| 发明名称 |
DOUBLE CHECK VALVE ASSEMBLY FOR FIRE SUPPRESSION SYSTEM |
| 摘要 |
<p>A double check valve assembly having at least one three way valve (64) with a pressure gauge (72) in communication with the double check valve (30) downstream of the second check valve (34). A flow detection arrangement with a battery powered alarm and automatic dialer and time delay circuit is included with a test and drain valve arrangement provided downstream of the second check valve.</p> |
| 申请公布号 |
WO0227685(A9) |
申请公布日期 |
2003.05.01 |
| 申请号 |
WO2001US42093 |
申请日期 |
2001.09.10 |
| 申请人 |
AGF MANUFACTURING, INC. |
发明人 |
MCHUGH, GEORGE, J. |
| 分类号 |
A62C35/60;A62C35/68;F16K15/03;F16K15/06;F16K37/00;(IPC1-7):G08B21/00;F17D3/00 |
主分类号 |
A62C35/60 |
| 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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