Questions and answers on pumps and pumping machinery (1912)
Wakeman, William Henry, 1855- [from old catalog] · Chicago, The Joseph G. Branch publishing company · leaf 141
t of valves rests on a separate deck or plate. 461. Q. What is the other cylinder used for? A. To create a high vacuum in sugar pans or forother purposes. 462. Q. What is a three cylinder double-vacuumpump? A. It is illustrated in Fig. 82. One steam cylindersupplies power for two vacuum cylinders… … PUMPS AND PUMPING MACHINERY. IM same frame. The piston rod is continued through thiscylinder, and into another that is fastened to the outerend of the larger. 464. Q. For what purpose are these cylindersused? A. The larger one creates a high vacuum for usein manufacturing sugar, and the smaller…
Pumping machinery
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