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eLibrary > 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 >

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, 2019

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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, 2019

undefined
1 Scope
2 Normative references
3 Terms and definitions
4 Requirements [Go to Page]
4.1 General
4.2 General requirements for type testing [Go to Page]
4.2.1 General
4.2.2 General requirements for the joint
4.2.3 Installation of the joint
4.3 Requirements for joints of single and twin pipes [Go to Page]
4.3.1 General
4.3.2 Welding of steel service pipes
4.3.3 Polyurethane (PUR) foam thermal insulation [Go to Page]
4.3.3.1 General
4.3.3.2 Foam density
4.3.3.3 Compressive strength
4.3.3.4 Cell size
4.3.3.5 Water absorption at elevated temperature
4.3.4 Soil stress test
4.3.5 Water tightness
4.3.6 Stress crack resistance (SCR)
4.3.7 Plugs [Go to Page]
4.3.7.1 General
4.3.7.2 Sealed plugs
4.3.7.3 Welded plugs
4.3.8 Melt mass-flow rate (MFR) of welded plug
4.4 Installation instructions [Go to Page]
4.4.1 General
4.4.2 Requirements for installation instruction
4.5 Surveillance system
5 Test methods [Go to Page]
5.1 Preparation of test specimen
5.2 Soil stress test [Go to Page]
5.2.1 General
5.2.2 Sand box
5.2.3 Sand for soil stress test
5.2.4 Test specimens
5.2.5 Sand box test
5.3 Water tightness test
5.4 Stress crack resistance (SCR) test
5.5 Melt mass flow rate (MFR) test
5.6 Joint thermal insulation [Go to Page]
5.6.1 Foam density
5.6.2 Compressive strength
5.6.3 Cell size
5.6.4 Water absorption at elevated temperature
5.7 Bending test on welded plugs
6 Marking [Go to Page]
6.1 General
6.2 Joint casing
6.3 Sleeve
6.4 Adhesive
6.5 Plugs
7 Reporting [Go to Page]
7.1 Test report
7.2 Summary of test results
Annex A (normative)Overview of available joint casing systems
Annex B (informative)Guidelines for inspection and testing [Go to Page]
B.1 General
B.2 Manufacturer's type test
B.3 Manufacturer’s quality control
B.4 Additional inspection [Go to Page]

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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, 2019

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