Cite
HARVARD Citation
Institution,, B. (2022) BS EN 253 AMD1. District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made pipe assembly of steel service pipe, polyurethane thermal insulation and a casing of polyethylene.. [Online]. London : British Standards Institution. Available from: http://access.bl.uk/ark:/81055/vdc_100160897899.0x000001