| 摘要 |
A jumper valve (15) for use in the float chamber (1) of a boiling water unit. The valve consists of a body (15) of circular horizontal cross section having a vertical outer wall (12). The inner portion of the valve body includes a central circular cut-out seat portion (16) to accommondate a cylindrical seal (13), the wall of the valve seat (16) between the cut-out portion and the outer wall (12) being sloped in the manner of the surface of the frustrum of a cone (14). |
