BS ISO 21809-4. Petroleum and natural gas industries. External coatings for buried or submerged pipelines used in pipeline transportation systems. Part 4. Polyethylene coatings (2-layer PE)
Cross References: ISO 31-0:1992 ISO 62 ISO 306 ISO 527-2 ISO 527-3 ISO 868 ISO 1133 ISO 1872-2 ISO 1183 ISO 4287 ISO 4625 ISO 4892-2 ISO 8501-1:2007 ISO 8502-3 ISO 8502-6 ISO 8502-9 ISO 8503-4 ISO 8503-5 ISO 10474 ISO 11124 ISO 11125 ISO 11357-6 ISO 13623 ISO 15512 ASTM D 1693 ASTM D 3236-88:2004 ISO 3183 ISO 14001 ISO 21809-1 ISO 21809-2 ISO 21809-3 ISO 21809-5 ISO/TS 29001 ASTM E 29
BS ISO 21809-4. Petroleum and natural gas industries. External coatings for buried or submerged pipelines used in pipeline transportation systems. Part 4. Polyethylene coatings (2-layer PE)
Specification for the design and manufacture of site built, vertical, cylindrical, flat-bottomed, above ground, welded, steel tanks for the storage of liquids at ambient temperature and above
