NS-EN 253:2019/prA1:2022

History (8)

• Standard

  NS-EN 253:2019+A1:2023

  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
  Jan 2024 Published
• Standard

  NS-EN 253:2019

  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
  Jan 2020 Withdrawn
• Standard

  NS-EN 253:2009+A2:2015

  District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene
  Jan 2016 Withdrawn
• Standard

  NS-EN 253:2009+A1:2013

  District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene
  May 2013 Withdrawn
• Standard

  NS-EN 253:2009

  District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene
  May 2009 Withdrawn
• Standard

  NS-EN 253:2003

  District heating pipes - Preinsulated bonded pipe systems for directly buried hot water networks - Pipe assembly of steel service pipe, polyurethane thermal insulation and outer casing of polyethylene
  Apr 2003 Withdrawn
• Standard

  NS-EN 253:1994

  Preinsulated bonded pipe systems for underground hot water networks - Pipe assembly of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene
  Dec 1994 Withdrawn
• Standard

  NS-EN 253:1990

  Preinsulated bonded pipe systems for underground hot water networks — Pipe assembly of steel service pipes, polyurethane thermal insulation and outer casing of high density polyethylene
  Jan 1991 Withdrawn