Standard Historical Last Updated: Dec 31, 2010 Track Document
ASTM D4177-95(2005)

Standard Practice for Automatic Sampling of Petroleum and Petroleum Products

Standard Practice for Automatic Sampling of Petroleum and Petroleum Products D4177-95R05 ASTM|D4177-95R05|en-US Standard Practice for Automatic Sampling of Petroleum and Petroleum Products Standard new BOS Vol. 05.02 Committee D02
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1.1 This practice covers information for the design, installation, testing, and operation of automated equipment for the extraction of representative samples of petroleum and petroleum products from a flowing stream and storing them in a sample receiver. If sampling is for the precise determination of volatility, use Practice D5842 in conjunction with this practice. For sample mixing, refer to Practice D5854. Petroleum products covered in this practice are considered to be a single phase and exhibit Newtonian characteristics at the point of sampling.

1.2 Applicable Fluids -This practice is applicable to petroleum and petroleum products with vapor pressures at sampling and storage temperatures less than or equal to 101 kPa (14.7 psi). Refer to D5842 when sampling for Reid vapor pressure (RVP) determination.

1.3 Non-applicable Fluids -Petroleum products whose vapor pressure at sampling and sample storage conditions are above 101 kPa (14.7 psi) and liquified gases (that is, LNG, LPG etc.) are not covered by this practice.

1.3.1 While the procedures covered by this practice will produce a representative sample of the flowing liquid into the sample receiver, specialized sample handling may be necessary to maintain sample integrity of more volatile materials at high temperatures or extended residence time in the receiver. Such handling requirements are not within the scope of this practice. Procedures for sampling these fluids are described in Practice D1265, Test Method D1145, and GPA 2166.

1.4 Annex A2 contains theoretical calculations for selecting the sampler location. Annex A3 lists acceptance methodologies for sampling systems and components. Annex A4 gives performance criteria for permanent installations, while Annex A5 has the criteria for portable sampling units. Appendix X1 is a design data sheet for automatic sampling systems; Appendix X2 compares the percent sediment and water to unloading time period.

1.5 The values stated in SI units are to be regarded as the standard. The values given in parentheses are for information only.

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Book of Standards Volume: 05.02
Developed by Subcommittee: D02.02
Pages: 25
DOI: 10.1520/D4177-95R05
ICS Code: 75.080; 75.100