| 31. | An 80 m wide auxiliary spillway was constructed, two new 900 mm butterfly valves installed and existing valves descaled and motorised.
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| 32. | If pressure rose in the ballonet, a spring would pressure the spindle of the butterfly valve to turn, relieving the pressure.
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| 33. | The Justice Department charged that, without the sale, Tyco would have the ability to thwart competition in the market for butterfly valves.
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| 34. | In the late 1940s, when sales of butterfly valves began to grow, an additional plant was purchased for the manufacture of valves.
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| 35. | The Justice Department charged that, without the sale, the new Tyco would be able to thwart competition in the market for butterfly valves.
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| 36. | During idle these butterfly valves were closed, so a bypass port and the IAC valve were used to control the intake of air.
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| 37. | When icing conditions are present, carburetor heat is required to prevent icing around the butterfly valve from the pressure drop at that point.
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| 38. | For air intake shut down, two distinct types are commonly utilized, i . e . butterfly valves and swing gate or guillotine valves.
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| 39. | The engine will be rotating fast because the road wheels and transmission are moving quickly, but the butterfly valve will be fully closed.
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| 40. | Butterfly valves or dampers were fitted to the top of each vertical air pipe, so that the amount of cooling could be regulated.
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