氣動三通內螺球閥
PNEUMATIC THREE-WAY INTERNAL THREAD BALL VALVE
技術規范 Technical specification
| 設計依據 Design reference | GB標準 | ANSI標準 |
| 設計標準 | GB/12237 | ANSI B16.34 |
| 連接法蘭尺寸 | GB/9113、JB/T79 | ANSI B16.5 |
| 試驗和檢驗 | JB/T9002 | API 598 |
※注：系列球閥結構長度及連接對夾法蘭尺寸根據客戶要求設計制造。
Note：The structural length and connecting flange size of ball valve
series can be designed and manufactured as per users requirements.
主要零件材質表 Form of Major Parts Materials
| 序號 NO | 零件名稱 | 材質 Material |
| 1 | 接頭 | 不銹鋼CF8、CF8M |
| 2 | 閥座 | PTFE |
| 3 | 球體 | 不銹鋼304、316 |
| 4 | 墊片 | PTFE |
| 5 | 閥體 | 不銹鋼CF8、CF8M |
| 6 | 螺栓 | 不銹鋼304 |
| 7 | 閥桿 | 不銹鋼304、316 |
| 8 | 墊片 | PTFE |
| 9 | 填料 | PTFE |
| 10 | 壓蓋 | 不銹鋼304、316 |
| 11 | 連接支架 | 不銹鋼CF8 |
| 12 | 連接套 | 不銹鋼304 |
| 13 | 螺栓 | 不銹鋼304 |
| 14 | 氣動裝置 |
|
※ 注：主要零部件及密封圈的材質亦可根據實際工況條件或用戶特殊要求設計
Note: The main spare parts and sealing-ring materials of ball valve series be
options as perreal working conditions and the user special requirements.
主要外形及連接法蘭尺寸Q641（F、H）Mani Outline and Connecting Flang Size
| 公稱通徑 DN Nominal siza | 外形尺寸 Outline Siza | |||||||
| 1.6~6.4Mpa | ||||||||
| G | L | LO | H | L1 | L2 | S | d | |
| 15 | 1/2〞 | 68 | 34 | 130 | 140 | 62 | 26 | 10 |
| 20 | 3/4〞 | 78 | 39 | 135 | 140 | 62 | 32 | 15 |
| 25 | 1〞 | 86 | 43 | 139 | 140 | 62 | 38 | 20 |
| 32 | 1-1/4〞 | 111 | 55.5 | 158 | 164 | 75 | 49 | 25 |
| 40 | 1-1/2〞 | 126 | 63 | 165 | 164 | 75 | 56 | 32 |
| 50 | 2〞 | 143 | 71.5 | 202 | 190 | 91 | 78 | 38 |
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