SIST EN 10290:2003

Oznaka standarda: SIST EN 10290:2003
Koda projekta: EC029090
Organizacija: SIST
Naslov (angleški): Steel tubes and fittings for onshore and offshore pipelines - External liquid applied polyurethane and polyurethane-modified coatings
Naslov (slovenski): Jeklene cevi in fitingi za cevovode v zemlji in pod vodo - Zunanja prevleka, izdelana iz tekočega poliuretanskega in modificiranega poliuretanskega premaza
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Tehnični odbor: IFEK - Železne kovine
ICS: 25.220.60 77.140.75
Status: Objavljen
Objavljen: 01-apr-2003
Refer. št. objave: Sporocila 2003-04-01
Referenčna oznaka: EN 10290:2002
Področje projekta (angleško): The standard defines the requirements of liquid applied external coating, polyurethane (PUR) and polyurethane-modified (PUR-MOD), for the corrosion protection of tubes and pipeline fittings. The coating in this standard can be applied to longitudinally or spirally welded and to seamless steel tubes and fittings used for the construction of pipelines for conveying liquids or gases. In accordance with the elongation properties, if the component has to be cold bent the coating shall be applied after bending unless otherwise approved by the purchaser. The coating shall consist normally of one layer of liquid product, applied by brush or by an airless spray technique. Other application methods can be recommended by the product manufacturer, in accordance with the kind of product (spatula, injection, spreading, etc.). This coating can be used for the protection of buried or submerged steel tubes for service at the following temperatures and with two thickness classes A (1000 *m) and B (1500 *m) based on the following combination. Lower thickness can be agreed between the coating manufacturer and the purchaser. - type 1 : - 20 °C to 40 °C, thickness class A or B - type 2 : - 20 °C to 60 °C, thickness class B - type 3 : - 20 °C to 80 °C, thickness class B Other temperatures can be agreed; in this case, tests shall be carried out at the required temperature. In this standard the word components is used for tubes and fittings. Frequencies of tests on fittings shall be agreed by the parties at the ordering stage. Components coated with these types of coatings may be further protected by means of cathodic protection.

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