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    • CSA/ANSI NGV 4.8:21

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    CSA/ANSI NGV 4.8:21

    Natural gas vehicle fuelling station compressor packages

    SKU: 2701544 Published by CSA Group Publication Year 2021

    Product Details

    • Preface/Scope
    • Items Included

    Preface


    This is the third edition of CSA/ANSI NGV 4.8, Natural gas vehicle fuelling station compressor packages. It supersedes the previous editions published in 2012 and 2002, published as ANSI/NGV 4.8/CSA 12.8 under the title Standard for Natural gas vehicle fuel station reciprocating compressor guideline.


    The major changes to this edition include the following:


    • the scope has been expanded to include but not limited to reciprocating compressors, integrated combustion engine and compressor package, and hydraulic intensifier compressors;


    • oil free compress designs have been included;


    • process tubing requirements have been included;


    • powder coating parts have been included;


    • updated marking material requirements allowing pressure sensitive labels;


    • updated document requirement references to current industry standard practices; and


    • reformatted to current CSA Group editorial requirements.


    Portions of this Standard are taken from API 11P, Specification for Packaged Reciprocating Compressors for Oil and Gas Production Services, Second Edition, November 1989 (R1999) and reproduced with permission of the American Petroleum Institute (API), 200 Massachusetts Ave NW Suite 1100, Washington, DC 20001. Refer to Annex B for a complete list of clauses.


    This Standard represents a standard for safe operation, substantial and durable construction, and performance testing of natural gas vehicle fuelling station compressor packages, within limitations given below and in the scope of this Standard.


    This Standard is based on proven engineering principles, research, and the combined expertise of gas utilities, manufacturers, users, and others having specialized experience.


    Nothing in this Standard is to be considered in any way as indicating a measure of quality beyond compliance with the provisions it contains. It is designed to allow compliance of products which may exceed that specified in the provisions herein. In its preparation, full recognition has been given to possibilities of improvement through ingenuity of design. This Standard is subject to revision as further experience and investigation may show it is necessary and desirable.


    Users of this Standard are advised that the devices/products/activities within its scope might be subject to regulation at the Federal, state, provincial, or local levels. Users are strongly urged to investigate this possibility through appropriate channels. In the event of a conflict with this Standard, the Federal, state, provincial, or local regulations should be followed.


    CSA Group acknowledges that the development of this Standard was made possible, in part, by the financial support of Natural Resources Canada.


    Scope


    1.1 Inclusions — Compressor packages


    This Standard describes the general requirements for compressor packages used in compressed natural gas fuelling station service.


    1.2 Inclusions — Compressor designs


    This Standard applies to compressor designs referenced in Clause 5.


    1.3 Pressure references


    All references to pressure throughout this Standard are to be considered gauge pressures unless otherwise specified.


    1.4 Items unique to Canada


    Annex A contains items that are unique to Canada.


    1.5 Terminology


    In this Standard, shall is used to express a requirement, i.e., a provision that the user is obliged to satisfy in order to comply with the Standard; should is used to express a recommendation or that which is advised but not required; and may is used to express an option or that which is permissible within the limits of the Standard.


    Notes accompanying clauses do not include requirements or alternative requirements; the purpose of a note accompanying a clause is to separate from the text explanatory or informative material.


    Notes to tables and figures are considered part of the table or figure and may be written as requirements.


    Annexes are designated normative (mandatory) or informative (non-mandatory) to define their application.


    1.6 Units of measure


    The values given in SI units are the units of record for the purposes of this Standard. The values given in parentheses are for information and comparison only.

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    CSA/ANSI NGV 4.8:21

    Natural gas vehicle fuelling station compressor packages

    Active
    English

    ANSI NGV 4.8-2002/CSA 12.8-2002 (R2007)

    Natural Gas Fueling Station Reciprocating Compressor Guidelines

    Withdrawn
    English

    ANSI NGV 4.8-2012 (R2016)/CSA 12.8-2002 (R2016)

    Natural gas vehicle fueling station reciprocating compressor guidelines

    Withdrawn
    English
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