发明名称 |
Underground pressure regulating module |
摘要 |
An underground pressure regulating module includes a pressure regulating valve which has two diaphragm arrangements 21, 40 to allow a variable pressure output to be obtained. The diaphragm 40 is controlled by a fluid line inlet 42. The fluid to the inlet is provided by a control located above ground which is also a logging device to determine utilisation parameters. The module may include a slam shut valve. |
申请公布号 |
GB2323656(B) |
申请公布日期 |
2000.10.18 |
申请号 |
GB19980003944 |
申请日期 |
1998.02.26 |
申请人 |
* BG PLC |
发明人 |
LEE * KIRKMAN;RICHARD * BLACKMAN;CLAYTON * PERRYMAN |
分类号 |
F17D1/04;F17D3/01;G05D16/20;(IPC1-7):G05D7/03 |
主分类号 |
F17D1/04 |
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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