发明名称 |
Differentialventildurchflussregelvorrichtung |
摘要 |
The flow control valve for agricultural irrigation has a housing (3) defining a chamber (4) having an inlet (5), outlet (6) and a drain duct (7). The duct has a differential valve (2) with an obturator moved by a diaphragm (9), moved by an over pressure on one face. The diaphragm has a cut out in its centre. The upstream area of the face (11) around the opening engages on a seat (16). The downstream area of the face has a piston (17) forming part of the drain duct. |
申请公布号 |
DE60010215(D1) |
申请公布日期 |
2004.06.03 |
申请号 |
DE2000610215 |
申请日期 |
2000.01.19 |
申请人 |
WATTS EUROTHERM S.A., FRESSENNEVILLE |
发明人 |
BOMMELAER, CHRISTIAN;BONGRAND, LAURENT |
分类号 |
E03C1/10;G05D16/06;(IPC1-7):G05D16/06 |
主分类号 |
E03C1/10 |
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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