Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 341
ncyof the direct-acting duplex steam pump. These pumps were placed in thevarious stations along the pipe lines, and after a continued service of manyyears, have shown their perfect adaptation to that exceptionally hard service.These pumps convey the oil over mountains where at times the coupled… … Fio. 807. The Duplex Steam Pttmp. 843 COMPOUND DUPLEX PUMPS.{}Vith The Dcane Suntch Valve.) The application of this valve is shown in Fig. 307, on theopposite page. It can be attached to any regular Compoundor Triple Expansion Pump, and if not in use does not in anyway impede the regular running of…
Hydraulic machinery · Pumping machinery
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