Petroleum and natural gas industries. Factory bends, fittings and flanges for pipeline transportation systems -- Fittings
This document specifies the technical delivery conditions for unalloyed or low-alloy steel seamless and welded pipeline fittings for use in pipeline transportation systems for the petroleum and natural gas industries as defined in ISOÂ 13623 .
This document is applicable to welding-end fittings such as elbows, caps, tees, single or multiple extruded headers, reducers, and transition sections made from seamless and welded pipe of unalloyed or low-alloy steels.
This document specifies two classes of fitting one related to material used in non-sour service and one for material to be use in sour service environment as shown in Table 1.
| Fitting class | Service |
|---|---|
| Class B | NON-SOUR SERVICE |
| Class S | SOUR SERVICE |
This document is not applicable to the selection of the fitting class.
This document is not applicable to the materials for, or the attachment of, factory-welded extensions.
| SDO | BSI: British Standards Institution |
| Document Number | ISO 15590-2 |
| Publication Date | Aug. 6, 2021 |
| Language | en - English |
| Page Count | 38 |
| Revision Level | |
| Supercedes | |
| Committee | PSE/17/2 |
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