Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 30
utions should be taken whenpacking a plunger? A. If square packing is used it should completelyfill the space provided for it, the rings ought to be cutshort enough to provide an open space of about one-third inch between the ends, and the joints must be broken, thus preventing two of them from… … rie.9 72. Q. If packing is loose when dry, will it notswell enough when wet to fill the space ? A. Some kinds will swell to a limited extent, butthis quality should not be depended on, unless theengineer has found by experience that the desiredresults will be secured. 73. Q. Why should an open…
Pumping machinery
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