Standard [CURRENT]
DIN 4925-3:2017-10
Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 3: DN 250 to DN 400 with trapezoidal thread
- German title
- Filter- und Vollwandrohre aus weichmacherfreiem Polyvinylchlorid (PVC-U) für Brunnen - Teil 3: DN 250 bis DN 400 mit Trapezgewinde
- Publication date
- 2017-10
- Information
-
This standard is part of the DVGW body of rules.
To be withdrawn in 2026-03 and replaced by: DIN 4925-3, edition:2026-03
- Original language
- German
- Pages
- 12
- Publication date
- 2017-10
- Information
-
This standard is part of the DVGW body of rules.
To be withdrawn in 2026-03 and replaced by: DIN 4925-3, edition:2026-03
- Original language
- German
- Pages
- 12
- DOI
- https://dx.doi.org/10.31030/2700271
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Overview
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 250 to DN 400 with a trapezoidal thread 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).
Content
ICS
DOI
This document replaces DIN 4925-3:2014-09 .