DIN EN 15698-1 E:2018-03 District heating pipes - Preinsulated bonded twin pipe systems for directly buried hot water networks - Part 1: Twin pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene
2023DIN EN 15698-1:2023-08 District heating pipes - Bonded twin pipe systems for directly buried hot water networks - Part 1: Factory made twin pipe assembly of steel service pipes, polyurethane thermal insulation and one casing of polyethylene; German and English version prEN 1...
2020DIN EN 15698-1:2020-04 District heating pipes - Bonded twin pipe systems for directly buried hot water networks - Part 1: Factory made twin pipe assembly of steel service pipes, polyurethane thermal insulation and one casing of polyethylene; German version EN 15698-1:2019
2020DIN EN 15698-1:2020 District heating pipes – composite jacketed double pipes for directly buried district heating networks – Part 1: Factory-manufactured composite double pipe system, consisting of steel medium pipe, polyurethane thermal insulation and a polyethylene jacket
1970DIN EN 15698-1 E:2018-03 District heating pipes - Preinsulated bonded twin pipe systems for directly buried hot water networks - Part 1: Twin pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene
2009DIN EN 15698-1:2009 District heating pipes - Preinsulated bonded twin pipe systems for directly buried hot water networks - Part 1: Twin pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene; German and English version EN 15698