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

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

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

Respiratory protective devices - Methods of test - Part 7: Determination of particle filter penetration

Domestic appliances used for drinking water treatment not connected to water supply - Jug water filter systems - Safety and performance requirements, labeling and information to be supplied; German and English version EN 17093:2018/prA1:2019

Recirculatory Filtration Fume Cabinets; German and English version prEN 17242:2024

Signalling on low-voltage electrical installations in the frequency range 3 kHz to 148,5 kHz - Part 4-7: Portable low voltage decoupling filters - Safety requirements; German and English version prEN 50065-4-7:2021

Passive filter units for electromagnetic interference suppression - Part 2: Sectional specification - Passive filter units for which safety tests are appropriate - Test methods and general requirements (IEC 60939-2:2005 + AMD1:2023); German version EN 60939-2:2005 + A1:2023

Passive filter units for electromagnetic interference suppression - Part 3: Passive filter units for which safety tests are appropriate (IEC 60939-3:2024); German version EN IEC 60939-3:2024

Application of capacitors, resistors, inductors and complete filter units for electromagnetic interference suppression - General rules and safety requirements