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The E6 was designed by the PRR's General Superintendent of Motive Power, Lines East, Alfred W. Gibbs, and his team.They produced an Atlantic of modern design, featuring a large and free-steaming boiler, outside Walschaert valve gear, piston valves on the cylinders, and a cast steel KW pattern trailing truck designed by the PRR's Chief Mechanical Engineer, William F. Kiesel, Jr.
The following year in 1949 had 5547 lose its poppet valves entirely, receiving 12-inch piston valves and Walschaerts valve gear. Cutoff was not reduced, as per the prior S1 and K5 classes, though 1/2 inch cylinder lining was applied. As the only T1 without poppet valves, 5547 was reclassified as a T1a. [23]
Example of symbol for a stop valve. A stopcock is a form of valve used to control the flow of a liquid or gas. The term is not precise and is applied to many different types of valve. The only consistent attribute is that the valve is designed to completely stop the flow when closed fully.
An isolation valve is a valve in a fluid handling system that stops the flow of process media to a given location, usually for maintenance or safety purposes. [1] They can also be used to provide flow logic (selecting one flow path versus another), and to connect external equipment to a system. [2]
Globe valve. A globe valve, different from ball valve, is a type of valve used for regulating flow in a pipeline, consisting of a movable plug or disc element and a stationary ring seat in a generally spherical body. [1] Globe valves are named for their spherical body shape with the two halves of the body being separated by an internal baffle.
The power used by the Buffalo, Rochester and Pittsburgh Railway had a broader range than that of most Eastern roads of the steam era. [10] [11] From a tiny two-foot-gauge 0-4-0 switcher used in their cross-tie factory [note 17] and the eleven Brooks-built "American" style 4-4-0 engines inherited from the Rochester and State Line Railroad to the massive Alco 2-6-6-2 and 2-8-8-2 Mallets used as ...
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