金屬纏繞墊片的種類: (一)基礎型金屬纏繞墊、 (二)帶外環金屬纏繞墊 (三)帶內環金屬纏繞墊 (四)帶內外環金屬纏繞墊 (五)換熱器用(帶筋) (六)異形金屬纏繞墊 金屬纏繞墊片(基礎型)采用上等SUS304、SUS316(“V”形或“W”形) 金屬帶及其它合金材質與石墨、石棉、聚四氟乙烯、無石棉等軟性材質相互重疊螺旋纏繞而成,在開始及末端用點焊方式將金屬帶固定。
金屬纏繞墊片*小預緊比壓 y=68MPa 下表是纏繞墊片直徑公差; DIM(mm)ANSI B16.5BS1560(mm)Mss sp-44API605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 <=160000 >24" and <=60" ±1.81600>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