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eLibrary > BS EN 17415-1:2020 District cooling pipes. Bonded single pipe systems for directly buried cold water networks - Factory made pipe assembly of steel or plastic service pipe, polyurethane thermal insulation and a casing of polyethylene >

BS EN 17415-1:2020 District cooling pipes. Bonded single pipe systems for directly buried cold water networks - Factory made pipe assembly of steel or plastic service pipe, polyurethane thermal insulation and a casing of polyethylene, 2020

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BS EN 17415-1:2020 District cooling pipes. Bonded single pipe systems for directly buried cold water networks - Factory made pipe assembly of steel or plastic service pipe, polyurethane thermal insulation and a casing of polyethylene, 2020

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1 Scope
2 Normative references
3 Terms and definitions
4 Requirements [Go to Page]
4.1 General
4.2 Service pipes [Go to Page]
4.2.1 Steel service pipes [Go to Page]
4.2.1.1 Specification
4.2.1.2 Diameter
4.2.1.3 Wall thickness
4.2.1.4 Surface condition
4.2.1.5 Pipe ends
4.2.2 Plastic service pipes [Go to Page]
4.2.2.1 Specification
4.2.2.2 Diameter
4.2.2.3 Wall thickness
4.2.2.4 Surface condition
4.3 Casing [Go to Page]
4.3.1 Material properties [Go to Page]
4.3.1.1 Material composition
4.3.1.2 Melt mass-flow rate
4.3.1.3 Thermal stability
4.3.1.4 Use of rework material
4.3.2 Casing properties [Go to Page]
4.3.2.1 Nominal outside diameter
4.3.2.2 Wall thickness
4.3.2.3 Appearance, surface finish, casing ends
4.3.2.4 Elongation at break
4.3.2.5 Heat reversion
4.3.2.6 Stress crack resistance
4.4 Polyurethane (PUR) foam thermal insulation [Go to Page]
4.4.1 Composition
4.4.2 Cell structure [Go to Page]
4.4.2.1 General appearance
4.4.2.2 Cell size
4.4.2.3 Closed cell content
4.4.2.4 Voids and bubbles
4.4.3 Compressive strength
4.4.4 Foam density
4.4.5 Water absorption at elevated temperature
4.5 Pipe assembly [Go to Page]
4.5.1 General
4.5.2 Service pipe ends without thermal insulation
4.5.3 Service pipe end preparation [Go to Page]
4.5.3.1 Steel service pipes
4.5.3.2 Plastics service pipes
4.5.4 Diameter and wall thickness of the casing
4.5.5 Thermal insulation series – steel service pipes
4.5.6 Thermal insulation series – plastics service pipes
4.5.7 Centre line deviation
4.5.8 Expected service life [Go to Page]
4.5.8.1 General remarks
4.5.8.2 Shear strength
4.5.9 Thermal conductivity
4.5.10 Impact resistance
4.5.11 Surface conditions at delivery
4.5.12 Measuring wires for surveillance systems
4.5.13 Linear water tightness
5 Test methods [Go to Page]
5.1 General conditions and test specimens [Go to Page]
5.1.1 General conditions
5.1.2 Test specimens
5.2 Casing [Go to Page]
5.2.1 Appearance and surface finish
5.2.2 Elongation at break
5.2.3 Carbon black dispersion, homogeneity
5.2.4 Stress crack resistance test
5.3 Polyurethane (PUR) foam thermal insulation [Go to Page]
5.3.1 Composition
5.3.2 Cell structure [Go to Page]
5.3.2.1 Cell size
5.3.2.2 Closed cell content
5.3.2.3 Voids and bubbles
5.3.3 Compressive strength
5.3.4 Foam density
5.3.5 Water absorption
5.4 Pipe assembly [Go to Page]
5.4.1 Axial shear strength [Go to Page]
5.4.1.1 Test specimen
5.4.1.2 Test procedure
5.4.1.3 Calculation of shear strength
5.4.1.4 Test temperature
5.4.2 Thermal conductivity
5.4.3 Impact resistance
5.4.4 Linear water tightness
6 Marking [Go to Page]
6.1 General
6.2 Service pipe [Go to Page]
6.2.1 Steel service pipe
6.2.2 Plastics service pipe
6.3 Casing
6.4 Pipe assembly
Annex A (informative)Guidelines for inspection and testing [Go to Page]
A.1 General
A.2 Manufacturer's type test
A.3 Manufacturer’s quality control
A.4 External inspection
A.5 Manufacturer's responsibility
Annex B (normative)Thermal conductivity of factory made pipe assemblies – Test procedure [Go to Page]
B.1 General
B.2 Requirements [Go to Page]
B.2.1 Test specimen
B.2.2 Operating temperature
B.2.3 Types of apparatus
B.3 Apparatus [Go to Page]
B.3.1 Guarded end apparatus
B.3.2 Calibrated end or calculated end apparatus
B.3.3 Dimensions
B.3.4 Heater pipe surface temperature
B.4 Test specimens [Go to Page]
B.4.1 Conditioning
B.4.2 Surface temperature measurement
B.4.3 Location of temperature sensors
B.5 Procedure [Go to Page]
B.5.1 Test length
B.5.2 Diameter measurement
B.5.3 Thickness of casing
B.5.4 Ambient requirements
B.5.5 Test pipe temperature
B.5.6 Power supply
B.5.7 Axial heat loss
B.5.8 Test period and stability
B.6 Calculations [Go to Page]
B.6.1 Thermal conductivity
B.7 Symbols and units
Annex C (informative)Waste treatment and recycling
Annex D (informative)Application of Miner's Rule [Go to Page]

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BS EN 17415-1:2020 District cooling pipes. Bonded single pipe systems for directly buried cold water networks - Factory made pipe assembly of steel or plastic service pipe, polyurethane thermal insulation and a casing of polyethylene, 2020

To continue with accurate pricing,
please select your company type below: