CN203785877U - Tester for pressure regulating performance of pressure-regulating valve - Google Patents
Tester for pressure regulating performance of pressure-regulating valve Download PDFInfo
- Publication number
- CN203785877U CN203785877U CN201420109689.7U CN201420109689U CN203785877U CN 203785877 U CN203785877 U CN 203785877U CN 201420109689 U CN201420109689 U CN 201420109689U CN 203785877 U CN203785877 U CN 203785877U
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- valve
- pressure
- regulating performance
- pressure regulating
- way connector
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Abstract
The utility model relates to a tester for the pressure regulating performance of a pressure regulating valve. The tester comprises a normal-temperature pressure regulating performance part. The normal-temperature pressure-regulating performance part comprises an air inlet, the air inlet is connected with an installation position of the valve to be tested successively through an air-inlet ball valve and a pressure-reducing valve, the installation position of the valve to be tested is connected with the first end of a three-way connector, the second end of the three-way connector is connected with a gas tank via a first stop valve, the third end of the three-way connector is connected with a flowmeter via a throttle valve, the flowmeter is connected with the gas tank successively through an emptying valve and a second stop valve, and a first pressure gauge is arranged between the installation position of the valve to be tested and the pressure-reducing valve. The tester can accurately measure the pressure regulating performance of the pressure-regulating valve.
Description
Technical field
The utility model relates to pressure regulator valve pressure regulating performance technical field of measurement and test, particularly relates to a kind of pressure regulator valve pressure regulating performance testing machine.
Background technology
Pressure regulator valve can be described as reduction valve substantially, the principle of work of reduction valve is as follows: high-pressure medium is charged in a relatively large chamber and is realized and reducing pressure by an aperture, be actually by the decompression of damming, the two sides one side of diaphragm or piston is outlet plenum, one side be artificially to pressure, and the valve rod of controlling aperture size is connected with diaphragm (piston), like this as long as to a fixing pressure, the pressure of outlet plenum will equal this pressure always so, and this thinks that given pressure can have spring or source of the gas or hydraulic power source to provide.
Pressure regulator valve has been broken and must have been renewed, and will cause two consequences: hold one's breath if do not changed; Do not reduce pressure.Do not reduce pressure and easily cause sebific duct to come off, leak combustion gas, consequence is hardly imaginable.Therefore need a kind of pressure regulator valve pressure regulating performance testing machine badly and be used for the pressure regulating performance of Measurement accuracy pressure regulator valve.
Utility model content
Technical problem to be solved in the utility model is to provide a kind of pressure regulator valve pressure regulating performance testing machine, pressure regulating performance that can Measurement accuracy pressure regulator valve.
The utility model solves the technical scheme that its technical matters adopts: a kind of pressure regulator valve pressure regulating performance testing machine is provided, comprise normal temperature pressure regulating performance part, described normal temperature pressure regulating performance part comprises air intake opening, described air intake opening is connected with air inlet ball valve, reduction valve and tested valve installation position successively by pipeline, described tested valve installation position is connected with the first end of a three-way connector, the second end of three-way connector is connected with gas tank by the first stop valve, and the 3rd end of three-way connector is connected with flowmeter by throttling valve; Described flowmeter is also connected with described gas tank with the second stop valve by atmospheric valve successively; Between described tested valve installation position and reduction valve, be provided with the first tensimeter.
Between described reduction valve and air inlet ball valve, be provided with the second tensimeter.
Between described atmospheric valve and the second stop valve, be provided with safety valve.
Described gas tank is provided with working pressure table.
Described gas tank is also connected to form economized circuit by the 3rd end of the 3rd stop valve and described three-way connector.
Beneficial effect
Owing to having adopted above-mentioned technical scheme, the utility model compared with prior art, there is following advantage and good effect: the utility model is by detecting the deviation of the high pressure range of regulation of pressure regulator valve, middle pressure range of regulation, low pressure range of regulation, and regulate emptying flow by atmospheric valve, the pressure state of observing gas cylinder detects the pressure regulating performance of pressure regulator valve, thereby realize the test of normal temperature supercharging pressure regulating performance, respectively high pressure, middle pressure, three states of low pressure are detected to the accuracy of guaranteeing detection.The utility model is also realized the economic pressure regulating performance test of normal temperature by economized circuit is set.
Brief description of the drawings
Fig. 1 is systematic schematic diagram of the present utility model.
Embodiment
Below in conjunction with specific embodiment, further set forth the utility model.Should be understood that these embodiment are only not used in restriction scope of the present utility model for the utility model is described.In addition should be understood that those skilled in the art can make various changes or modifications the utility model after having read the content of the utility model instruction, these equivalent form of values fall within the application's appended claims limited range equally.
Embodiment of the present utility model relates to a kind of pressure regulator valve pressure regulating performance testing machine, as shown in Figure 1, comprise normal temperature pressure regulating performance part, described normal temperature pressure regulating performance part comprises air intake opening 1, described air intake opening 1 is connected with air inlet ball valve 2, reduction valve 3 and tested valve installation position successively by pipeline, described tested valve installation position is connected with the first end of a three-way connector 4, the second end of three-way connector 4 is connected with gas tank 6 by the first stop valve 5, and the 3rd end of three-way connector 4 is connected with flowmeter 8 by throttling valve 7; Described flowmeter 8 is also connected with described gas tank 6 with the second stop valve 10 by atmospheric valve 9 successively; Between described tested valve installation position and reduction valve 3, be provided with the range of regulation that the first tensimeter 11, the first tensimeters 11 are used for observing tested valve.Between described reduction valve 3 and air inlet ball valve 2, be provided with the second tensimeter 12, the second tensimeters 12 for observing the atmospheric pressure value of air intake opening input.Between described atmospheric valve 9 and the second stop valve 10, be provided with safety valve 13, guarantee not answer hypertonia to cause accident to occur by safety valve 13.Described gas tank 6 is provided with working pressure table 14, and working pressure table 14 is for observing the working pressure of gas tank.Described gas tank 6 is also connected to form economized circuit by the 3rd stop valve 15 and the 3rd end of described three-way connector 4.
The utility model can carry out the test of normal temperature supercharging pressure regulating performance.At the trial, air intake opening passes into nitrogen or pressurized air, and tested valve carries out low pressure pressure regulation, low pressure range of regulation: 0.34～1.72MPa, and pressure is adjusted to 0.86MPa, tests 2～3 times, records force value, wherein, deviation≤0.05Mpa; Tested valve carries out middle pressure pressure regulation, middle pressure range of regulation: 1.03～2.41MPa, and pressure is adjusted to 2.07MPa, tests 2～3 times, records force value, wherein, deviation≤0.05Mpa; Tested valve carries out high pressure pressure regulation, high pressure range of regulation: 2.07～3.5MPa, and pressure is adjusted to 2.75MPa, tests 2～3 times, records force value, wherein, deviation≤0.05Mpa.Finally be adjusted to emptying flow when the 10-20L/min by atmospheric valve, observe storage pressure and whether keep voltage stabilizing state.
The utility model can carry out the economic pressure regulating performance test of normal temperature.At the trial, air intake opening passes into nitrogen or pressurized air, makes working pressure: 0.34-3.5Mpa, use economized circuit, and gas vent current control, at 10-20L/min, in the time that economized circuit is closed, is observed gas pressure drop and is not more than 0.35MPa.
Be not difficult to find, the utility model is by detecting the deviation of the high pressure range of regulation of pressure regulator valve, middle pressure range of regulation, low pressure range of regulation, and regulate emptying flow by atmospheric valve, the pressure state of observing gas cylinder detects the pressure regulating performance of pressure regulator valve, thereby realize the test of normal temperature supercharging pressure regulating performance, respectively high pressure, middle pressure, three states of low pressure are detected to the accuracy of guaranteeing detection.The utility model is also realized the economic pressure regulating performance test of normal temperature by economized circuit is set.
Claims (5)
1. a pressure regulator valve pressure regulating performance testing machine, comprise normal temperature pressure regulating performance part, it is characterized in that, described normal temperature pressure regulating performance part comprises air intake opening (1), described air intake opening (1) is connected with tested valve installation position with air inlet ball valve (2), reduction valve (3) successively by pipeline, described tested valve installation position is connected with the first end of a three-way connector (4), the second end of three-way connector (4) is connected with gas tank (6) by the first stop valve (5), and the 3rd end of three-way connector (4) is connected with flowmeter (8) by throttling valve (7); Described flowmeter (8) is also connected with described gas tank (6) with the second stop valve (10) by atmospheric valve (9) successively; Between described tested valve installation position and reduction valve (3), be provided with the first tensimeter (11).
2. pressure regulator valve pressure regulating performance testing machine according to claim 1, is characterized in that, is provided with the second tensimeter (12) between described reduction valve (3) and air inlet ball valve.
3. pressure regulator valve pressure regulating performance testing machine according to claim 1, is characterized in that, between described atmospheric valve (9) and the second stop valve (10), is provided with safety valve (13).
4. pressure regulator valve pressure regulating performance testing machine according to claim 1, is characterized in that, described gas tank (6) is provided with working pressure table (14).
5. pressure regulator valve pressure regulating performance testing machine according to claim 1, is characterized in that, described gas tank (6) is also connected to form economized circuit by the 3rd stop valve (15) and the 3rd end of described three-way connector (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109689.7U CN203785877U (en) | 2014-03-11 | 2014-03-11 | Tester for pressure regulating performance of pressure-regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420109689.7U CN203785877U (en) | 2014-03-11 | 2014-03-11 | Tester for pressure regulating performance of pressure-regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203785877U true CN203785877U (en) | 2014-08-20 |
Family
ID=51322054
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420109689.7U Expired - Fee Related CN203785877U (en) | 2014-03-11 | 2014-03-11 | Tester for pressure regulating performance of pressure-regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203785877U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841943A (en) * | 2016-04-08 | 2016-08-10 | 湖北三江航天红峰控制有限公司 | Durability test device for multifunctional pressure regulation valve |
| CN108956108A (en) * | 2018-05-21 | 2018-12-07 | 芜湖优能自动化设备有限公司 | A kind of pressure valve pressure regulation detection machine |
| CN112665847A (en) * | 2020-12-16 | 2021-04-16 | 武汉航空仪表有限责任公司 | System and method for detecting performance of pressure regulating valve |
-
2014
- 2014-03-11 CN CN201420109689.7U patent/CN203785877U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105841943A (en) * | 2016-04-08 | 2016-08-10 | 湖北三江航天红峰控制有限公司 | Durability test device for multifunctional pressure regulation valve |
| CN108956108A (en) * | 2018-05-21 | 2018-12-07 | 芜湖优能自动化设备有限公司 | A kind of pressure valve pressure regulation detection machine |
| CN112665847A (en) * | 2020-12-16 | 2021-04-16 | 武汉航空仪表有限责任公司 | System and method for detecting performance of pressure regulating valve |
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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: 20140820 Termination date: 20150311 |
|
| EXPY | Termination of patent right or utility model |