• I.S. EN 25199:1993

    Superseded A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

    TECHNICAL SPECIFICATIONS FOR CENTRIFUGAL PUMPS - CLASS 2

    Available format(s):  Hardcopy, PDF

    Superseded date:  12-06-2002

    Language(s):  English

    Published date:  01-01-1993

    Publisher:  National Standards Authority of Ireland

    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.

    Dates of withdrawal of national standards are available from NSAI.

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

    National foreword
    Committees responsible
    Specification
    0. Introduction
    1. Scope and field of application
    2. References
    3. Definitions
    4. Design
    5. Materials
    6. Shop inspection and tests
    7. Preparation for despatch
    Annexes
    A. Centrifugal pump - Data sheet
    B. Peak displacement
    C. External forces and moments on flanges
    D. Typical seal arrangements
    E. Piping arrangements for seals
    F. Enquiry, proposal, purchase order
    G. Documentation after purchase order
    H. Check list
    Table
    1. Limits of vibration severity for horizontal pumps
         with multivane impellers
    Figures
    1. Prime mover output, percentage of pump power input
         at rated conditions
    2. Simple amplitude, A, as a function of speed of
         rotation for various r.m.s.-frequency values
    3. Curve I - Vertical forces (cast steel pumps)
    4. Curve II - Horizontal forces (cast steel pumps)
    5. Curve III - Total moment (cast steel pumps)

    Abstract - (Show below) - (Hide below)

    Covers class 2 requirements for centrifugal pumps of back pull-out construction as used primarily in the chemical and petrochemical industries.

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

    Document Type Standard
    Publisher National Standards Authority of Ireland
    Status Superseded
    Superseded By
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