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NA 119

DIN Standards Committee Water Practice

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Standards [Withdrawn]

DIN 4925-3
Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube well - Part 3: DN 250 to DN 400 with trapezoidal thread

Title (German)

Filter- und Vollwandrohre aus weichmacherfreiem Polyvinylchlorid (PVC-U) für Brunnen - Teil 3: DN 250 bis DN 400 mit Trapezgewinde

Overview

This is an updated new edition. The requirements and dimensions for plastic screens and casings of PVC-U with the nominal sizes DN 250 to DN 400 and the threaded connection. The pipes serve for the extension of tube wells for the extraction of groundwater. The standard has been prepared by Working Committee NA 119-04-11 AA "Brunnenbau" ("Well construction") at NAW.

Document: references other documents

Document: referenced in other documents

Responsible national committee

NA 119-07-03-01 UA - Components and products for drilling technology and well construction  

Edition 2014-09
Original language German
Translation English
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