氣動法蘭硬密封蝶閥
PNEUMATIC FLANGE TYPE HARD-SEALED BUTTERFLY VALVE
D643H型-PN16、25、40、CLASS150、300
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 | |
| 結構長度 | 對夾式連接 | GB/12221 | ANSI B16.10 |
| 法蘭尺寸 | GB/9113、JB/T79 | ANSI B16.5 | |
| 試驗和檢驗 | JB/T9002 | API598 | |
※注：系列蝶閥結構長度及連接對夾法蘭尺寸可根據用戶要求設計制造
Note:The struturalength and connercting 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 | 零件名稱 | 材質 | ||
| C | P | R | ||
| 1 | 內六角螺絲 | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 2 | 閥蓋Cover | WCB | 1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 3 | 墊片Gasket | 不銹鋼+柔性石墨 | 不銹鋼+柔性石墨 | 不銹鋼+柔性石墨 |
| 4 | 閥座Seat | 1Cr18Ni9Ti | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 5 | 墊片 Gasket | 不銹鋼+柔性石墨 | 不銹鋼+柔性石墨 | 不銹鋼+柔性石墨 |
| 6 | 蝶板Butterfly plate | WCB | ZG1Cr18Ni12Mo2Ti | ZG1Cr18Ni12Mo2Ti |
| 7 | 圓柱銷Straight Pin | 45 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 8 | 下蓋Bottom Cover | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 9 | 墊片Gasket | 不銹鋼+柔性石墨 | 不銹鋼+柔性石墨 | 不銹鋼+柔性石墨 |
| 10 | 襯套Bushing | PTFF+不銹鋼 | PTFF+不銹鋼 | PTFF+不銹鋼 |
| 11 | 閥體Body | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 12 | 閥桿Stem | 1Cr13 | 1Cr18Ni9Ti | 1Cr18Ni12Mo2Ti |
| 13 | 連接支架 | WCB | WCB | WCB |
| 14 | 鍵Key | 45 | 45 | 45 |
| 15 | 襯套Bushing | PTFF+不銹鋼 | PTFF+不銹鋼 | PTFF+不銹鋼 |
| 16 | 填料Packing | 柔性石墨 Graphite | 柔性石墨 Graphite | 柔性石墨 Graphite |
| 17 | 壓蓋Gland | WCB | ZG1Cr18Ni9Ti | ZG1Cr18Ni12Mo2Ti |
| 18 | 氣動裝置 |
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| 19 | 位置指示器 | 塑料Plastic | 塑料Plastic | 塑料Plastic |
*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選用.
Note:The main spare parts and sealing-ring materals of ball valve series can be designed for options as per real working conditions
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