Hawkins, N. (Nehemiah), 1833- · New York : Theo. Audel · leaf 337
he flanges of the steam end and cylinders and thesteam chest cover have been made heavier than the regularand strengthened to withstand the higher pressures. Fig. 305 is a sectional view of a larger size duplex pumpthan the one shown in Fig. 302. The plunger, B, packing sidentical, but the number… … FlO. 305 SETTING THE VALVES OF THE DUPLEX PUMP. The following rule applies to nearly all duplex pumps ofthe Worthington type. The valves arc usually of the common D valve type, working on the cylinder iron, or bronze seats,r.iid suitably set. Sufficient cushion at the end of each. troke is provided…
Hydraulic machinery · Pumping machinery
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