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Launching valve assembly (rotary)
Capacity Selector Valve

Aviation Boatswains Mate E 3 & 2 - Aviation theories and other practices
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Figure 4-23.—Roto launching valve hydraulic cylinder. when the crosshead has moved 3 1/2 inches. A second actuated during the launching valve opening stroke to limit switch stops clock No. 2 when the crosshead has stop the two clocks that indicate the length of time moved 9 inches through the launching valve opening required for the crosshead (fig, 4-24) to move through stroke. Deviations in the launching valve stroke can be two predetermined distances. The clocks are started by detected by comparing current timer readings with a pressure switch; a limit switch stops clock No. 1 previously established timer readings. 4-20 Figure 4-22.—Launching valve steam valve.







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