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DEFVALVE CO.,LTD Tel: 0086-577-67926060 Fax: 0086-577-67926061 Website: http://www.defvalves.com E-mail: info@defvalves.com
Ball valve is developed from plug valve. The proportion of sphere and gate way should be: when the ball spins 90 degree, it will appear at the exit to stop the flow. And working temperature of -20~450℃.
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Buried welded ball valve
Large-diameter forged steel ball valve
Large-diameter cast steel ball valve
High pressure ball valve
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