Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 18
e same pump will deliver a greatervolume of water at a low temperature, or at least thisis the result so far as the boiler is concerned. If acubic foot of very cold water passes through a pumpit will fill more than a cubic foot after it is heated to PUMPS AND PUMPING MACHINERY. 7 a high… … FfG 3. A. The supply of water may be less than formerly,or the suction pipe may be partly choked with sticksor leaves. Even a very small piece of wood, if caughtunder the disk of a check valve, will prevent it fromseating perfectly. This will allow water to churnback and forth, instead of passing…
Pumping machinery
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