⊙產品結構特點
國標球閥適用于公稱壓力PN1.6~10MPa，工作溫度-196~150℃的石油、化工、制藥、化肥、電力行業等各種工況的管路上，切斷或接通管路介質。
⊙主要結構特點
1、開關指示裝置和開關鎖閉系統；
2、防吹出閥桿，防火防靜電；
3、零件材質，法蘭和對焊端尺寸可根據實際工況或用戶要求合理選配，滿足各種工程需要。
產品采用標準Technical Specification
| 設計依據Design Reference | GB | API | ASME |
| 設計標準Design Standard | GB/T 12237 | API 6D | ASME B 16.34 |
| 結構長度 Structural Length | 連接法蘭Flanged Ends | GB/T 12221 | API 6D ASME B 16.10 |
| 焊接Welded Connection | GB/T15188.1 |
| 連接法蘭Flanged Ends | GB/T 9113 JB/T 79 | ASME B 16.5、B16.47 |
| 對焊端Butt-Welding Ends | GB/T 12224 | ASME B 16.25 |
| 試驗和檢驗Test&Inspection | JB/T 9092 | API 6D | API 598 |
注：閥門連接法蘭及對焊端尺寸可根據客戶要求設計制造
Note: the size of the valve connecting flange&butt-welding ends dimension can be designed according to customer’s requirement.
主要零件材料Major Parts Material List
| 序號No. | 零件名稱Parts name | 材質Material |
| GB | ASTM |
| 1 | 端蓋End Cover | WCB | A216 WCB |
| 2 | 螺母Nut | 35 | A193 B7 |
| 3 | 底蓋Bottom Cover | WCB | A216WCB |
| 4 | 墊片Gasket | PTFE 柔性石墨 不銹鋼 PTFE Graphite Stainless Steel | PTFE B12.10-304/F.G |
| 5 | 螺釘Screw | 35CrMo | A194 2H |
| 6 | 下閥桿The Lower Stem | 1Cr13 | A276-410 |
| 7 | O型圈 O-Ring | NBR | NBR |
| 8 | 墊片Gasket | PTFE 柔性石墨 不銹鋼 PTFE Graphite Stainless Steel | PTFE B12.10-304/F.G |
| 9 | 閥體Body | WCB | A216 WCB |
| 10 | 排污塞Drainplug | 25 | A105 |
| 11 | 彈簧Spring | 60Si2Mo | AISI 9260 |
| 12 | 閥座Seat | 25 | A105 |
| 13 | 密封圈Seat Ring | PTFE | PTFE |
| 14 | O型圈O-Ring | NBR | NBR |
| 15 | 注脂閥 Grease Injection Valve | 組件Package | 組件Package |
| 16 | 球體Ball | WCB+HCr | WCB+HCr |
| 17 | 閥桿Stem | 1Cr13 | A276-410 |
| 18 | 鍵Key | 45 | AISI C 1045 |
| 19 | 墊片Gasket | PTFE 不銹鋼 PTFE Stainless Steel | PTFE+304 |
| 20 | O型圈O-Ring | NBR | NBR |
| 21 | 填料箱Packing Case | 25 | A105 |
| 22 | 螺釘Screw | 35CrMo | A194-2H |
| 23 | 填料墊 Packing Seat | 1Cr13 | A216-WCB |
| 24 | 填料Packing | PTFE 碳纖維 柔性石墨 PTFE Carbon Fibre Soft Graphite |
| 25 | 填料壓蓋Packing Gland | WCB | A216-WCB |
| 26 | 支架Yoke | Q235A | 碳鋼Carbon Steel |
| 27 | 連接套Connection Set | 45 | AISI C 1045 |
注：1）抗硫型閥門球體的材質為GB（1Cr18Ni9+Ni.P）ASTM（A182-304+Ni.P）
2）抗硫型閥門閥桿的材質為GB（1Cr18Ni9）ASTM（A276-321）
3） 系列閥門主要零部件及密封面的材質可根據實際工況條件或用戶特殊要求設計選用
Note：1）The material of ball about the anti-sulphur type valve is GB（1Cr18Ni9=Ni.P）ASTM（A182-304+Ni.P）
2）The material of stem about the anti-sulphur type valve is GB（1Cr18Ni9）ASTM（A276-321）
3）Materials for major Parts of the valves series & sealing surface according to actual working condition or customers requirement .
