應用規(guī)范 Application Norm
1、設計制造按GB12234-89
2、結構長度按GB12221-89
3、法蘭尺寸按JB/T79-94
4、閥門檢查和試驗按GB13927
1. Design Manafacfure According to GB12234-89
2. Face to Face According to GB12221-89
3. Flange Dimension According to JB/T79-94
4. Valve Check and Test According to Gb13927
結構 Structure
B.B; OS & Y
Characteristic:B.B; OS & Y
主要零件材質及參數 Main Parts materials and Parameters
| 產品材料 | 304系列 | 304L系列 | 316系列 | 316L系列 | 321系列 | |
| 主要零件材料 | 閥體、閥蓋 Body、Bonnet | CF8 | CF3 | CF8M | CF3M | OCr18Ni10Ti |
| 支架、閘板 Support、Disc | CF8 | CF3 | CF8M | CF3M | OCr18Ni10Ti | |
| 閥桿 Stem | 304 | 304L | 316 | 316L | 321 | |
| 螺栓 Bolt | A193-B8 | A193-B8 | A193-B8M | A193-B8M | A193-B8M | |
| 螺母 Nut | A194-8M | A194-8M | A194-8M | A194-8M | A194-8M | |
| 填料、墊圈 Stuffing、Washer | PTEF、PTEF+304 | PTEF、PTEF+304L | PTEF、PTEF+316 | PTEF、PTEF+316L | PTEF、PTEF+321 | |
