发明名称 |
Apparatus for controlling hydraulic flow of liquid under pressure in a pipeline |
摘要 |
The present invention provides a dual valve apparatus for controlling hydraulic flow of liquid under pressure in a pipeline and which closes off the flow of liquid in a manner which minimizes surge pressure in the pipeline. The dual valve apparatus comprises a check valve of the swing-flap type with a pressure relief valve mounted in the check valve member.
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申请公布号 |
US4596263(A) |
申请公布日期 |
1986.06.24 |
申请号 |
US19830557839 |
申请日期 |
1983.12.05 |
申请人 |
SNIDER, JAMES A. |
发明人 |
SNIDER, JAMES A. |
分类号 |
E03B9/04;F16K15/03;(IPC1-7):F16K17/14 |
主分类号 |
E03B9/04 |
代理机构 |
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代理人 |
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主权项 |
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地址 |
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