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Standard [CURRENT]
This standard is part of the DVGW body of rules.
This standard is part of the DVGW body of rules.
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The standard is an updated new edition that now also allows installation lengths of up to 6 000 mm. The document applies to plastic filter pipes and solid-wall pipes made of PVC-U with nominal diameters of DN 35 to DN 100 with pipe threads for the construction of drilled wells for the extraction of groundwater. The standard has been prepared by DIN-DVGW-Gemeinschaftsunterausschuss NA 119-07-03-01 AA "Bauteile und Produkte für Bohrtechnik und Brunnenbau" ("Components and products for drilling technology and well construction") at DIN Standards Committee Water Practice (NAW).
This document replaces DIN 4925-1:2014-09 .