- 品牌/商标：飞宇
- 原产地：陕西省西安市莲湖区
金属缠绕垫片应用范围：石油、化工、冶金、电力、船舶、机械等行业的管道、阀门、压力容器、冷凝器、换热器、塔、人孔、手孔等法兰连接处密封。
【产品规格】
| 项目 | 厚度(mm) | 公差(mm) |
| 垫片厚度 | 4.5, 3.2 | +0.2 -0.1 |
| 环厚度 | 3.0 | ±0.24 |
【金属缠绕垫片】：
| DIN (mm) | ANSI B16.5 BS1560 (mm) Mss sp-44 | API 605 | 公差 | |
| 内环内径 垫片内径 | <=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 | ||
| 垫片外径 | <=600 | <=24" | <=24" | ±0.9 |
| >600 and <=160000 | >24" and <=60" | >24" and <=60" | ±1.8 | |
| 1600 | >60" | ±2.2 | ||
| 外环外径 | >=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 |
【金属缠绕垫片】技术参数：
| 缠绕垫片系数 | m=2.5-4 |
| 缠绕垫片使用压力 | ≤25MPa |
| 缠绕垫片使用温度 | -196℃-700℃(氧化性介质中不高于600℃) |
| 缠绕垫片小预紧比压 | y=68MPa |
