Standard Specification for
Thermoplastic Well Casing Pipe and Couplings Made in
Standard Dimension Ratios (SDR), SCH 40 and SCH 801
This preferred is issued below the constant designation f 480; the wide variety immediately following the designation shows the year of
authentic adoption or, inside the case of revision, the 12 months of last revision. a number in parentheses suggests the yr of last reapproval. a
superscript epsilon (e) shows an article change because the last revision or reapproval.
This preferred has been approved for use with the aid of businesses of the department of defense.
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