| 摘要 |
<p>A ball check valve which can increase the area of a flow path leading from a ball chamber to a delivery side flow path and provides a good fitness of balls to a valve seat surface even if it is used horizontally, wherein the balls (3) are stored movably in the ball chamber (2) provided inside a valve box (1), two or more rail-shaped projected parts (13) which project toward the inside of the ball chamber to guide the balls (3) are installed on a peripheral wall (10) dividing the ball chamber (2), and valve seats (20a, 20b) formed separately from the valve box (1) are installed on the inlet and outlet sides of the valve box (1), respectively.</p> |
