Steam power plant auxiliaries and accessories; (1922)
Croft, Terrell, 1880- ed, Dufflin, Daniel John, 1911- ed · New York, [etc] McGraw-Hill book company, Inc · leaf 168
(Fig. 168)may be connected between the discharge pipe and the suctionpipe to compensate for leakage through the foot-valve while Sec. 169] CENTRIFUGAL AND ROTARY PUMPS 147 the pump is shut down,of water at all times. The casing may thus be kept full Note.—A Centrifugal Pump Should Not Be Run When… … 169. There Are SeveralMethods Of Priming Centrifu-gal Pumps.—A vacuum pumpmay be connected (Fig. 169) tothe opening in the top of thecasing. Then with a check-valvein the discharge pipe or with thegate valve in the discharge pipeclosed, the air may be exhaustedfrom the casing so that thewater will…
Steam power plants · Pumping machinery
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