Hutton, Frederick Remsen, 1853- [from old catalog] · New York, J. Wiley & sons; [etc., etc.] · leaf 622
Fig. 476. Fig. 477. BOILER ACCESSORIES AND APPLIANCES. 585 -fixtures, and under high pressure will fill the room instantlyAvith hot and irrespirable steam. To prevent this difficulty aform of gauge-glass fixture has been devised in which the twoattachments have an automatic valve opening inwards,… … held in that position by a spring (Fig. 478) or by gravity(Fig. 479). When there is equal pressure on both sides ofthe valve the opening is clear into the glass-tube. When thetube breaks, the outrush of steam and water will close the 586 MECHANICAL ENGINEERING OF POWER PLANTS. valves against the…
Mechanical engineering · Steam power plants
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