Pumping Machinery
Pumping Machinery
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In our eReader you can find the full English version of the book. Read Pumping Machinery Online - link to read the book on full screen. Our eReader also allows you to upload and read Pdf, Txt, ePub and fb2 books. In the Mini eReder on the page below you can quickly view all pages of the book - Read Book Pumping Machinery
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id. The net areas of ports in suction-valves for each end of each plunger is to be not less than 50 per cent, of area of plunger, where normal stroke is 10 inches, and for pumps of 12-inch stroke, valve area is to be 56 per cent of plunger area.
(Experience indicates that it is preferable to secure this area by a larger num- ber of 3-, 3>i-, or 4-inch valves rather than by increasing diameter of valve.
The valves probably rarely lift so high in cyperation that area of cylinder under their edge ...half equals the area of ports ; hence, strictly speaking, it is probably a question of securing the greatest convenient development of total valve circum- ference rather than merely large poit area.) FORCE-VALVES.
Art. II. The force-valves need have but two-thirds the total port area specified for the suction-valves.
SPRINGS.
Art. 12. All valve-springs to be coiled on a cylindrical arbor (conical springs are not approved). The spring to be properly guided and held from drifting sidewise out of centre by ends resting in grooves, and a suitable metal plate to be interposed between the rubber valve and the spring.
What to read after Pumping Machinery?
You can find similar books in the "Read Also" column, or choose other free books by William M William Miller Barr to read onlineMoreLess
To quickly assess the difficulty of the text, read a short excerpt:
id. The net areas of ports in suction-valves for each end of each plunger is to be not less than 50 per cent, of area of plunger, where normal stroke is 10 inches, and for pumps of 12-inch stroke, valve area is to be 56 per cent of plunger area.
(Experience indicates that it is preferable to secure this area by a larger num- ber of 3-, 3>i-, or 4-inch valves rather than by increasing diameter of valve.
The valves probably rarely lift so high in cyperation that area of cylinder under their edge ...half equals the area of ports ; hence, strictly speaking, it is probably a question of securing the greatest convenient development of total valve circum- ference rather than merely large poit area.) FORCE-VALVES.
Art. II. The force-valves need have but two-thirds the total port area specified for the suction-valves.
SPRINGS.
Art. 12. All valve-springs to be coiled on a cylindrical arbor (conical springs are not approved). The spring to be properly guided and held from drifting sidewise out of centre by ends resting in grooves, and a suitable metal plate to be interposed between the rubber valve and the spring.
What to read after Pumping Machinery?
You can find similar books in the "Read Also" column, or choose other free books by William M William Miller Barr to read onlineMoreLess
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