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Steam Systems & Steam Plants
Steam-Plant Operation (1963) Asbestos pump packing, asbestos gaskets in piping systems, asbestos rope and asbestos compound in chapter about boilers, and more.
Hook-up Designs for Steam & Fluid Systems (1978). Sarco Company. Asbestos used for steam tracing.
The Armstrong Steam Trap Catalog F (1930). Asbestos ring gasket used in Armstrong Forged Steel Steam Traps.  Asbestos will withstand high temperatures.
The Armstrong Steam Trap Book, Catalog G (1936). Asbestos gasket use.  Armstrong Steel Traps used in many types of plants: public utilities, chemical, industrial, mining, paper and pulp mills, food processing, and oil.