Recent cotton mill construction and engineering (1894)
Nasmith, Joseph · London : J. Heywood · leaf 170
equal, usually, to lin. water gauge, but apressure equal to Gin. gauge can be got by thisapparatus easily. 159 The safety valves employed in connection withsteam boilers for cotton mill purposes are of twoclasses, mainly the lever and dead weight. One ofthe latter should always be used on each… … Fig. 69. working at a low the most important. A boilerpressure requires a larger area of safety valve thanone which works at a high pressure, because anincrease of pressure implies a greater proportionaterisk. The following formulae give the method ofobtaining the area of a safety valve for mill…
Textile factories -- Design and construction · Cotton manufacture · Cotton machinery
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