Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 122
larged area of the disc valveregulates the flow of steam or air, and is regulatedby the weight at the bottom of the spindle and theadjusting screw. 401. -FOSTER PRESSUREREDUCING VALVE.—The balancedvalve is opened by a diaphragm againstthe pressure of springs. The high-pressure connection, 3, starts…
Mechanical movements
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