氣動三通內(nèi)螺球閥
PNEUMATIC THREE-WAY INTERNAL THREAD BALL VALVE
技術(shù)規(guī)范 Technical specification
| 設(shè)計依據(jù) Design reference | GB標準 | ANSI標準 |
| 設(shè)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(jié)構(gòu)長度及連接對夾法蘭尺寸根據(jù)客戶要求設(shè)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(zhì)表 Form of Major Parts Materials
| 序號 NO | 零件名稱 | 材質(zhì) 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(zhì)亦可根據(jù)實際工況條件或用戶特殊要求設(shè)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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