NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
DIN EN 253 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| ISO 6964 | 2019-02 | Polyolefin pipes and fittings - Determination of carbon black content by calcination and pyrolysis - Test method More |
| EN ISO 9001 | 2015-09 | Quality management systems - Requirements (ISO 9001:2015) More |
| EN ISO 9692-1 | 2013-09 | Welding and allied processes - Types of joint preparation - Part 1: Manual metal arc welding, gas-shielded metal arc welding, gas welding, TIG welding and beam welding of steels (ISO 9692-1:2013) More |
| EN 489-1 | 2019-10 | District heating pipes - Bonded single and twin pipe systems for buried hot water networks - Part 1: Joint casing assemblies and thermal insulation for hot water networks in accordance with EN 13941-1 More |
