发明名称 |
IMPROVEMENTS IN OR RELATING TO CHECK VALVES |
摘要 |
<p>A check valve is disclosed having a preset cracking pressure. The check valve comprises a valve element reciprocatably positioned within a valve body, both the valve body and the valve element including valve seats which seal together when the valve element is urged forwardly within the valve body. A plug is positioned within the rear of the valve body to constantly urge the valve element forwardly thereby defining a cracking pressure necessary to unseat the valve seats allowing the flow of fluid through the valve body.</p> |
申请公布号 |
GB2191271(A) |
申请公布日期 |
1987.12.09 |
申请号 |
GB19870012026 |
申请日期 |
1987.05.21 |
申请人 |
* HALKEY-ROBERTS CORPORATION |
发明人 |
GEORGE E * LARDNER |
分类号 |
A61M39/24;F16K15/02;F16K17/02;(IPC1-7):F16K15/14 |
主分类号 |
A61M39/24 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|