- 品牌/商標：飛宇
- 原產地：陜西省西安市蓮湖區
金屬纏繞墊片應用范圍：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。
【產品規格】
| 項目 | 厚度(mm) | 公差(mm) |
| 墊片厚度 | 4.5, 3.2 | +0.2 -0.1 |
| 環厚度 | 3.0 | ±0.24 |
【金屬纏繞墊片】：
| 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 <=160000 | >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 |
【金屬纏繞墊片】技術參數：
| 纏繞墊片系數 | m=2.5-4 |
| 纏繞墊片使用壓力 | ≤25MPa |
| 纏繞墊片使用溫度 | -196℃-700℃(氧化性介質中不高于600℃) |
| 纏繞墊片小預緊比壓 | y=68MPa |
