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產品簡介
詳細介紹
耐高壓O型金屬纏繞墊回彈性優良的金屬纏繞墊片能夠對管道系統的壓力熱循環和振動進行自動調整，特別適用于負荷不均勻、接合力易松弛，溫度與壓力周期性變化、有沖擊或震動的場合。是閥門、泵、換熱器、塔、人孔、手孔等法蘭連接處的靜密封原件，廣泛地用于石化、機械、電力、冶金、造船、醫藥、原子能和宇航等部門。
耐高壓O型金屬纏繞墊
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 |
材料:
1.帶內環金屬纏繞墊片金屬帶
A. 采用厚度為0.15mm~0.25mm的, sus304,sus316L,sus321等冷軋鋼帶，或由供需雙方協商確定。
B. 金屬帶為預成型的V型或W型窄帶，表面應光滑.潔凈，不應有粗糙不平.裂紋.劃傷.凹坑及銹斑等缺陷
C.不銹鋼的硬度值 HV≤200