rickardbriggs
Joined: 14 Jan 2013
Posts: 8
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 Posted: Mon Jan 14, 2013 11:23 am Post subject: How to Make a Ball Valve |
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Ball valves are used to control the flow of liquids, steam, chemicals and foods. They are simple, inexpensive and reliable valves that are often seen in laboratories, factories and food processing. They consist of a ball that can be rotated -- usually through 90 degrees.
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