发明名称 |
PLASTIC LINED PLUG VALVE |
摘要 |
<p>A plug valve is provided with a stem seal wherein a generally frustoconical face is provided at the juncture of stem and plug and the seal is fixed against the frustoconical face with a predetermined constant load.</p> |
申请公布号 |
CA1257242(A) |
申请公布日期 |
1989.07.11 |
申请号 |
CA19850487974 |
申请日期 |
1985.08.01 |
申请人 |
DOW CHEMICAL COMPANY (THE) |
发明人 |
PRICE, ROBERT W. |
分类号 |
F16K41/00;(IPC1-7):F16K41/00 |
主分类号 |
F16K41/00 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|