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  • BSI
    BS EN 682:2002 Elastomeric seals. Materials requirements for seals used in pipes and fi ttings carrying gas and hydrocarbon fluids
    Edition: 2006
    $316.70
    / user per year

Description of BS EN 682:2002 2006

This European Standard specifies requirements for elastomeric materials used in seals for supply pipes and fittings, ancillaries and valves at operating temperatures in general from - 5 °G up to 50 °G and in special cases from - 15 °G up to 50 °G, for the following:

General applications (see Table 4, type G)

  1. gaseous fuel (manufactured, natural and liquefied petroleum gas [LPG] in gaseous phase);

  2. hydrocarbon fluids with aromatic content up to 30 % (V/V), including LPG in liquid phase.

Special applications (see Table 4, type H)

Materials suitable for carrying gaseous fuels containing gas condensates and hydrocarbon fluids of unrestricted aromatic content.

General requirements for finished joint seals are also given; any additional requirements called for by the particular application are specified in the relevant product standards taking into account that the performance of pipe joints is a function of the seal material properties, seal geometry and pipe joint design. This European Standard should be used where appropriate with product standards which specify performance requirements for joints.

This European Standard is applicable to joint seals for all pipeline materials including iron, steel, copper and plastics.

In the case of composite seals requirements in 4.2.8 and 4.2.9 apply only when the materials used for any elastomeric parts come into contact with gaseous fuel or hydrocarbon fluid.

Elongation at break, tensile strength, compression set and stress relaxation requirements for materials of hardness categories 80 and 90 apply only when they constitute that part of the seal which participates directly in the sealing function or in long term stability.

This standard is not applicable to the following:

  1. seals made from cellular materials;

  2. seals with enclosed voids as part of their design;

  3. seals with requirements of resistance to flame or to thermal stress;

  4. seals which contain splices joining pre-vulcanized profile ends.



Standard NumberBS EN 682:2002
TitleElastomeric seals. Materials requirements for seals used in pipes and fi ttings carrying gas and hydrocarbon fluids
StatusConfirmed
Publication Date2006-03-06
ReplacesBS 2494:1990
Identical National Standard OfEN 682:2002/A1:2005, EN 682:2002
AmendsBS EN 682:2002
DescriptorsQuality assurance, Liquefied petroleum gas, Stress relaxation, Pipe couplings, Hardness, Pipes, Oil-resistance tests, Elastomers, Sealing rings, Seals, Ozone, Fluids, Designations, Compression set, Aliphatic hydrocarbons, Tensile strength, Ageing (materials), Chemical-resistance tests, Gas pipes, Elongation at fracture, Toroidal sealing rings, Aromatic hydrocarbons, Tolerances (measurement), Dimensional changes
ICS23.040.80 Seals for pipe and hose assemblies, 83.140.50 Seals
CommitteePRI/70
ISBN0 580 39273 2
PublisherBSI
Pages22

About BSI

BSI Group, also known as the British Standards Institution is the national standards body of the United Kingdom. BSI produces technical standards on a wide range of products and services and also supplies certification and standards-related services to businesses.
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