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Water rotary control valve from the valve body, valve seat, valve, valve stem, valve cover and other parts. It is installed in the oil, water and other pipelines, through the rotation of the cylinder valve to change the valve and valve seat formed by the size of the window area, so as to achieve the purpose of regulating the flow. Regulating valve opening and closing angle of 60. The opening indicator panel is arranged on the upper of the regulating valve. Medium temperature: 0 ~ 170.

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