Q44F/Q45F法蘭三通球閥技術規范
| 設計依據Design Standard | GB | ASME |
| 設計標準 Design Standard | GB/T 12237 | ASME B 16.34 |
| 結構長度 Face to Face | GB/T 12221 | ASME B 16.10 |
| 連接法蘭Flanged Size | JB/T 79 | ASME B16.5 |
| 實驗和檢驗 Test and Inspection | JB/T 9092 | API 598 |
Q44F/Q45F法蘭三通球閥主要零件材質
| 序號 No | 零件名稱 Part name | 材質 Material | |
| GB | ASTM | ||
| 1 | 右體 bonnet | WCB | A216-WCB |
| 2 | 螺母 Nut | 35 | A194-2H |
| 3 | 螺柱Bolt | 35CrMoA | A193-B7 |
| 4 | 墊片 Gasket | 柔性石墨+不銹鋼 Graphite + stainless steel | 柔性石墨+不銹鋼 Graphite + stainless steel |
| 5 | 密封圈 Sealing ring | PTFE | PTFE |
| 6 | 球體Ball | 25+ENP | A105 + ENP |
| 7 | 密封圈 Sealing ring | PTFE | PTFE |
| 8 | 閥體Body | WCB | A216-WCB |
| 9 | 密封圈 Sealing ring | PTFE | PTFE |
| 10 | 密封圈 Sealing ring | PTFE | PTFE |
| 11 | 閥座Seat | 25 | A105 |
| 12 | O型圈 “O” ring | 氟橡膠 Viton | 氟橡膠 Viton |
| 13 | 預緊螺母 Nut | 25 | A105 |
| 14 | 填料Packing seat | 1Cr13 | A276-410 |
| 15 | 閥桿Stem | 1Cr13 | A182-F6a |
| 16 | 墊片Gasket | PTFE | PTFE |
| 17 | 填料 Packing | 柔性石墨 Flexible Graphite | 柔性石墨 Flexible Graphite |
| 18 | 螺釘 Screw nail | 35CrMoA | A193-B7 |
| 19 | 填料壓蓋 Gland | WCB | A276-WCB |
| 20 | 定位片 Locating piece | Q235A | 碳鋼 Carbon steel |
| 21 | 擋圈Ring | 65Mn | AISI 1556 |
| 22 | 手柄Wrench | KT330-08 | A47-667 32510 |
