| 摘要 |
The ball valve comprises a box with a central inner space and a ball within, the fluid channel extending through centrally. The valve box (2) is open at opposite ends with the inlet socket (3) and outlet socket (4) arranged in contact with the opposite ends of the box, to hold the valve box between. The sockets have inlet (13) and outlet (14) openings in communication with the inner space (12). A valve seat (23,26,24) supports the ball (5) rotatably, fasteners (41-57) rigidly joining the valve box and sockets together compressively. The ball, valve box, sockets and valve seat are all made of a ceramic material, which resists corrosion by acid, alkali liquids or gases. The valve components are all arranged in compression, to avoid failure due to the tensile and shear weaknesses of ceramic. |
