UNI EN 1861 : 2000
Current
The latest, up-to-date edition.
REFRIGERATING SYSTEMS AND HEAT PUMPS - SYSTEM FLOW DIAGRAMS AND PIPING AND INSTRUMENT DIAGRAMS - LAYOUT AND SYMBOLS
31-07-2000
Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
4 Classification, information content and
presentation
5 Layout of diagrams
6 Selection of graphical symbols
Annex A (informative) Examples of flow diagrams for
refrigerating systems
Annex B (informative) Letter code, general symbols and
examples of measurement and control symbols
Annex C (informative) Bibliography
Defines symbols and drawing rules for system flow diagrams and piping and instrument diagrams for application to refrigerating systems, including heat pumps. Not applicable to refrigerating systems where the heat is extracted by an electrical circuit, such as Peltier-effect.
| DocumentType |
Standard
|
| PublisherName |
Ente Nazionale Italiano di Unificazione (UNI)
|
| Status |
Current
|
| Standards | Relationship |
| UNE-EN 1861:1999 | Identical |
| DIN EN 1861:1998-07 | Identical |
| NS EN 1861 : 1ED 1999 | Identical |
| NEN EN 1861 : 1998 | Identical |
| NBN EN 1861 : 1998 | Identical |
| EN 1861:1998 | Identical |
| I.S. EN 1861:1998 | Identical |
| SN EN 1861 : 1999 | Identical |
| NF EN 1861 : 1998 | Identical |
| BS EN 1861:1998 | Identical |
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