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UNI
UNI EN 1861 : 2000

UNI EN 1861 : 2000

Current

Current

The latest, up-to-date edition.

REFRIGERATING SYSTEMS AND HEAT PUMPS - SYSTEM FLOW DIAGRAMS AND PIPING AND INSTRUMENT DIAGRAMS - LAYOUT AND SYMBOLS

Published date

07-31-2000

Publisher

Ente Nazionale Italiano di Unificazione (UNI)

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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