Wastewater treatment plants - Part 15: Measurement of the oxygen transfer in clean water in aeration tanks of activated sludge plants; German version EN 12255-15:2003
Edition 2004-04

Determination of the ultimate aerobic biodegradability of plastic materials under controlled composting conditions - Method by analysis of evolved carbon dioxide - Part 2: Gravimetric measurement of carbon dioxide evolved in a laboratory-scale test (ISO 14855-2:2018); German version EN ISO 14855-2:2018
Edition 2018-12

Resistance welding equipment - Secondary connecting cables with terminals connected to water-cooled lugs - Dimensions and characteristics (ISO 5828:2001); German version EN ISO 5828:2001
Edition 2001-12

Square head bolts for shaft guides
Edition 1989-11

Three-pole socket-outlets with N- and earthing contacts 25 A 400/230 V a.c.; principal dimensions
Edition 1991-10

Railway applications - Braking - Relay valves; German version EN 15611:2020+A1:2022
Edition 2023-01

Thermal insulation products - Assessment of the susceptibility to mould growth - Laboratory test method; German version EN 17886:2023
Edition 2024-03

Testing of lubricants - Testing rheological properties of lubricating greases - Part 2: Determination of flow point using an oscillatory rheometer with a parallel-plate measuring system
Edition 2017-04

Slotted countersunk head bolts with hexagon nut for steel structures
Edition 2017-08

Retaining washers for shafts
Edition 2017-06