CN105606355A - Large integrated water gas solenoid valve detection system - Google Patents

Large integrated water gas solenoid valve detection system Download PDF

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Publication number
CN105606355A
CN105606355A CN201610109350.0A CN201610109350A CN105606355A CN 105606355 A CN105606355 A CN 105606355A CN 201610109350 A CN201610109350 A CN 201610109350A CN 105606355 A CN105606355 A CN 105606355A
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CN
China
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described
magnetic valve
pipeline
valve
pressure
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CN201610109350.0A
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Chinese (zh)
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CN105606355B (en
Inventor
毛杉海
顾国云
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余姚市三力信电磁阀有限公司
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Publication of CN105606355A publication Critical patent/CN105606355A/en
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    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M13/00Testing of machine parts
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/04Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point
    • G01M3/06Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool
    • G01M3/08Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds
    • G01M3/086Investigating fluid-tightness of structures by using fluid or vacuum by detecting the presence of fluid at the leakage point by observing bubbles in a liquid pool for pipes, cables or tubes; for pipe joints or seals; for valves; for welds for valves
    • GPHYSICS
    • G01MEASURING; TESTING
    • G01MTESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
    • G01M3/00Investigating fluid-tightness of structures
    • G01M3/02Investigating fluid-tightness of structures by using fluid or vacuum
    • G01M3/26Investigating fluid-tightness of structures by using fluid or vacuum by measuring rate of loss or gain of fluid, e.g. by pressure-responsive devices, by flow detectors

Abstract

The invention discloses a large integrated water gas solenoid valve detection system. The large integrated water gas solenoid valve detection system comprises a liquid pipeline simulation system, a gas supply system, a sub control station and a main control cabinet, wherein the liquid pipeline simulation system is used for simulating pipelines under different conditions and providing hydraulic pipelines for detection on a solenoid valve, the liquid pipeline simulation system comprises a water storage tank, a frequency conversion water pump, a first pressure sensor, ball valves and a pipeline size switching device which are connected in series, the pipeline size switching device comprises multiple liquid branch pipelines which are connected in parallel and have different sizes, and each liquid branch pipeline is sequentially provided with one ball valve, a flowmeter and one ball valve. The large integrated water gas solenoid valve detection system is an automatic detection system, can simulate pipeline environments under the different conditions, integrated performance detection on the solenoid valve can be realized, operation is convenient and rapid, work efficiency is greatly improved, the detection result is true, continuous improvement after problem discovery can be realized, and quality of products is guaranteed.

Description

A kind of large-scale synthesis aqueous vapor magnetic valve detection system

Technical field

The present invention relates to magnetic valve detection field, specifically relate to a kind of large-scale synthesis aqueous vapor electromagnetismValve detection system.

Background technology

The detection of conventional aqueous vapor magnetic valve, present situation is test step complexity at present, labor costHigh (detects a valve, need to manually go to fix, whether pressure regulation, observation leak etc.), detectionMethod single (being all generally the valve that the simple machine of little pipeline detects all size), instituteWith the factory having, magnetic valve is just done to a general detection, cannot carry out comprehensively magnetic valveJust test. So occur the unsettled problem of quality, main manifestations in use liquid canTo open, gas is not opened; Pressurize rear electromagnetic valve internal and outernal leakage; Magnetic valve is not opened, or closesIncessantly etc. problem; Large-scale synthesis aqueous vapor magnetic valve detection system of the present invention is ensureing personal securitySituation under, can simulate the pipeline environment under various operating modes, realize magnetic valve is carried out comprehensivelyPerformance Detection, and easy to operate, quick, work efficiency promotes greatly, testing result is true,So that Continual Improvement after pinpointing the problems, guarantee the quality of product.

Summary of the invention

(1) technical problem that will solve

For realizing above-mentioned target, the invention provides a kind of large-scale synthesis aqueous vapor magnetic valve and detect systemSystem.

(2) technical scheme

For achieving the above object, the invention provides a kind of large-scale synthesis aqueous vapor magnetic valve and detectSystem, comprising:

Liquid line simulation system, for simulating the pipeline under different operating modes, is magnetic valve inspectionFluid pressure line is provided when survey; Described liquid line simulation system comprise the connected cistern of serial connection,Variable frequency pump, the first pressure sensor, ball valve and pipeline size switching device shifter; Described pipeline is largeLittle switching device shifter comprises the liquid branch pipeline that multiple parallel connections and pipeline vary in size, described eachOn liquid branch pipeline, be provided with successively ball valve, flowmeter and ball valve;

Gas supply system, provides pneumatic circuit for magnetic valve while detection; Described gas suppliesComprise the connected compressor of pipeline, air accumulator, ball valve and pressure-reducing valve to system;

Point console, described point of console comprise and clamp platform, described in clamp platform and comprise water inlet pipeAnd outlet pipe, described in clamp platform for magnetic valve to be measured being installed and being connected the water inlet of magnetic valve to be measuredMouth and delivery port, described water inlet pipe is supplied with system with described liquid line simulation system and gas respectivelySystem is connected;

Master control cabinet, comprises PLC, and described PLC is according to preset value and the data control detectingMake described liquid line simulation system, gas supply system and point console work.

Further, on described point of console, be also provided with gas pressure adjusting device, described gas is pressedApparatus for adjusting force is connected with described gas supply system, and described gas pressure adjusting device comprises alsoThe first gas branch pipeline and the second gas branch pipeline of connection, described the first gas branch pipelineOn be provided with successively low-pressure relief valve, magnetic valve and check-valves, on described the second gas branch pipelineBe provided with successively high-pressure pressure-reducing valve, magnetic valve and check-valves.

Further, described water inlet pipe link successively by the 3rd pressure sensor, ball valve respectivelyBe connected with gas supply system with described liquid line simulation system, described the 3rd pressure sensorAnd between described liquid line simulation system, be also provided with the second pressure sensor, described outlet pipe is logicalCrossing mass sensor is connected with the second outlet pipe with the first outlet pipe respectively.

Further, the pre-input value of described PLC basis and the first pressure sensor, the second pressureThe data that sensor and flowmeter detect, control on described variable-frequency motor and liquid branch pipelineBall valve work.

Further, described liquid-supplying system also comprises accumulator and pressure-relief valve, described accumulatorWith pressure-relief valve for preventing the water hammer of liquid-supplying system.

Further, also comprise return flume, one end of described return flume is provided with filter column and with describedCistern is connected, and described the first outlet pipe is connected with described return flume.

Further, described point of console has multiple.

(3) beneficial effect

Large-scale synthesis aqueous vapor magnetic valve detection system of the present invention is a kind of automatic detection system,Ensure, under the situation of personal security, can simulate the pipeline environment under various operating modes, realize electricityMagnet valve carries out comprehensive Performance Detection, and easy to operate, and quick, work efficiency promotes greatly, inspectionSurvey real result, so that Continual Improvement after pinpointing the problems, guarantee the quality of product.

Brief description of the drawings

Fig. 1 is the knot of gas supply system in large-scale synthesis aqueous vapor magnetic valve detection system of the present inventionStructure schematic diagram;

Fig. 2 is liquid line simulation system in large-scale synthesis aqueous vapor magnetic valve detection system of the present inventionStructural representation;

Fig. 3 is that the structure of point console in large-scale synthesis aqueous vapor magnetic valve detection system of the present invention is shownIntention;

Fig. 4 is the overall structure schematic diagram of large-scale synthesis aqueous vapor magnetic valve detection system of the present invention;

Fig. 5 clamps platform part in large-scale synthesis aqueous vapor magnetic valve detection system sub-control platform of the present inventionStructural representation.

Wherein, 1 is ball valve, and 2 is check-valves, and 3 is flowmeter, and 4 is the first pressure sensor,5 is the second pressure sensor, and 6 is Pressure gauge, and 7 is the 3rd pressure sensor, and 10 is compressor,11 is air accumulator, and 12 is pressure-reducing valve, and 20 is cistern, and 21 is y-type filter, and 22 is frequency conversionWater pump, 23 is accumulator, and 24 is pressure-relief valve, and 25 is return flume, and 26 is filter column, 31 is threeLogical valve, 32 is magnetic valve, and 33 is low-pressure relief valve, and 34 is high-pressure pressure-reducing valve, and 35 for clamping platform,36 is magnetic valve to be measured, and 37 is hand-operated valve.

Detailed description of the invention

Below in conjunction with drawings and Examples, the specific embodiment of the present invention is done further in detailDescribe. Following examples are used for illustrating the present invention, but are not used for limiting the scope of the invention.

A kind of large-scale synthesis aqueous vapor magnetic valve detection system of the present invention as described in Figure 1, comprisesLiquid line simulation system, gas supply system, point console, master control cabinet. Described master controlCabinet processed comprises PLC, and described PLC is according to preset value and liquid described in the Data Control detectingPipeline simulation system, gas supply system and point console work.

In large-scale synthesis aqueous vapor magnetic valve detection system of the present invention, the structure of gas supply system is shownIntention as shown in Figure 2, comprise the connected compressor of pipeline 10, air accumulator 11, ball valve 1,Check-valves 2, pressure-reducing valve 12 and Pressure gauge 6, PLC is by controlling ball valve 1, compressor 10On can realize gas supply system switch.

Fig. 3 is liquid line simulation system in large-scale synthesis aqueous vapor magnetic valve detection system of the present inventionStructural representation, comprise connected cistern 20, y-type filter 21, the variable frequency pump of serial connection22, the first pressure sensor 4, ball valve 1, check-valves 2, pipeline size switching device shifter and pressureTable 6, and be arranged on accumulator 23 and pressure-relief valve 24 between above-mentioned ball valve 1 and check-valves 2, itsMiddle accumulator 23 and pressure-relief valve 24 are installed in the mode of branch; Described pipeline size switching device shifter bagDraw together the liquid branch pipeline that multiple parallel connections and pipeline vary in size, described each liquid branch pipelineOn be provided with successively ball valve 1, flowmeter 3 and ball valve 1; PLC is by controlling on liquid branch pipelineBall valve 1 can realize the break-make of different liquids branch line, by being arranged on liquid branch pipeFlowmeter 3 on road can be measured the flow of (respectively) point console.

Be provided with in addition a simple and easy pipeline in parallel with pipeline size switching device shifter, on this pipelineBe provided with ball valve 1.

Fig. 4 and Fig. 5 divide console in large-scale synthesis aqueous vapor magnetic valve detection system of the present inventionStructural representation; Described point of console comprise and clamp platform 35, described in clamp platform 35 and comprise water inlet pipeAnd outlet pipe, described in clamp platform 35 for magnetic valve 36 to be measured being installed and being connected magnetic valve 36 to be measuredWater inlet and delivery port, described water inlet pipe respectively with described liquid line simulation system and gasFeed system is connected.

In the present embodiment, described water inlet pipe link successively by the 3rd pressure sensor 7,Ball valve 1 is connected with gas supply system with described liquid line simulation system respectively, and the described the 3rdBetween pressure sensor 7 and described liquid line simulation system, be also provided with the second pressure sensor 5,Described outlet pipe is connected with the second outlet pipe with the first outlet pipe respectively by mass sensor. MatterWhether leak for detection of detecting magnetic valve the rear end that quantity sensor is arranged on magnetic valve 36 to be measured.In the time of work, close ball valve 1, can sentence by the 3rd data that detect the 3rd pressure sensor 7Whether disconnected magnetic valve 36 to be measured there is leakage, and whether pipeline exists leakage.

Wherein, the first outlet pipe is provided with ball valve 1, the second outlet pipe and is provided with hand-operated valve 37,Carry out the detection of magnetic valve gas tightness under manual mode time, close the ball on the first outlet pipeValve 1, inserts in water by the second outlet pipe and opens hand-operated valve 37, observes and whether has Bubble formationJudge the gas tightness of magnetic valve 36 to be measured, the method can effectively contrast at auto stateWhether the result of lower detection is true, reliable.

In the present embodiment, on described point of console, be also provided with gas pressure adjusting device, described inGas pressure adjusting device is connected with described gas supply system, described gas pressure adjusting deviceComprise the first gas branch pipeline and the second gas branch pipeline in parallel, described the first gas dividesOn bye-pass, be provided with successively low-pressure relief valve 33, magnetic valve 32 and check-valves 2, described the second gasOn body branch line, be provided with successively high-pressure pressure-reducing valve 34, magnetic valve 32 and check-valves 2. Described twoThe pressure difference that on individual gas branch pipeline, pressure-reducing valve regulates. By magnetic valve 32 open and close canTo open or close gas branch pipeline, thus the test environment of acquisition gas with various pressure.

In addition, also comprise return flume 25, one end of described return flume 25 be provided with filter column 26 and withDescribed cistern 20 is connected, and described the first outlet pipe is connected with described return flume 25.

In the present embodiment, described point of console has multiple.

Large-scale synthesis aqueous vapor magnetic valve detection system test run flow process of the present invention is as follows:

1, clamping product;

2, start variable frequency pump (frequency converter);

3, variable frequency pump frequency (pressure) is set;

4, select corresponding electromagnetic valve work voltage;

5, select station and adjust the required executive component of this station and (observe each executive component fortuneWhether row is normal).

6, PLC has operated

7, taken over by a point console

8,, in the time of needs life tests, press this system of life tests and enter full-automatic state.Wherein divide console testing process to comprise again:

1. magnetic valve is put into and clamped platform

2. observe each parameter and whether meet test request

3. press the Hi-pot test key of point console, whether switch observes electromagnetic valve work for several timesNormally. Press low voltage experiment key, switch is also observed for several times again, after current twice test passes,System automatically switches into gas and detects, and now repeats above twice detection, and defective test is interrupted,Detect next valve, the qualified leak-testing that automatically enters, sensor automatic decision final result,Sensor signal is that green light represents that magnetic valve detection is qualified, and as shown, red light represents magnetic valve notQualified. When occurring when defective, system automatic vent is also closed and is respectively entered source of the gas and water source, and willPressure in magnetic valve is emptying, then enters next circulation.

4,, in the time of needs life tests, press this system of life tests and enter full-automatic state.

5, valve system of every detection has corresponding flow, pressure, leakage value, number of times etc.The memory of parameter, printable and check need to consult related data time.

Beneficial effect of the present invention: can realize full-automatic detection, in the situation that ensures personal securityUnder, can simulate the pipeline environment under various operating modes, realize magnetic valve is carried out to comprehensive performanceDetect, and easy to operate, quick, work efficiency promotes greatly, and testing result is true, to send outContinual Improvement after existing problem, guarantees the quality of product.

The above is only the preferred embodiment of the present invention, it should be pointed out that for this technology and leadsThe those of ordinary skill in territory, not departing under the prerequisite of the technology of the present invention principle, all rightMake some improvements and modifications, these improvements and modifications also should be considered as protection scope of the present invention.

Claims (7)

1. a large-scale synthesis aqueous vapor magnetic valve detection system, is characterized in that, comprising:
Liquid line simulation system, for simulating the pipeline under different operating modes, is magnetic valve inspectionFluid pressure line is provided when survey; Described liquid line simulation system comprises the cistern that serial connection is connected(20), variable frequency pump (21), the first pressure sensor (4), ball valve (1) and pipeline are largeLittle switching device shifter; Described pipeline size switching device shifter comprises that multiple parallel connections and pipeline vary in sizeLiquid branch pipeline, on described each liquid branch pipeline, be provided with successively ball valve (1), flowmeterAnd ball valve (1) (3);
Gas supply system, provides pneumatic circuit for magnetic valve while detection; Described gas suppliesComprise the connected compressor of pipeline (10), air accumulator (11), ball valve (1) and subtract to systemPressure valve (12);
Point console, described point of console comprise and clamp platform (35), described in clamp platform (35)Comprise water inlet pipe and outlet pipe, described in clamp platform (35) for magnetic valve to be measured (36) is installedAnd connecting water inlet and the delivery port of magnetic valve to be measured (36), described water inlet pipe is respectively with describedLiquid line simulation system is connected with gas supply system;
Master control cabinet, comprises PLC, and described PLC is according to preset value and the data control detectingMake described liquid line simulation system, gas supply system and point console work.
2. large-scale synthesis aqueous vapor magnetic valve detection system as claimed in claim 1, its featureBe, on described point of console, be also provided with gas pressure adjusting device, described gas pressure regulatesDevice is connected with described gas supply system, and described gas pressure adjusting device comprises the of parallel connectionOne gas branch pipeline and the second gas branch pipeline, on described the first gas branch pipeline successivelyBe provided with low-pressure relief valve (33), magnetic valve (32) and check-valves (2), described the second gasOn branch line, be provided with successively high-pressure pressure-reducing valve (34), magnetic valve (32) and check-valves (2).
3. large-scale synthesis aqueous vapor magnetic valve detection system as claimed in claim 1 or 2, itsBe characterised in that, described water inlet pipe link is by the 3rd pressure sensor (7), ball valve (1)Be connected with gas supply system with described liquid line simulation system respectively, described the 3rd pressure passesBetween sensor (7) and described liquid line simulation system, be also provided with the second pressure sensor (5),Described outlet pipe is connected with the second outlet pipe with the first outlet pipe respectively by mass sensor.
4. large-scale synthesis aqueous vapor magnetic valve detection system as claimed in claim 1, its featureBe, described PLC passes according to pre-input value and the first pressure sensor (4), the second pressureThe data that sensor (5) and flowmeter (3) detect, control described variable-frequency motor (22) andBall valve (1) work on liquid branch pipeline.
5. large-scale synthesis aqueous vapor magnetic valve detection system as claimed in claim 1, its featureBe, described liquid-supplying system also comprises accumulator (23) and pressure-relief valve (24), described inAccumulator (23) and pressure-relief valve (24) are for preventing the water hammer of liquid-supplying system.
6. large-scale synthesis aqueous vapor magnetic valve detection system as claimed in claim 3, its featureBe, also comprise return flume (25), one end of described return flume (25) is provided with filter column (26)And be connected with described cistern (20), described the first outlet pipe and described return flume (25)Be connected.
7. large-scale synthesis aqueous vapor magnetic valve detection system as claimed in claim 1, its featureBe, described point of console has multiple.
CN201610109350.0A 2016-02-26 2016-02-26 A method of detection aqueous vapor solenoid valve comprehensive performance CN105606355B (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106872155A (en) * 2017-01-20 2017-06-20 合肥通用机械研究院 A kind of performance of exhaust valve test system and method for testing
CN107065816A (en) * 2017-06-17 2017-08-18 赵扬 Chemical Training Room management system with collection multiple module device
CN107179161A (en) * 2017-06-27 2017-09-19 中国海洋石油总公司 Examine the integrated pressure-measuring method of valve tightness
CN108680308A (en) * 2018-07-24 2018-10-19 深圳安吉尔饮水产业集团有限公司 A kind of the low hydraulic pressure method for testing tightness and system of high hydraulic electromagnetic valve

Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004125809A (en) * 2004-01-08 2004-04-22 Nabco Ltd Solenoid valve testing device
JP2005265645A (en) * 2004-03-19 2005-09-29 Nidec Tosok Corp Electromagnetic valve characteristics testing apparatus
CN201344854Y (en) * 2008-09-28 2009-11-11 新泰市产品质量监督检验所 Multifunctional air pressure and hydraulic pressure integrated testing machine
CN201444106U (en) * 2009-07-28 2010-04-28 鞍钢集团自动化公司 Gas tightness detection device of balanced valve
CN201707182U (en) * 2010-07-06 2011-01-12 开平伟祥金属制品有限公司 Multifunctional tap water and gas testing device
CN202033253U (en) * 2010-12-09 2011-11-09 苏州锦鹏机电设备制造有限公司 Valve pressure testing medium system
CN102645307A (en) * 2012-05-02 2012-08-22 芜湖永诺船用阀门有限责任公司 Valve pressure testing device
CN202648929U (en) * 2012-05-29 2013-01-02 东莞市海德试验仪器有限公司 Water gas interstage valve detection device
CN202676395U (en) * 2012-06-22 2013-01-16 常德翔宇设备制造有限公司 Sealing test system for valve
CN203643142U (en) * 2013-11-18 2014-06-11 徐权 A safety valve checking platform
CN205388531U (en) * 2016-02-26 2016-07-20 余姚市三力信电磁阀有限公司 Large -scale aqueous vapor solenoid valve detecting system that synthesizes

Patent Citations (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2004125809A (en) * 2004-01-08 2004-04-22 Nabco Ltd Solenoid valve testing device
JP2005265645A (en) * 2004-03-19 2005-09-29 Nidec Tosok Corp Electromagnetic valve characteristics testing apparatus
CN201344854Y (en) * 2008-09-28 2009-11-11 新泰市产品质量监督检验所 Multifunctional air pressure and hydraulic pressure integrated testing machine
CN201444106U (en) * 2009-07-28 2010-04-28 鞍钢集团自动化公司 Gas tightness detection device of balanced valve
CN201707182U (en) * 2010-07-06 2011-01-12 开平伟祥金属制品有限公司 Multifunctional tap water and gas testing device
CN202033253U (en) * 2010-12-09 2011-11-09 苏州锦鹏机电设备制造有限公司 Valve pressure testing medium system
CN102645307A (en) * 2012-05-02 2012-08-22 芜湖永诺船用阀门有限责任公司 Valve pressure testing device
CN202648929U (en) * 2012-05-29 2013-01-02 东莞市海德试验仪器有限公司 Water gas interstage valve detection device
CN202676395U (en) * 2012-06-22 2013-01-16 常德翔宇设备制造有限公司 Sealing test system for valve
CN203643142U (en) * 2013-11-18 2014-06-11 徐权 A safety valve checking platform
CN205388531U (en) * 2016-02-26 2016-07-20 余姚市三力信电磁阀有限公司 Large -scale aqueous vapor solenoid valve detecting system that synthesizes

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106872155A (en) * 2017-01-20 2017-06-20 合肥通用机械研究院 A kind of performance of exhaust valve test system and method for testing
CN107065816A (en) * 2017-06-17 2017-08-18 赵扬 Chemical Training Room management system with collection multiple module device
CN107179161A (en) * 2017-06-27 2017-09-19 中国海洋石油总公司 Examine the integrated pressure-measuring method of valve tightness
CN108680308A (en) * 2018-07-24 2018-10-19 深圳安吉尔饮水产业集团有限公司 A kind of the low hydraulic pressure method for testing tightness and system of high hydraulic electromagnetic valve

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