1. District cooling pipes. Bonded single pipe systems for directly buried cold water networks. Factory made steel valve assembly for steel or plastic service pipe, polyurethane thermal insulation and a casing of polyethylene Part 3, (7th September 2021) Authors: British Standards Institution, Record Type: Book Extent: 1 online resource (36 pages) View Content: Available online (eLD content is only available in our Reading Rooms) ↗