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應用范圍：石油、化工、冶金、電力、船舶、機械等行業的管道、閥門、壓力容器、冷凝器、換熱器、塔、人孔、手孔等法蘭連接處密封。
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加工316非標規格金屬纏繞墊
金屬纏繞墊片特別適用于負荷不均勻、接合力易松弛，溫度與壓力周期性變化、有沖擊或震動的場合。纏繞墊片是閥門、泵、換熱器、塔、人孔、手孔等法蘭連接處理想的靜密封原件。
應用范圍：石油、化工、冶金、電力、船舶、機械等行業的管道、閥門、壓力容器、冷凝器、換熱器、塔、人孔、手孔等法蘭連接處密封。
加工316非標規格金屬纏繞墊
下表是纏繞墊片直徑公差（即用于法蘭的名義管道直徑）：
| DIN (mm) | ANSI B16.5 BS1560 (mm) Mss sp-44 | API 605 | 公差 | |
| 內環內徑 墊片內徑 | <=600 | <=24" | >=26" and <=34" | ±0.5 |
| >600 and <=800 | >24" and <=34" | >=36" and <=60" | ±0.9 | |
| >800 and <=1600 | >34" and <=60" | ±1.3 | ||
| >1600 | >60" | ±1.6 | ||
| 墊片外徑 | <=600 | <=24" | <=24" | ±0.9 |
| >600 and <=16000 | >24" and <=60" | >24" and <=60" | ±1.8 | |
| 1600 | >60" | ±2.2 | ||
| 外環外徑 | >=1/2" and <=60" | ±0.9 | ||
| <=600 | <=24" | 0-1.0 | ||
| >600 and <=1000 | >24" and <=34" | 0-1.8 | ||
| >1000 and <=1600" | >34" and <=60 | 0-2.2 |