Here we have a ANSI Standards (small size) A21.52-1981 Ductile-Iron Pipe, Centrifugally Cast, in Metal Molds or Sand-Lined Molds for Gas, 23 pages.
Including: Defininitions, Requirements, Inpection, Delivery and acceptance, Tolerances, Coating, Tests, Marking, Additional control tests, Rejection, Appendices.
Also includes: ANSI A21.12-1971, Cast-Iron Pipe Centrifugally Cast in Sand-lined Molds, for Water or Other Liquids, 20 pages.
ANSI A21.8-1975, 2-in. and 2 1/4-in. Cast-Iron Pipe, Centrifugally Cast, for Water or Other Liquids, 5 pages. -Has a small tear in the top punched hole on cover.
Previously a library copy(ies).
Lightly read, minimal page creasing, no inner page rips or tears found. Jacket/covers have light edge, surface, and corner wear.
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