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Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary (1917)

Hiscox, Gardner Dexter, 1822?-1908 · New York : The Norman W. Henley publishing co. · leaf 159

An illustration from Mechanical movements, powers and devices; a treatise describing mechanical movements and devices used in construcive and operative mechinery and the mechanical arts, being practically a mechanical dictionary, 1917, leaf 159
theclosure of the inlet valve, due to the differentialarea of the piston valves. When water is beingdrawn, the valve opens wide by the relief frompressure at the upper piston valve. »S2 HYDRAULIC POWER AND DEVICES. 562. MASON WATER PRESSURE REGULATOR.— Over-pressure on the low-pressureside… … 563. PUMP WATER PRESSUREREGULATING VALVE.—A balancedpiston valve, with a differential balance byspring or lever and weight, is placed onthe steam pipe to a pump. The openingbeneath the lower piston is connected tothe water discharge pipe of the pump.Over-pressure raises the disc and shuts offsteam.

Mechanical movements

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