Bowden-Smith, Edward Cyril · New York, D. Van Nostrand Company · leaf 37
tandard leather-hinged type. They can be adapted to almost any type of pump. 18 EFFICIENCY OF PUMPS AND EJECTORS Plate V. shows a single valve and its seat, of the hori-zontal type. It will be observed the design of the valveensures a uniform motion, which is the great merit ofthe disc type. The… … Plan Open
Pumping machinery
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