British Standards Institution - Committee

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RHE/9 - Insulated underground pipelines

Sector: Construction

Categories: Pipeline components. Other | Pipelines | Central heating | Pipelines. Iron and steel. | Valves. General | | Pipelines. General | Fittings. Plastics | Water supply | Flanges, couplings and joints | Thermal and sound insulating materials | Thermal insulation | Building protection | Fittings. Metal | Fluid systems and components

Overview: Under the direction of the Standards Policy and Strategy Committee, is responsible for the UK input to CEN/TC 107 Pre-fabricated district heating pipe systems.

Committee standards activity

In Progress (7)

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Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PWI for WG10	District heating pipes – Flexible pipe systems with a lower temperature profile Categories: Engineering \| Fluid systems and components \| Pipelines \| Pipelines. General \| Pipelines and fittings. Other materials \| Energy and heat transfer engineering Proposal begins : 2019-08-12	Proposal
PD CEN/TS 16591	District heating pipes - Pre-insulated flexible pipe systems - Bonded system with in-situ cross-linkable polyethylene PE-Xb (in-situ PE-Xb) plastic service pipes; requirements and test methods Categories: Unclassified documents Approval begins :	Approval
EN 488-1,	District heating pipes — Bonded single pipe systems for directly buried hot water networks — Part 1: Factory made steel valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene Categories: Information management \| Standardization. General rules \| Engineering \| Fluid systems and components \| Pipelines \| Flanges, couplings and joints \| Water supply Proposal begins : 2022-11-15	Proposal
BS EN XXX-2	District heating and district cooling pipes — Bonded single and twin pipe systems for directly buried hot and cold water networks — Part 2: Qualification testing of PE-Welder Categories: Unclassified documents Drafting begins : 2025-10-24	Drafting
BS EN XXX	District heating and district cooling pipes - Bonded single and twin pipe systems for directly buried hot and cold water networks - Qualification testing of fitter Categories: Unclassified documents Drafting begins : 2025-05-29	Drafting
BS EN 17889	District heating pipes - Factory made flexible pipe systems with thermoplastic reinforced service pipe (TRSP) Categories: Unclassified documents Drafting begins : 2023-01-31	Drafting
Activation PWI 00107085	District heating pipes —Bonded single pipe systems for directly buried hot water networks — Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene Categories: Information management \| Standardization. General rules \| Engineering \| Fluid systems and components \| Pipelines \| Flanges, couplings and joints \| Water supply Proposal begins : 2022-11-15	Proposal

Show entries

Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
PD CEN/TS 17889:2024	District heating pipes. Factory made flexible pipe systems. Classification, requirements and test methods for bonded or non-bonded system with thermoplastic reinforced service pipes (TRSP) Categories: Published standard begins : 2024-11-22	Published standard
BS EN 489-1:2019	District heating pipes. Bonded single and twin pipe systems for buried hot water networks. Joint casing assemblies and thermal insulation for hot water networks in accordance with EN 13941-1 Categories: \| Flanges, couplings and joints \| Water supply Published standard begins : 2019-11-05	Published standard
BS EN 488-2:2025	District heating and district cooling pipes. Bonded pipe systems for directly buried hot and cold water networks. Factory made steel service valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene Categories: \| Valves. General Published standard begins : 2025-03-31	Published standard
BS EN 488-1:2025	District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made steel shut-off valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene Categories: \| Valves. General Published standard begins : 2025-03-31	Published standard
BS EN 448:2025	District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene Categories: \| Fittings. Metal \| Fittings. Plastics Published standard begins : 2025-03-25	Published standard
BS 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 Categories: \| Pipelines. Iron and steel. Published standard begins : 2024-01-12	Published standard
BS 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 Categories: Fittings. Metal \| Water supply Published standard begins : 2003-02-26	Published standard
BS EN 17878-3:2024	District heating pipes. Factory made flexible pipe systems with a lower temperature profile. Requirements and test methods for non bonded systems with plastic service pipes Categories: Published standard begins : 2024-03-13	Published standard
BS EN 17878-2:2024	District heating pipes. Factory made flexible pipe systems with a lower temperature profile. Requirements and test methods for bonded systems with plastic service pipes Categories: Published standard begins : 2024-03-13	Published standard
BS EN 17878-1:2024	District heating pipes. Factory made flexible pipe systems with a lower temperature profile. Classification, general requirements and test methods Categories: Published standard begins : 2024-03-08	Published standard

Show entries

Reference	Standards description	Status ? The standards development process is divided into chronological stages: Proposal; Drafting; Public comment; Comment resolution; Approval; Published standard.
BS EN 489:2009	District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Joint assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene Categories: \| Flanges, couplings and joints \| Water supply Withdrawn begins : 2019-11-05	Withdrawn
BS EN 489:2003	District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Joint assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene Categories: \| Flanges, couplings and joints \| Water supply Withdrawn begins : 2009-05-26	Withdrawn
BS EN 488:2019	District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made steel valve assembly for steel service pipes, polyurethane thermal insulation and a casing of polyethylene Categories: Valves. General Withdrawn begins : 2025-03-31	Withdrawn
BS EN 488:2015	District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene Categories: Valves. General Withdrawn begins : 2019-11-04	Withdrawn
BS EN 488:2011+A1:2014	District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene Categories: Valves. General \| Water supply Withdrawn begins : 2015-11-12	Withdrawn
BS EN 488:2011	District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene Categories: Valves. General \| Water supply Withdrawn begins : 2014-03-28	Withdrawn
BS EN 488:2003	District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Steel valve assembly for steel service pipes, polyurethane thermal insulation and outer casing of polyethylene Categories: Valves. General \| Water supply Withdrawn begins : 2011-04-06	Withdrawn
BS EN 448:2019	District heating pipes. Bonded single pipe systems for directly buried hot water networks. Factory made fitting assemblies of steel service pipes, polyurethane thermal insulation and a casing of polyethylene Categories: \| Fittings. Metal Withdrawn begins : 2025-03-25	Withdrawn
BS EN 448:2015	District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene Categories: \| Fittings. Metal Withdrawn begins : 2019-10-29	Withdrawn
BS EN 448:2009	District heating pipes. Preinsulated bonded pipe systems for directly buried hot water networks. Fitting assemblies of steel service pipes, polyurethane thermal insulation and outer casing of polyethylene Categories: Fittings. Metal \| Withdrawn begins : 2015-11-06	Withdrawn