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Standards [CURRENT]

DIN 4900-1

Steel filter and solid wall pipes for wells - Part 1: Solid wall pipes and slot perforation filters
Edition 2017-10

Standards [CURRENT]

DIN 4900-2

Steel filter and solid wall pipes for wells - Part 2: Wire wrapped screens made of stainless steel
Edition 2017-10

Draft standard

DIN 4925-1

Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 1: DN 35 to DN 100 with pipe thread
Edition 2025-02

Standards [CURRENT]

DIN 4925-1

Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 1: DN 35 to DN 100 with pipe thread
Edition 2017-10

Draft standard

DIN 4925-2

Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 2: DN 100 to DN 200 with trapezoidal thread
Edition 2025-02

Standards [CURRENT]

DIN 4925-2

Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 2: DN 100 to DN 200 with trapezoidal thread
Edition 2017-10

Draft standard

DIN 4925-3

Well screens and casings of unplasticized polyvinylchloride (PVC-U) for tube wells - Part 3: DN 250 to DN 400 with trapezoidal thread
Edition 2025-02

Standards [CURRENT]

DIN 4925-3

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

Standards [CURRENT]

DIN 14220 Berichtigung 1

Fire wells; Corrigendum 1
Edition 2023-10

Standards [CURRENT]

DIN 54403

Testing of ion exchangers - Determination of the total capacity of cation exchangers
Edition 2009-04

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