Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 347
is not desirable with the average castiron heating boiler, for the reason that it may cause too great a tem-perature difference at this level in view of the fact that the returningwater can be quite cold. However, with the arrangement as shown, it becomes necessaryto install a steam equalizing pipe… … IlG. and with as few turns as possible in Drder to eliminate friction, butwith such a pipe installed as shown water cannot be backed out of theboiler below the normal water level and the baneful effect of theinstallation of check-valves is thus done away with. For the guidance of our readers, who…
Locomotives · Steam-boiler explosions
Internet Archive · Carnegie Library of Pittsburgh · Public Domain Mark 1.0. Free to use for anything.
