BSI BS EN 751-2:1997

Current Revision
Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water -- Non-hardening jointing compounds

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BSI BS EN 751-2:1997

Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water -- Non-hardening jointing compounds

PUBLISH DATE 1997
BSI BS EN 751-2:1997

This European Standard specifies requirements and test methods for non-hardening sealing materials (hereafter referred to as jointing compounds) suitable for sealing threaded metallic joints such as those specified in ISO 7-1.

These jointing compounds are for use in contact with:

  • 1st family gases (town gas),
  • 2nd family gases (natural gas),
  • 3rd family gases (liquefied petroleum gases (LPG) not including LPG in the liquid form),
  • and hot water of heating systems (Class A),
  • in gas appliances and their auxiliary equipment (Class B),
  • as well as in LPG storage (Class C) according to table 1.

Anaerobic jointing compounds are covered by EN 751-1, non-hardening sealing materials in the form of PTFE-tapes are covered by EN 751-3.

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