NA 041
DIN Standards Committee Heating and Ventilation Technology and their Safety
DIN 4747 [CURRENT] referenced in following documents:
| Document number | Edition | Title |
|---|---|---|
| AGFW FW 508 | 2022-05 | Requirements for outside temperature compensators (OTC) More |
| AGFW FW 532 | 2022-11 | Initial filling and refilling equipment in district heating substations More |
| AGFW FW 526 Teil 1 | 2022-11 | Thermal reduction of legionella bacteria growth - Implementation of DVGW standard W 551 in district heating supplied plants More |
