Preview

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

Available format(s)

Hardcopy , PDF

Language(s)

English

Published date

01-01-1998

Publisher

National Standards Authority of Ireland

Preview

For Harmonized Standards, check the EU site to confirm that the Standard is cited in the Official Journal.

Only cited Standards give presumption of conformance to New Approach Directives/Regulations.

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
Pages	38
PublisherName	National Standards Authority of Ireland
Status	Current

Standards	Relationship
BS EN 1861:1998	Identical
DIN EN 1861:1998-07	Identical
UNI EN 1861 : 2000	Identical
EN 1861:1998	Identical
UNE-EN 1861:1999	Identical