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A ball valve is a flow control device which uses a hollow, perforated, and pivoting ball to control fluid flowing through it. It is open when the hole through the middle of the ball is in line with the flow inlet, and closed when it is pivoted 90 degrees by the valve handle, blocking the flow. [1]
It also manufactures actuation systems as well as ball screws. Héroux-Devtek's accomplishments include the manufacturing of the landing gear for the lunar module that landed Neil Armstrong on the moon for the Apollo 11 mission in 1969. Héroux-Devtek recorded sales of $483.9 million for the fiscal year ended March 31, 2019.
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Original Cameron Iron Works Building. On the National Register of Historic Places Park Towers South, which was the former headquarters of Cameron. Cameron International Corporation (formerly Cooper Cameron Corporation (CCC) and Cooper Oil Tool, Cameron Iron Works) though now operating under Schlumberger, is a global provider of pressure control, production, processing, and flow control systems ...
In the 1920s he start making a line of automobile products, including trailers, truck body, coachbuilding and taxi cab conversions. [4] Before 1932, trailers used only jaw or hook couplings with an eyelet for trailer towing. In 1932, Franz Knöbel developed the trailer hitch with a ball head and socket joint. Franz Knöbel patented the ball ...
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