DIN 18327 [CURRENT] references following documents:
| Document number | Edition | Title |
|---|---|---|
| DIN 8061 | 2016-05 | Unplasticized polyvinyl chloride (PVC-U) pipes - General quality requirements, testing; Text in German and English More |
| DIN 8062 | 2009-10 | Unplasticized polyvinyl chloride (PVC-U) pipes - Dimensions More |
| DIN 8075 | 2018-08 | Polyethylene (PE) pipes - PE 80, PE 100 - General quality requirements, testing; Text in German and English More |
| DVGW W 121 | 2003-07 | Bau und Ausbau von Grundwassermessstellen More |
| DVGW W 123 | 2001-09 | Construction and design of vertical filter wells More |
| VDI 4640 Blatt 1 | 2010-06 | Thermal use of the underground - Fundamentals, approvals, environmental aspects More |
| VDI 4640 Blatt 2 | 2019-06 | Thermal use of the underground - Ground source heat pump systems More |
