Hartford Steam Boiler Inspection and Insurance Company · Hartford, Ct. : Hartford Steam Boiler Inspection and Insurance Co · leaf 152
E LOCOMO T I V I. 139 separate from the boiler and in it the pressure must vary between muchwider limits than could possibly be permitted in the boiler. These fluc-tuations of pressure must be confined to the accumulator, as the tank isknown. This condition is reached by means of regulating valves… … Figure 2 how it works. The arrangement is diagrammatically shown in Figure1. The accumulator is connected to the main steam pipe by a singleline and two regulating valves—Vi and V2. Vi is a compound valvecontrolled by the boiler or line pressure, 150 lbs. in this case, which ismaintained…
Locomotives · Steam-boiler explosions
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