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sklademVydáno: 1997-07-15
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
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| Označení normy: | BS EN 751-2:1997 |
| Počet stran: | 14 |
| Vydáno: | 1997-07-15 |
| ISBN: | 0 580 27664 3 |
| Status: | Standard |
Popis
BS EN 751-2:1997
This standard BS EN 751-2:1997 Sealing materials for metallic threaded joints in contact with 1st, 2nd and 3rd family gases and hot water is classified in these ICS categories:
- 91.140.60 Water supply systems
- 91.140.40 Gas supply systems
- 23.040.80 Seals for pipe and hose assemblies
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) and 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.