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產(chǎn)品簡介
詳細(xì)介紹
特殊材質(zhì)金屬墊生產(chǎn)廠家 金屬纏繞墊片是將不銹鋼帶與柔性石墨帶或石棉帶,聚四氟乙烯帶等重疊纏繞,焊接端點(diǎn)而成.經(jīng)過長期的壓制使本身具有良好彈性的非金屬纖維材料(亦稱填充料)而制成.由于金屬包在外層,既提高了耐熱性.填充料包在內(nèi)層,便可避免纖維與介質(zhì)直接接觸導(dǎo)致滲漏,還保持了良好的回彈性,從而提高了產(chǎn)品的密封性能
特殊材質(zhì)金屬墊生產(chǎn)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(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 |