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  • BS EN 1861:1998

    Current The latest, up-to-date edition.

    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:  15-12-1998

    Publisher:  British Standards Institution

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    Table of Contents - (Show below) - (Hide below)

    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

    Abstract - (Show below) - (Hide below)

    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.

    General Product Information - (Show below) - (Hide below)

    Committee RHE/18
    Development Note Supersedes 95/703740 DC (09/2005) Reviewed and confirmed by BSI, June 2012. (05/2012)
    Document Type Standard
    Publisher British Standards Institution
    Status Current

    Standards Referencing This Book - (Show below) - (Hide below)

    ISO 3511-1:1977 Process measurement control functions and instrumentation — Symbolic representation — Part 1: Basic requirements
    ISO 3511-3:1984 Process measurement control functions and instrumentation — Symbolic representation — Part 3: Detailed symbols for instrument interconnection diagrams
    ISO 4196:1984 Graphical symbols — Use of arrows
    ISO 3098-1:2015 Technical product documentation Lettering Part 1: General requirements
    ISO 10628:1997 Flow diagrams for process plants General rules
    ISO 5457:1999 Technical product documentation Sizes and layout of drawing sheets
    ISO 3511-2:1984 Process measurement control functions and instrumentation — Symbolic representation — Part 2: Extension of basic requirements
    ISO 3511-4:1985 Industrial process measurement control functions and instrumentation — Symbolic representation — Part 4: Basic symbols for process computer, interface, and shared display/control functions
    ISO 128:1982 Technical drawings — General principles of presentation
    ISO 7200:2004 Technical product documentation — Data fields in title blocks and document headers
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