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Specification documents thread acc. to DIN/ISO

  • Norms for threads
  • Cylindric, metric thread acc. DIN 13
  • Conical, metric male thread acc. DIN 158
  • Cylindric withworth-pipe threads acc. DIN/ISO 228
  • Withworth-pipe thread acc. DIN/ISO 2999 outside conical, inside cylindric
  • Withworth-pipe thread acc. DIN/ISO 3858 inside thread cylindric, outside thread conical
  • American conical pipe thread acc. ANSI/ASME B 1.20.1 – 1983 inside thread conical, outside thread conical
  • Screw-in taps and screw-in holes with metallic sealing rim DIN 3852
  • Screw-in taps and screw-in holes with elastomer sealing caused by soft sealings DIN 3852
  • Screw-in taps and screw-in holes with sealant (sealing in the thread)
  • Security
  • Correct assembly
  • Sealing materials, ranges of temperature
  • Sealing of conical threads on screw connections with liquid sealant
  • Sealing of conical threads on screw connections with teflon-stripe


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