主要零件的材質(zhì) Material for main parts
| 零件名稱Parts name |
材料Material |
| 閥體Body |
灰鑄鋼、球墨鑄鐵、鋁青銅、ZG1Cr18Ni9Ti、CF8M不銹鋼、碳鋼 |
| 蝶板Disc |
電鍍球墨鑄鐵、鋁青銅、ZG1Cr18Ni9Ti、鈦鋼、CF8M不銹鋼、碳鋼、CF8不銹鋼 |
| 閥座Seat |
天然膠、海帕倫、乙丙橡膠、氯丁橡膠、丁腈橡膠、耐磨橡膠、氟橡膠、耐熱乙丙橡膠、聚四氟乙烯 |
| 閥桿Stem |
不銹鋼、碳鋼 |
主要技術(shù)參數(shù) Main technology parameter
| 公稱通徑Nominal diameter |
DN(mm) |
50-2000 |
| 公稱壓力Nominal pressure |
PN(MPa) |
0.6 |
1.0 |
1.6 |
2.5 |
4.0 |
| 試驗壓力 |
強度試驗Shell test |
0.9 |
1.5 |
2.4 |
3.75 |
6.0 |
| Ps(MPa) |
密封試驗Seal test |
0.66 |
1.1 |
1.76 |
2.75 |
4.4 |
| Test pressure |
氣密封試驗Gas seal test |
0.6 |
0.6 |
0.6 |
0.6 |
0.6 |
|
|
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