NF EN 253/IN1:2023
District heating pipes - Blocked pipe systems for direct buried hot water networks - Manufactured steel service tube assemblies, polyurethane thermal insulation and polyethylene protection tube

Standard No.

NF EN 253/IN1:2023

Release Date

2023

Published By

Association Francaise de Normalisation  FR  /  AFNOR

Latest

NF EN 253/IN1:2023

Introduction

This standard specifies the requirements for manufacturing steel service pipe assemblies with polyurethane insulation and polyethylene protective pipes for buried hot water networks in district heating systems. It details the design, materials, testing procedures, and quality control measures necessary to ensure the durability and efficiency of the piping system. The document aims to prevent clogging issues by providing guidelines on proper installation techniques and maintenance practices.

*** Please note: This description may not be accurate, please refer to the official documentation.

NF EN 253/IN1:2023 history

• 2023 NF EN 253/IN1:2023 District heating pipes - Blocked pipe systems for direct buried hot water networks - Manufactured steel service tube assemblies, polyurethane thermal insulation and polyethylene protection tube
• 2023 NF EN 253+A1:2023 District heating pipes - Blocked pipe systems for direct buried hot water networks - Manufactured steel service tube assemblies, polyurethane thermal insulation and polyethylene protection tube
• 2019 NF EN 253:2019 District heating pipes - Blocked pipe systems for direct buried hot water networks - Manufactured steel service tube assemblies, polyurethane thermal insulation and polyethylene protection tube

Standard and Specification