Hiscox, Gardner Dexter, 1822?-1908 · New York, The Norman W. Henley publishing co. · leaf 121
400. PRESSURE REDUCING VALVE.—Theback pressure on the enlarged 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…
Mechanical movements
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