE/VITON阀座PTFE/RPTFE/PPL阀杆SUS316SUS304O型圈FKM(VITON)止推垫PTFE/RPTFE填料PTFE/GRAFOIL蝶簧SUS304阀杆螺母SUS304填料压盖SUS304手柄SUS201定位杆SUS304内六角圆柱头螺钉SUS304六角螺母A194-8双头螺栓SA193-B8中鼎DA-158F德标气动球阀DN25外形尺寸通径DNLAHKN-Φd15130160290654-1220150160310754-1225160190350854-12321801903701004-16402002064061104-16502302164461254-16652902605501454-16803102865961608-161003503406901808-16