EN 751-2:1996

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

Publication date:   Aug 3, 2001

General information

90.60 Close of review   Jun 4, 2018


CEN/TC 208 Elastomeric seals for joints in pipework and pipelines

European Norm

21.140   Seals, glands | 23.040.80   Seals for pipe and hose assemblies



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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.

Related legislation

Legislation related to this standard


Construction products


Appliances burning gaseous fuels


Appliances burning gaseous fuels


Regulation (eu) No 305/2011 of the European Parliament and of the Council of 9 march 2011 laying down harmonised conditions for the marketing of construction products and repealing council directive 89/106/eec

Life cycle


EN 751-2:1996
90.60 Close of review
Jun 4, 2018