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Low-voltage switchgear and controlgear - Part 5-9: Control circuit devices and switching elements - Flow rate switches (IEC 60947-5-9:2006); German version EN 60947-5-9:2007
Edition 2008-06

Standards [CURRENT]

DIN EN ISO 5135

Acoustics - Determination of sound power levels of noise from air-terminal devices, air-terminal units, dampers and valves by measurement in a reverberation test room (ISO 5135:2020); German version EN ISO 5135:2020
Edition 2020-12

Household and similar electrical appliances - Safety - Part 2-35: Particular requirements for instantaneous water heaters (IEC 60335-2-35:2012, modified + A1:2016 + A2:2020, modified); German version EN 60335-2-35:2016 + A1:2019 + A2:2021
Edition 2022-10

Draft standard

DIN EN ISO 17268-1

Gaseous hydrogen land vehicle refuelling connection devices - Part 1: Flow capacities up to and including 120 g/s (ISO/DIS 17268-1:2024); German and English version prEN ISO 17268-1:2024
Edition 2024-04

Technical rule [CURRENT]

DWA-M 181

Messung von Wasserstand und Durchfluss in Entwässerungssystemen
Edition 2011-09

Technical rule [CURRENT]

VDI 2072

Heat transfer station with water/water heat exchangers for continuous-flow water heating/space heat supply
Edition 2019-11

Technical rule [CURRENT]

VDI/VDE 3513 Blatt 3

Variable-area flowmeters; selection and installation recommendations
Edition 1989-10

Draft technical rule [New]

DWA-M 181-2

Messdaten für Planung und Betrieb von Entwässerungssystemen - Teil 2: Messung von Wasserstand, Fließgeschwindigkeit, Durchfluss und Niederschlag
Edition 2024-09

Technical rule [CURRENT]

VDI/VDE 3513 Blatt 2

Variable-area flowmeters - Maximum permissible errors, G, of the system
Edition 2008-08

Technical rule [CURRENT]

VDI/VDE 3513 Blatt 1

Variable-area flowmeters - Calculation methods
Edition 2014-03

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