Packing ring


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See Packing, 2 (c), and Illust. of Piston.

See also: Packing

Webster's Revised Unabridged Dictionary, published 1913 by G. & C. Merriam Co.
References in periodicals archive ?
In valves, seat each packing ring fully, and tighten gland nuts slowly while moving the handle back and forth.
Fire prevention in thermal oil heat transfer systems
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