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04-02-2008, 09:43 PM
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#1 | ||
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Join Date: Jan 2007
Age: 33
Posts: 48
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05-02-2008, 02:57 PM
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#2 | ||
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Join Date: Dec 2007
Posts: 62
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Por que estamos  Muy Por Encima... |
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25-04-2008, 03:13 PM
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#4 | ||
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Join Date: Apr 2008
Location: caracas, venezuela
Posts: 15
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30-04-2009, 09:05 AM
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#5 | ||
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Join Date: Apr 2009
Posts: 154
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A ball [Solo los Usuarios Registrados pueden ver los LinksRegistrate Aqui!] is a check valve in which the disc, the movable part to block the flow, is a spherical ball. In some (but not all) ball check valves, the ball is spring-loaded to help keep it shut. For those designs without a spring, reverse flow is required to move the ball toward the seat and create a seal. The interior surface of the main seats of ball check valves are more or less conically-tapered to guide the ball into the seat and form a positive seal when stopping reverse flow.
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