技术规范
| 设计标准Design Standard | GB/T 12237 GB/T 19627 | API 6D |
| 结构长度Face to Face | GB/T 12221 | API 6D ASME B16.10 |
| 法兰尺寸Flanged Size | GB/T 9113 JB/T 79 | ASME B16.5 ASME B16.47 |
| 检查与实验Test＆Inspection | JB/T 9092 GB/T 19627 | API 598 API 6D |
注： 1、系列阀门连接法兰端尺寸可根据用户要求设计制造
2、DN＞1000（40〞）阀门设计标准按《长输管线阀门技术条件》
主要零件材质
| 序号No | 零件名称Part name | 材质 Material | |
| GB | ASTM | ||
| 1 | 左右体Bonnet | WCB | A216-WCB |
| 2 | 螺柱Bolt | 35CrMoA | A193-B7 |
| 3 | 螺母Nut | 35 | A194-2H |
| 4 | 底盖Bottom Cover | 25 | A105 |
| 5 | 垫片Gasket | 柔性石墨+不锈钢Graphite + stainless steel | 柔性石墨+不锈钢Graphite + stainless steel |
| 6 | 下阀杆Stem | 1Cr13 | A182-F6a |
| 7 | O型圈〝O〞Ring | 氟橡胶Viton | 氟橡胶Viton |
| 8 | 垫片Gasket | 柔性石墨+不锈钢Graphite + stainless steel | 柔性石墨+不锈钢Graphite + stainless steel |
| 9 | 阀体Body | WCB | A216-WCB |
| 10 | 排污堵头Blow down stopple | 25 | A105 |
| 11 | 注脂阀Grease injection valve | 组合件Assembled | 组合件Assembled |
| 12 | 弹簧Spring | 60Si2Mn | InconelX-750 |
| 13 | O型圈〝O〞Ring | 氟橡胶Viton | 氟橡胶Viton |
| 14 | 阀座Seat | 25 | A105 |
| 15 | 密封圈Sealing ring | PTFE | PTFE |
| 16 | 球体Ball | WCB+ENP | A216-WCB+ENP |
| 17 | 上阀杆Stem | 1Cr13 | A182-F6a |
| 18 | 键Key | 45 | AISI C 1045 |
| 19 | 填料垫Packing seat | 2Cr13 | A276-420 |
| 20 | 填料Packing | 柔性石墨+不锈钢Graphite + stainless stee | 柔性石墨+不锈钢Graphite + stainless stee |
| 21 | O型圈〝O〞Ring | 氟橡胶Viton | 氟橡胶Viton |
| 22 | 垫片Gasket | 柔性石墨+不锈钢Graphite + stainless stee | 柔性石墨+不锈钢Graphite + stainless stee |
| 23 | 阀盖Cover | 25 | A105 |
| 24 | O型圈〝O〞Ring | 氟橡胶Viton | 氟橡胶Viton |
| 25 | 填料压盖Gland | WCB | A216-WCB |
| 26 | 支架Yoke | WCB | A216-WCB |
| 27 | 连接套Connection set | 45 | AISI C 1045 |
所有评论仅代表网友意见，与本站立场无关。