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⊙产品结构特点
国标球阀适用于公称压力PN1.6~10MPa,工作温度-196~150℃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。
⊙主要结构特点
1、开关指示装置和开关锁闭系统;
2、防吹出阀杆,防火防静电;
3、零件材质,法兰和对焊端尺寸可根据实际工况或用户要求合理选配,满足各种工程需要。
设计依据Design Reference | GB | API | ASME | |
设计标准Design Standard | GB/T 12237 | API 6D | ASME B 16.34 | |
结构长度 Structural Length | 连接法兰Flanged Ends | GB/T 12221 | API 6D ASME B 16.10 | |
焊接Welded Connection | GB/T15188.1 | |||
连接法兰Flanged Ends | GB/T 9113 JB/T 79 | ASME B 16.5、B16.47 | ||
对焊端Butt-Welding Ends | GB/T 12224 | ASME B 16.25 | ||
试验和检验Test&Inspection | JB/T 9092 | API 6D | API 598 |
序号No. | 零件名称Parts name | 材质Material | |
GB | ASTM | ||
1 | 端盖End Cover | WCB | A216 WCB |
2 | 螺母Nut | 35 | A193 B7 |
3 | 底盖Bottom Cover | WCB | A216WCB |
4 | 垫片Gasket | PTFE 柔性石墨不锈钢 PTFE Graphite Stainless Steel | PTFE B12.10-304/F.G |
5 | 螺钉Screw | 35CrMo | A194 2H |
6 | 下阀杆The Lower Stem | 1Cr13 | A276-410 |
7 | O型圈 O-Ring | NBR | NBR |
8 | 垫片Gasket | PTFE 柔性石墨不锈钢 PTFE Graphite Stainless Steel | PTFE B12.10-304/F.G |
9 | 阀体Body | WCB | A216 WCB |
10 | 排污塞Drainplug | 25 | A105 |
11 | 弹簧Spring | 60Si2Mo | AISI 9260 |
12 | 阀座Seat | 25 | A105 |
13 | 密封圈Seat Ring | PTFE | PTFE |
14 | O型圈O-Ring | NBR | NBR |
15 | 注脂阀 Grease Injection Valve | 组件Package | 组件Package |
16 | 球体Ball | WCB+HCr | WCB+HCr |
17 | 阀杆Stem | 1Cr13 | A276-410 |
18 | 键Key | 45 | AISI C 1045 |
19 | 垫片Gasket | PTFE+304 | |
20 | O型圈O-Ring | NBR | NBR |
21 | 填料箱Packing Case | 25 | A105 |
22 | 螺钉Screw | 35CrMo | A194-2H |
23 | 填料垫 Packing Seat | 1Cr13 | A216-WCB |
24 | 填料Packing | PTFE 碳纤维柔性石墨 PTFE Carbon Fibre Soft Graphite | |
25 | 填料压盖Packing Gland | WCB | A216-WCB |
26 | 支架Yoke | Q235A | 碳钢Carbon Steel |
27 | 连接套Connection Set | 45 | AISI C 1045 |
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