CN201449325U - Life test device for back valve - Google Patents
Life test device for back valve Download PDFInfo
- Publication number
- CN201449325U CN201449325U CN2009200466631U CN200920046663U CN201449325U CN 201449325 U CN201449325 U CN 201449325U CN 2009200466631 U CN2009200466631 U CN 2009200466631U CN 200920046663 U CN200920046663 U CN 200920046663U CN 201449325 U CN201449325 U CN 201449325U
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- China
- Prior art keywords
- valve
- stop valve
- life test
- water tank
- cut
- 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
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Abstract
The utility model provides a life test device for back valve, comprising a water tank connected with an electric pump, the electric pump is connected with an over-flow valve in parallel, the electric pump is connected with a cut-off valve I in series and then enter the bottom of a high-pressure tank, the middle of the high-pressure tank is connected with a waterpipe which is connected with a cut-off valve II, a back valve, and a cut-off valve III, and is then connected with the upper of the water tank, the upper of the high-pressure tank is also provided with an exhaust valve and a protection valve, where the cut-off valve II is electric, and a speculum is also arranged between the back valve and the cut-off valve III. The beneficial effects of the utility model is that test is convenient and shortcut, labor-saving and time-saving by employing automatic mode, and test efficiency is high.
Description
Technical field
The utility model relates to a kind of test unit, especially a kind of life test apparatus of non-return valve.
Background technology
Non-return valve claims check (non-return) valve or retaining valve again, is to rely on medium itself to flow and automatic open and close flap, is used for preventing the valve that medium flows backwards, and the effect of such valve is only to allow medium to flow to a direction.Under the fluid pressure action that prescribed direction flows, flap is opened, and when fluid flowed in the other direction, under the deadweight effect by hydrodynamic pressure and flap, flap was closed, thereby cuts off media flow.When non-return valve is carried out durability test, generally adopt manual mode, back down flap with instrument, allow flap fall again, circulate with this, the effort of taking a lot of work, work efficiency is low.
Summary of the invention
The effort of taking a lot of work when overcoming existing non-return valve durability test, the deficiency that work efficiency is low, the utility model provides a kind of non-return valve life test apparatus.
The technical scheme that its technical matters that solves the utility model adopts is a kind of non-return valve life test apparatus, one water tank is arranged, be connected to an electrodynamic pump on the water tank, be parallel with surplus valve on the electrodynamic pump, electrodynamic pump is serially connected with the bottom that enters pressure pan behind the stop valve I, pressure pan middle part is connected to water pipe, is connected to the top that connects water tank behind stop valve II, non-return valve, the stop valve III on the water pipe successively, on the top of pressure pan vent valve, safety valve is housed also.
Stop valve II is electronic stop valve, between non-return valve and the stop valve III peeker is housed also.
The beneficial effects of the utility model are to adopt automatic mode, test convenient and swift, time saving and energy saving, the test efficiency height.
Description of drawings
The utility model is described in further detail below in conjunction with drawings and Examples.
Fig. 1 is the structural map of present embodiment;
Among the figure: 1. vent valve; 2. safety valve; 3. pressure pan; 4. stop valve I; 5. stop valve II; 6. electrodynamic pump; 7. non-return valve; 8. surplus valve; 9. peeker; 10. water tank; 11. stop valve III.
Embodiment
A kind of non-return valve life test apparatus, one water tank 10 is arranged, be connected to an electrodynamic pump 6 on the water tank 10, be parallel with surplus valve 8 on the electrodynamic pump 6, electrodynamic pump 6 is serially connected with the bottom that enters pressure pan 3 behind the stop valve I 4, pressure pan 3 middle parts are connected to water pipe, are connected to the top of stop valve II 5, non-return valve 7, stop valve III 11 back connection water tanks 10 on the water pipe successively, on the top of pressure pan 3 vent valve 1, safety valve 2 are housed also.Stop valve II 5 is electronic stop valve, between non-return valve 7 and the stop valve III 11 peeker 9 is housed also.
When test method began, stop valve I 4, stop valve II 5, stop valve III 11 were in opening, and non-return valve 7 is in closed condition.Start electrodynamic pump 6, press water injects pressure pan 3, the stop valve II 5 that flows through after the voltage stabilizing, and the flap of non-return valve 7 is opened under the water under high pressure effect, and High-Pressure Water is through peeker 9, stop valve III11 reflow tank.Close stop valve II 5, the flap of non-return valve 7 is closed under the spring force effect, opens stop valve II 5, and the flap of non-return valve 7 is opened under the water under high pressure effect, and so circulation realizes the durability test of non-return valve 7.
Claims (3)
1. non-return valve life test apparatus, it is characterized in that: a water tank is arranged, be connected to an electrodynamic pump on the water tank, be parallel with surplus valve on the electrodynamic pump, electrodynamic pump is serially connected with the bottom that enters pressure pan behind the stop valve I, pressure pan middle part is connected to water pipe, is connected to the top that connects water tank behind stop valve II, non-return valve, the stop valve III on the water pipe successively, on the top of pressure pan vent valve, safety valve is housed also.
2. non-return valve life test apparatus according to claim 1 is characterized in that: described stop valve II is electronic stop valve.
3. non-return valve life test apparatus according to claim 1 and 2 is characterized in that: between described non-return valve and the stop valve III peeker is housed also.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200466631U CN201449325U (en) | 2009-06-19 | 2009-06-19 | Life test device for back valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009200466631U CN201449325U (en) | 2009-06-19 | 2009-06-19 | Life test device for back valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201449325U true CN201449325U (en) | 2010-05-05 |
Family
ID=42554046
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009200466631U Expired - Fee Related CN201449325U (en) | 2009-06-19 | 2009-06-19 | Life test device for back valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201449325U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435431A (en) * | 2011-11-16 | 2012-05-02 | 宁波长壁流体动力科技有限公司 | Comprehensive test platform for valve used for mining hydraulic bracket |
| CN104359695B (en) * | 2014-11-14 | 2017-03-22 | 中国原子能科学研究院 | Nuclear-grade check valve dynamic reverse flow test device |
-
2009
- 2009-06-19 CN CN2009200466631U patent/CN201449325U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102435431A (en) * | 2011-11-16 | 2012-05-02 | 宁波长壁流体动力科技有限公司 | Comprehensive test platform for valve used for mining hydraulic bracket |
| CN102435431B (en) * | 2011-11-16 | 2014-04-02 | 宁波长壁流体动力科技有限公司 | Comprehensive test platform for valve used for mining hydraulic bracket |
| CN104359695B (en) * | 2014-11-14 | 2017-03-22 | 中国原子能科学研究院 | Nuclear-grade check valve dynamic reverse flow test device |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100505 Termination date: 20170619 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |