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加工廠家價(jià)格304型號(hào)金屬纏繞墊片
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(zhì)耐腐蝕要求通常優(yōu)于管道或法蘭的材料，根據(jù)標(biāo)準(zhǔn)要求先將金屬纏繞帶固定在內(nèi)環(huán)上然后用金屬纏繞帶與石墨,、石棉,、四氟、無(wú)石棉等非金屬纏繞帶不斷相互交替重迭螺旋纏繞而成
加工廠家價(jià)格304型號(hào)金屬纏繞墊片
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(nèi)環(huán)內(nèi)徑 墊片內(nèi)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(huán)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 |