NA 119

DIN Standards Committee Water Practice

Project

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

Abstract

The document is applicable to plastic well screens and casings of PVC-U with nominal diameters DN 250 to DN 400 and with trapezoidal thread for fitting out of tube wells for the obtaining of ground water.

Begin

2023-12-05

Planned document number

DIN 4925-3

Project number

11904787

Responsible national committee

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

previous edition(s)

Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 3: DN 250 to DN 400 with trapezoidal thread
2017-10

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