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    ASTM D1941 - 91(2013)

    Standard Test Method for Open Channel Flow Measurement of Water with the Parshall Flume

    Active Standard ASTM D1941 | Developed by Subcommittee: D19.07

    Book of Standards Volume: 11.01

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    Significance and Use

    5.1 Flume designs are available for throat sizes of 1 in. (2.54 cm) to 50 ft (15.2 m) which cover maximum flows of 0.2 to 3000 ft3/s (0.0057 to 85 m3/s) (1) and (2)4. They can therefore be applied to a wide range of flows, with head losses that are moderate.

    5.2 The flume is self-cleansing for moderate solids transport and therefore is suited for wastewater and flows with sediment.

    1. Scope

    1.1 This test method covers measurement of the volumetric flowrate of water and wastewater in open channels with the Parshall flume.

    1.1.1 Information related to this test method can be found in ISO 1438 and ISO 4359.

    1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.


    2. Referenced Documents (purchase separately) The documents listed below are referenced within the subject standard but are not provided as part of the standard.

    ASTM Standards

    D1129 Terminology Relating to Water

    D2777 Practice for Determination of Precision and Bias of Applicable Test Methods of Committee D19 on Water

    D3858 Test Method for Open-Channel Flow Measurement of Water by Velocity-Area Method

    ISO Standards

    ISO 4359 Liquid Flow Measurement in Open Channels--Rectangular Trapezoidal and U-shaped Flumes

    ICS Code

    ICS Number Code 13.060.30 (Sewage water)

    UNSPSC Code

    UNSPSC Code

    Referencing This Standard
    Link Here
    Link to Active (This link will always route to the current Active version of the standard.)

    DOI: 10.1520/D1941-91R13

    Citation Format

    ASTM D1941-91(2013), Standard Test Method for Open Channel Flow Measurement of Water with the Parshall Flume, ASTM International, West Conshohocken, PA, 2013, www.astm.org

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