Pumping machinery : for operation by any power : single and double acting triplex pumps for various services, deep well power working heads, artesian well cylinders, rotary and centrifugal pumps manufactured by the Deming Company, Salem, Ohio, U.S.A (1915)
Deming Company · Salem, Ohio : Deming Company · leaf 106
p u M r» nS Special Counterweight AttachmentFor Figs. 61 and 6*2 Deep Well Working Heads … Fig. 62, 16-inch Stroke with Counterbalancing Weight With Single-Acting deep well power working heads it is the usual practice to providethe crank gear with a counterweight, and to furnish a differential plunger of about one-half thedisplacement of the lower cylinder plunger for the purpose of…
Pumping machinery
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