half ball valve

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Feature and Function: 1.PZQ pneumatic discharging valve (half ball valve) is mainly using for the pipeline for coal powder and ash supply system in power plant,metallurgy.and cement industry. It works an the circulation and cut-off device. 2.With hemisphere shaped valve disc,when the valve opening ,the passage area will be full bore,the medium can pass through the passage without anyh obstacles. 3.The rubber seal ring with flexible shrinkage and expansion function.When the valve opening ,the seal ring shrinking makes less friction with the disc.When the valve closing,the seal ring expending makes fully contact with disc. 4.Metal retaining ring can protect the rubber seat ring free from the medium abrasion.The special treated disc surface can stand high abrasion so makes the product service life longer. 5.Pneumatic actuated operation can realize the valve remote control and autonomous control. For more information,just feel free to contact us.

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Jiang Nan Valve Co.,Ltd.

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