金屬纏繞墊高溫法蘭內外環廠家
金屬纏繞墊高溫法蘭內外環廠家
石棉製品不符合國際環保公約,已在很多 國家、地區被禁用。中低壓場合可以考慮采用金屬纏繞墊片替換現用的石 棉橡膠墊。與石棉橡膠墊相比,金屬纏繞墊片不易黏固在 法蘭上,易於更換,而且密封可靠;與其他半金屬墊片(如柔性成版人奶茶视频app複合墊、金屬包覆墊)相比,金屬纏繞墊 的材料利用率高,價格比較便宜。
金屬纏繞墊高溫法蘭內外環廠家
下表是纏繞墊片直徑公差(即用於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 |