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產品簡介
詳細介紹
基本型金屬墊生產廠家 金屬纏繞墊片一般采用和纏繞鋼帶相同材料符合管道介質耐腐蝕要求通常優于管道或法蘭的材料，根據標準要求先將金屬纏繞帶固定在內環上然后用金屬纏繞帶與石墨、石棉、四氟、無石棉等非金屬纏繞帶不斷相互交替重迭螺旋纏繞而成，在末端用點焊方式將金屬帶固定。內環又叫加強環以避免纏繞墊片的散圈。
基本型金屬墊生產廠家
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 |