| 发明名称 |
LETDOWN VALVES |
| 摘要 |
<p>A letdown valve for slurries under pressure is provided with a throttle 13 inside a housing 15 with interposed lubricant sealer and grooves 16 to accommodate any excess lubricant sealer. The throttle body 13 is held in place by a retaining ring 17 which is welded in position.</p> |
| 申请公布号 |
ZM9182(A1) |
申请公布日期 |
1984.04.23 |
| 申请号 |
ZM19820000091 |
申请日期 |
1982.12.21 |
| 申请人 |
VAAL REEFS EXPLORATION AND MINING COMPANY LIMITED |
发明人 |
|
| 分类号 |
F16K25/04;F16K27/00;F16K47/16;(IPC1-7):16K47/04 |
主分类号 |
F16K25/04 |
| 代理机构 |
|
代理人 |
|
| 主权项 |
|
| 地址 |
|
