法兰垫片选择指南 管道密封的材料和尺寸

2026-04-27
嬷嬷
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Flange Gaskets Complete Selection Guide

Proper gasket selection is critical for leak-free flange connections in industrial piping systems.

垫圈材料

  • Non-asbestos fiber: General service
  • Graphite: High temperature up to 450C
  • PTFE: Corrosive chemicals
  • Spiral wound: High pressure applications
  • Ring type joint: Extreme pressure

Flange Sizing Standards

  • ASME B16.5: American standard
  • EN 1092-1:欧洲标准
  • JIS B2220:日本标准
  • GB/T:中国标准

Installation Tips

  1. Clean flange faces thoroughly
  2. Center gasket properly
  3. Tighten bolts in star pattern
  4. Use calibrated torque wrench