| 摘要 |
ater supply valve composed of the main body (1), the membrane (2), the head (3), and the cylinder (6) abbuting the body (1). Into the cylinder there is adapted the piston (9) with two elastic sealings (10), which piston regulates, via the arm (11),the opening and the closure of the valve. At the other end of the arm there is connected the stem (12) whereon the float (13) is located. |
