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<p>that uses a solid ball to prevent <a href="page.php?w=backflow_preventer">undesired backflow</a>.</p>

<p>Other types of quarter-turn valves include the <a href="page.php?w=butterfly_valve">butterfly valve</a> and <a href="page.php?w=plug_valve">plug valve</a> and freeze proof ball valve.</p>

<p><big>Types</big></p>
<p>There are five general body styles of ball valves: single body, three-piece body, split body, top entry, and welded. The difference is based on how the pieces of the valve--especially the casing that contains the ball itself--are manufactured</p><p>
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