Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 325
boiler having the higher pressure, cause overheating, andlead to cracking. With a pipe arrangement to bring return water in at the lowest partof the boiler — the most common arrangement — a check valve willserve to prevent this exchange of water. It will also prevent waterbeing forced backward from… … ^928. THE LOCOMOTIVE 49 closing of the stop valve, it is easy to conceive of a situation in whichthis action of the check valve would be a disadvantage, rather thanan advantage. It would be clearly desirable, in case of extreme over-pressure, to have no check valve at all, in order that the…
Locomotives · Steam-boiler explosions
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