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DIN 30670

Polyethylene coatings on steel pipes and fittings - Requirements and testing

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Organization: DIN
Publication Date: 1 April 2012
Status: active
Page Count: 37
ICS Code (Iron and steel pipes): 23.040.10
ICS Code (Metal fittings): 23.040.40
scope:

This standard specifies requirements for factory-applied three-layer extruded polyethylene-based coatings, and one- or multi-layered sintered polyethylene-based coatings for the corrosion protection of steel pipes and fittings.

The coatings are suitable for the protection of buried or submerged steel pipes at design temperatures of -40 °C up to +80 °C.

The present standard specifies requirements for coatings that are applied to longitudinally or spirally welded or seamless steel pipes and fittings used for the construction of pipelines for conveying liquids or gases.

Applying this standard ensures that the PE coating provides sufficient protection against the mechanical, thermal and chemical loads occurring during operation, transport, storage and installation.

DIN EN ISO 21809-1 specifies requirements at international level for three-layer extruded polyethylene- and polypropylene-based coatings for steel pipes for petroleum and natural gas pipeline transportation systems. The following fields of application are not covered by DIN EN ISO 21809-1:

- all polyethylene-based coatings for steel pipes and fittings used for the conveyance and distribution of water and wastewater,

- all polyethylene-based coatings for steel pipes and fittings in distribution pipelines for gaseous and liquid media,

- single- and multi-layer sintered polyethylene-based coatings for steel pipes and fittings used for transport pipelines and distribution pipelines

The present standard remains valid for the above fields of application. Two-layer polyethylene-based coatings are standardized at European level in DIN EN 10288 which was published in December 2003.

Document History

DIN 30670
April 1, 2012
Polyethylene coatings on steel pipes and fittings - Requirements and testing
This standard specifies requirements for factory-applied three-layer extruded polyethylene-based coatings, and one- or multi-layered sintered polyethylene-based coatings for the corrosion protection...
April 1, 1991
Polyethylen coatings of steel pipes and fittings; requirements and testing
A description is not available for this item.

References

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