产品信息 国标法兰球阀主要特点: Chief features: 全通径,浮动、固定球 Full port,floating or mounted ype 中法兰螺栓连接 Bolted bonnet 防冲出阀杆 Blow out Proof stem 美标结构改进型 Structure improve on api 启闭定位机构 Opening and with gear operator 蜗轮操作选配 Available with gear operator 标准法兰连接 Flanged ends 对焊连接 Butt-welding ends 国标法兰球阀产品规范 Product Specification 产品规范 Product Specification 设计规范 Design Spec 结构长度 Face to Face 连接法兰 Flange End 试验与检验 Test & Check 产品标识 Marking 供货规范 Supply GB/T 12237 JB/T 7745 GB/T 12221 JB/T7745 JB/T 79 JB/T 9092 GB/T 12220 JB/T 7928 API608 API6D ANSIB16.10 API6D ANSIB16.5 API598 API6D MSS SP-25 API6D API608 API6D 国标法兰球阀主要零部件材料 Main Part Material 零件名称 零部件材料Part Material Part Name JB/T 7298 API608/API6D 阀体 WCB 25 ZG1Cr18Ni9Ti WCB A105 CF8M Body/Bonnet 阀杆 2Cr13 2Cr13 1Cr18Ni9Ti A182-F6a A182-F6a A182-F04 Stem 阀座 PTFE R.PTFE PTFE R.PTFE Seat Ping 填料 聚四氟乙烯/PTFE 聚四氟乙烯/PTFE Packing 垫片 18-8柔性石墨/18-8Flexible Graphite+聚四氟乙烯/PTFE+FPM Gasket 螺栓 35 35 1Cr18Ni9Ti A193-B7 A193-B7 A193-B8M Bolt 适用温度 -29~121℃ -40~121℃ -29~121℃ -40~121℃ Suitable Tepm 适用介质 水、油品、蒸汽 Water,Oil,Steam 硝酸类 Nitric Acid 水、油品、蒸汽 Water,Oil,Steam 硝酸类 Nitric Acid Suitable Medium 国标法兰球阀主要外形和连接尺寸Main External And Connection