| 发明名称 |
VALVE |
| 摘要 |
<p>A ball valve having an eccentric ball element with spherical sealing surfaces arranged with primary and secondary sealing elements for coaction therewith for high pressure and/or cryogenic applications. The secondary sealing element is arranged to be responsive to upstream line pressures for moving the primary sealing element into and away from the ball element.</p> |
| 申请公布号 |
CA1073888(A) |
申请公布日期 |
1980.03.18 |
| 申请号 |
CA19770290265 |
申请日期 |
1977.11.04 |
| 申请人 |
ROYAL INDUSTRIES, INC. |
发明人 |
KOSMALA, RONALD W.;SANDERMAN, KARL K. |
| 分类号 |
F16K5/06;F16K5/20;(IPC1-7):16K5/00 |
主分类号 |
F16K5/06 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
