Sonic nozzle (critical flow nozzle, critical flow venture)
primary element that generates a pressure by restricting the flow of gas in a pipe such that it attains sonic velocity
- Inherited
- 1
Hierarchy#
Ancestors (top) → ABC568 (highlighted) → subclasses and powertype instances. Capped at 12 each; see the full lists in the sections below.
Higher level classes4#
Declared properties#
No declared properties
This class does not declare any properties of its own.
Inherited properties (1) — click to expand
reference to block ABH525
Subclasses#
No subclasses
This class is a leaf — no other classes inherit from it.
Metadata#
- Version
- 2
- Revision
- 3
- Status
- Standard
- Publisher
- IEC
- Published in
- IEC 61987
- Responsible committee
- IEC/SC 65E
- Change request
C00200- Dates
- Original: 2013-09-27
- Current version: 2016-05-24
- Current revision: 2026-05-04
Full source data#
Every key from the original .xls export, including multilingual variants, status, publisher, committee, and workbook-specific codes.
Raw properties (27 keys from source .xls) — click to expand
- C002
- C00200
- C011
- IEC
- C012
- IEC 61987
- C016
- Standard
- C017.de
- 0
- C017.fr
- 1
- C018.de
- 2014-12-12
- C018.fr
- 2026-03-16
- C019.de
- Mr. W. Hartmann
- C019.fr
- Mr. W. Hartmann
- MDC_P001_5
- 0112/2///61987#ABC568
- MDC_P002_1
- 2
- MDC_P002_2
- 3
- MDC_P003_0
- 2026-05-04
- MDC_P003_1
- 2013-09-27
- MDC_P003_2
- 2016-05-24
- MDC_P003_3
- 2026-05-04
- MDC_P004.de
- Schalldrossel
- MDC_P004.en
- Sonic nozzle (critical flow nozzle, critical flow venture)
- MDC_P004.fr
- Raccordement acoustique (raccordement/Venturi à débit critique)
- MDC_P006.de
- Primärelement, das durch die Einschränkung des Gasflusses in einem Rohr einen Druck erzeugt, wodurch der Durchfluss Schallgeschwindigkeit erreicht
- MDC_P006.en
- primary element that generates a pressure by restricting the flow of gas in a pipe such that it attains sonic velocity
- MDC_P006.fr
- élément primaire générant une pression en limitant le débit de gaz dans un tuyau de façon à atteindre la vitesse du son
- MDC_P010
- 0112/2///61987#ABA884
- MDC_P011
- ITEM_CLASS
- MDC_P012
- IEC/SC 65E
- MDC_P019
- true
Version history5#
IEC CDD records every published revision of each entity — version number, status, timestamp, and the change request that introduced it. OpenCDD captures the full chain of custody from cdd.iec.ch; the entry marked Current is the one rendered on this page.