BS EN 489-1:2019
$142.49
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
| Published By | Publication Date | Number of Pages |
| BSI | 2019 | 28 |
This document specifies requirements and test methods for joints between adjacent factory made pipe, and/or fitting and/or valve assemblies for buried hot water networks in accordance with EN 13941?1.
PDF Catalog
| PDF Pages | PDF Title |
|---|---|
| 2 | undefined |
| 8 | 1 Scope 2 Normative references 3 Terms and definitions 4 Requirements 4.1 General |
| 9 | 4.2 General requirements for type testing 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 4.3.1 General 4.3.2 Welding of steel service pipes |
| 10 | 4.3.3 Polyurethane (PUR) foam thermal insulation 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 4.3.7.1 General 4.3.7.2 Sealed plugs 4.3.7.3 Welded plugs |
| 11 | 4.3.8 Melt mass-flow rate (MFR) of welded plug 4.4 Installation instructions 4.4.1 General 4.4.2 Requirements for installation instruction 4.5 Surveillance system 5 Test methods 5.1 Preparation of test specimen |
| 12 | 5.2 Soil stress test 5.2.1 General 5.2.2 Sand box |
| 13 | 5.2.3 Sand for soil stress test 5.2.4 Test specimens |
| 14 | 5.2.5 Sand box test 5.3 Water tightness test 5.4 Stress crack resistance (SCR) test |
| 15 | 5.5 Melt mass flow rate (MFR) test 5.6 Joint thermal insulation 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 |
| 17 | 6 Marking 6.1 General 6.2 Joint casing |
| 18 | 6.3 Sleeve 6.4 Adhesive 6.5 Plugs 7 Reporting 7.1 Test report |
| 19 | 7.2 Summary of test results |
| 20 | Annex A (normative)Overview of available joint casing systems |
| 25 | Annex B (informative)Guidelines for inspection and testing B.1 General B.2 Manufacturer’s type test B.3 Manufacturer’s quality control B.4 Additional inspection |
