CN2766125Y - Check butterfly valve - Google Patents
Check butterfly valve Download PDFInfo
- Publication number
- CN2766125Y CN2766125Y CN 200520039303 CN200520039303U CN2766125Y CN 2766125 Y CN2766125 Y CN 2766125Y CN 200520039303 CN200520039303 CN 200520039303 CN 200520039303 U CN200520039303 U CN 200520039303U CN 2766125 Y CN2766125 Y CN 2766125Y
- Authority
- CN
- China
- Prior art keywords
- valve
- switch
- relay
- control circuit
- open
- 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 - Fee Related
Links
Images
Landscapes
- Electrically Driven Valve-Operating Means (AREA)
Abstract
Description
Claims (3)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520039303 CN2766125Y (en) | 2005-01-27 | 2005-01-27 | Check butterfly valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN 200520039303 CN2766125Y (en) | 2005-01-27 | 2005-01-27 | Check butterfly valve |
Publications (1)
Publication Number | Publication Date |
---|---|
CN2766125Y true CN2766125Y (en) | 2006-03-22 |
Family
ID=36606788
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN 200520039303 Expired - Fee Related CN2766125Y (en) | 2005-01-27 | 2005-01-27 | Check butterfly valve |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN2766125Y (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108799606A (en) * | 2018-07-31 | 2018-11-13 | 福建省水利水电勘测设计研究院 | A kind of unit water inlet weight butterfly valve promptly closes valve circuit |
CN110080834A (en) * | 2019-04-04 | 2019-08-02 | 东南大学 | A kind of low pressure (LP) cylinder optimization system of coal unit Ultra-low load operation |
-
2005
- 2005-01-27 CN CN 200520039303 patent/CN2766125Y/en not_active Expired - Fee Related
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108799606A (en) * | 2018-07-31 | 2018-11-13 | 福建省水利水电勘测设计研究院 | A kind of unit water inlet weight butterfly valve promptly closes valve circuit |
CN108799606B (en) * | 2018-07-31 | 2023-12-19 | 福建省水利水电勘测设计研究院 | Emergency valve closing circuit of unit water inlet heavy hammer butterfly valve |
CN110080834A (en) * | 2019-04-04 | 2019-08-02 | 东南大学 | A kind of low pressure (LP) cylinder optimization system of coal unit Ultra-low load operation |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
CN204003552U (en) | Hydraulic oil radiation fan speed-adjusting and control system and engineering machinery | |
CN201292954Y (en) | Water pump and/or blower fan highly effective energy-conserving control system | |
CN2766125Y (en) | Check butterfly valve | |
CN102777661B (en) | Control method and control device of slow speed type electric valve | |
CN105007022A (en) | Frequency-conversing compensating and energy saving control apparatus of oil pumping unit in oil fields | |
CN202579138U (en) | Variable frequency power-saving control system of circulating pump | |
CN202834304U (en) | Control device for slow electric valve | |
CN201215099Y (en) | Intelligent efficacy energy-conserving end device for blower fan water pump | |
CN204190594U (en) | Generating set condensate pump permanent magnet speed regulation device | |
CN204476699U (en) | A kind of piston compressor frequency conversion cooling system based on PID | |
CN201554505U (en) | Starting control device for blast furnace pubic type residual pressure energy reclamation | |
CN201736470U (en) | Oil press energy-saving control device | |
CN111379725B (en) | Centrifugal gas compressor control method | |
CN204922125U (en) | Remote control voltage regulator | |
CN201671667U (en) | Turbine hot well water level control device | |
CN201251018Y (en) | Energy conservation flow control device | |
CN201589973U (en) | Intelligent induction digital energy-saving apparatus | |
CN200953095Y (en) | Automatic contant pressure regulator for pressure pipe network | |
CN201221435Y (en) | Governor of hydraulic turbine based on programmable computer controller | |
CN202431562U (en) | Frequency-conversion adjusting device of compressor fan | |
CN103047166A (en) | Blower control system during power frequency/frequency conversion switching of high-voltage frequency converter | |
CN201118511Y (en) | Intelligent energy-saving controller for immersed oil power pump | |
CN113531631B (en) | Thermodynamic station system utilizing residual pressure head of primary side water supply system and regulation and control method | |
CN2387110Y (en) | Temp automatic controller of gas producer and heating furnace | |
CN2321784Y (en) | Furnace top material flow regulator for blast furnace without bell |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: KVC Valve Group Co., Ltd. Assignor: Shanghai Biaoyi Valve Co., Ltd. Contract fulfillment period: 2008.12.20 to 2015.1.26 Contract record no.: 2009330000685 Denomination of utility model: Check butterfly valve Granted publication date: 20060322 License type: Exclusive license Record date: 20090417 |
|
LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.12.20 TO 2015.1.26; CHANGE OF CONTRACT Name of requester: KAIWEIXI VALVE GROUP CO.,LTD. Effective date: 20090417 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20060322 Termination date: 20100301 |