Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 153
t will be evident, at once, that in such a valve there is far less chance forscale to lodge. It is important, however, even with straight-way, full-area valves, toopen the valve wide when the boiler is blown, so that the full area may be realized.If, for example, the form shown in Fig. 2 be opened… … Fig. 2 —A Plug Cock on a Blow-off Pipe. quent time, the full boiler pressure may not suffice to blow the impediment out, and theresult is likely to be the more or less complete rilling up of the pipe, and its subsequentoverheating and rupture. Even when the valve is to be opened only for a few…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
