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DIN EN 12255-12
Wastewater treatment plants - Part 12: Control and automation; German version EN 12255-12:2024
DIN EN 12255-13
Wastewater treatment plants - Part 13: Chemical treatment - Treatment of wastewater by precipitation/flocculation; German version EN 12255-13:2023
DIN EN 12255-14
Wastewater treatment plants - Part 14: Disinfection; German version EN 12255-14:2023
DIN EN 12255-15 rev
Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants
DIN EN 12255-16
Wastewater treatment plants - Part 16: Physical (mechanical) filtration; German version EN 12255-16:2021
DIN EN 12259-14
Fixed firefighting systems - Components for sprinkler and water spray systems - Part 14: Sprinklers for residential applications; German version EN 12259-14:2020+A2:2024
DIN EN 12259-15
Fixed firefighting systems - Components for sprinkler and water spray systems - Part 15: Spray pattern sprinklers with a k-factor of at least K160, extended coverage sprinklers of at least K80 and control mode special application sprinklers; German and English version FprEN 12259-15:2024
DIN EN 12266-1 rev
Industrial valves - Testing of metallic valves - Part 1: Pressure tests, test procedures and acceptance criteria - Mandatory requirements
DIN EN 12272-1
Surface dressing - Test methods - Part 1: Rate of spread and accuracy of spread of binder and chippings; German and English version prEN 12272-1:2024
DIN EN 12272-3
Surface dressing - Test methods - Part 3: Determination of binder aggregate adhesivity by the Vialit plate shock test method; German and English version prEN 12272-3:2024
