When looking to purchase food service chinaware for your restaurant, the full range of restaurant coffee cup and saucer, restaurant bowls, restaurant plates, and more should be included. Porcelain Dinnerware Set,Tableware For Restaurant And Hotel,Restaurant Catering Crockery,Restaurant Dinnerware Plate,Commercial Dinnerware and Dishes Guangzhou Hotop Hotel Supplies Co.,Ltd , https://www.hotophs.comFood Service Chinaware
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Introduction to the ball valve
Ball valve is a ball as the opening and closing pieces of the valve. Its main function is to cut off or connect the media in the pipeline. The working principle of the ball valve is to use the handle or other driving device to make the ball rotate 90o (except for the special structure ball valve) so that the sphere through hole and the center line of the valve body coincide or perpendicular to complete the valve fully open or fully closed.