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 |
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国标法兰球阀主要外形和连接尺寸Main External And Connection
