CN2708065Y - 液控止回半球阀 - Google Patents
液控止回半球阀 Download PDFInfo
- Publication number
- CN2708065Y CN2708065Y CN 200420018136 CN200420018136U CN2708065Y CN 2708065 Y CN2708065 Y CN 2708065Y CN 200420018136 CN200420018136 CN 200420018136 CN 200420018136 U CN200420018136 U CN 200420018136U CN 2708065 Y CN2708065 Y CN 2708065Y
- Authority
- CN
- China
- Prior art keywords
- valve
- water
- hydraulic cylinder
- hydraulic
- eccentric
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Lifetime
Links
- 238000007789 sealing Methods 0.000 abstract description 10
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 7
- 239000003034 coal gas Substances 0.000 abstract description 2
- 239000013535 sea water Substances 0.000 abstract description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 abstract 2
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 1
- 238000005299 abrasion Methods 0.000 abstract 1
- 239000003345 natural gas Substances 0.000 abstract 1
- 239000003921 oil Substances 0.000 abstract 1
- 238000010008 shearing Methods 0.000 abstract 1
- 238000004146 energy storage Methods 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- -1 Yuan Shui Substances 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000000411 inducer Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 239000004576 sand Substances 0.000 description 1
Images
Landscapes
- Check Valves (AREA)
Abstract
Description
Claims (2)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420018136 CN2708065Y (zh) | 2004-05-20 | 2004-05-20 | 液控止回半球阀 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200420018136 CN2708065Y (zh) | 2004-05-20 | 2004-05-20 | 液控止回半球阀 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN2708065Y true CN2708065Y (zh) | 2005-07-06 |
Family
ID=34848920
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200420018136 Expired - Lifetime CN2708065Y (zh) | 2004-05-20 | 2004-05-20 | 液控止回半球阀 |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN2708065Y (zh) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387880C (zh) * | 2005-09-28 | 2008-05-14 | 黄作兴 | 止回阀助关装置 |
| CN107202175A (zh) * | 2017-07-28 | 2017-09-26 | 泉州市沪航阀门制造有限公司 | 一种卧式大口径半球阀 |
-
2004
- 2004-05-20 CN CN 200420018136 patent/CN2708065Y/zh not_active Expired - Lifetime
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100387880C (zh) * | 2005-09-28 | 2008-05-14 | 黄作兴 | 止回阀助关装置 |
| CN107202175A (zh) * | 2017-07-28 | 2017-09-26 | 泉州市沪航阀门制造有限公司 | 一种卧式大口径半球阀 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: WUHAN DAYU VALVE CO., LTD. Free format text: FORMER NAME: WUHAN DAYU VALVE MANUFACTURING CO., LTD. |
|
| CP03 | Change of name, title or address |
Address after: 430056 Hubei city of Wuhan province Wuhan economic and Technological Development Zone Science and Technology Industrial Park Yang Dun Patentee after: Wuhan Dayu Valve Co., Ltd. Address before: 430070 Wuhan Dayu D-8B Valve Manufacturing Co., Ltd., Dayu city garden, No. 1 Middle North Road, Wuhan, Hubei, Wuchang, China Patentee before: Wuhan Dayu Valve Manufacturing Co., Ltd. |
|
| C17 | Cessation of patent right | ||
| CX01 | Expiry of patent term |
Expiration termination date: 20140520 Granted publication date: 20050706 |