CN202372338U - Breathing valve calibrating table - Google Patents

Breathing valve calibrating table Download PDF

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Publication number
CN202372338U
CN202372338U CN2011204765381U CN201120476538U CN202372338U CN 202372338 U CN202372338 U CN 202372338U CN 2011204765381 U CN2011204765381 U CN 2011204765381U CN 201120476538 U CN201120476538 U CN 201120476538U CN 202372338 U CN202372338 U CN 202372338U
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CN
China
Prior art keywords
valve
vacuum pressure
flowmeter
stop valve
verified
Prior art date
Application number
CN2011204765381U
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Chinese (zh)
Inventor
梁薇
刘金贤
李洪军
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北京航天动力研究所
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Priority to CN2011204765381U priority Critical patent/CN202372338U/en
Application granted granted Critical
Publication of CN202372338U publication Critical patent/CN202372338U/en

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Abstract

The utility model belongs to a discharge and suction performance detecting and calibrating device for a storage tank breathing valve of oil, chemical and other products and particularly relates to a breathing valve calibrating table. The calibrating table comprises a calibrating console and a card loading table, wherein the calibrating console comprises an air source, a vacuum pump, a slow pressure tank, a flow meter A, a flow meter B, a flow meter C, a positive and negative pressure gauge and a bleeder valve; both the air source and the vacuum pump are connected with the slow pressure tank; the air source is also connected with the card loading table; a breathing valve to be calibrated is installed on the card loading table, and the input end of the breathing valve to be calibrated is connected with the slow pressure tank; the positive and negative pressure gauge is connected between the breathing valve to be checked and the slow pressure tank; the bleeder valve is connected between the slow pressure tank and the positive and negative pressure gauge; and the flow meter A, the flow meter B and the flow meter C are connected between the bleeder valve and the positive and negative pressure gauge in parallel. The breathing valve calibrating table has the advantages of large calibrating size range; wide calibrating pressure range, accurate calibrating results and the like, and the American standard breathing valve calibration standards and the calibration process requirements are satisfied.

Description

A kind of vacuum pressure valve checking table

Technical field

The utility model belongs to the releasing and intake performance detection check device of storage tank vacuum pressure valve of products such as a kind of oil, chemical industry, is specially a kind of vacuum pressure valve checking table.

Background technology

Industry size such as domestic petroleum chemical industry enlarges in recent years, integrates with the advanced product in the world simultaneously, and the home market constantly increases the demand of U.S.'s mark vacuum pressure valve, and each vacuum pressure valve dispatches from the factory, annual test all must be released and the intake performance detection check.U.S. mark vacuum pressure valve series of products latus rectum is from 2 "~24 "; Require vacuum pressure valve to keep sealing during verification in certain vacuum or force value; And in case arrive the essential smooth opening in time of set pressure; Thereby the medium and the external world are isolated relatively in the assurance storage tank, guarantee that simultaneously storage tank does not receive excessive pressure or vacuum.

According to investigation; Domestic existing vacuum pressure valve checking table designs according to the GB vacuum pressure valve; Have that verification latus rectum scope is little, the verification pressure limit is narrow, mechanism's complicacy, complex operation and the method for calibration of being installed deficiency such as science, poor accuracy not, can not satisfy U.S. mark vacuum pressure valve verification requirement.The BPI type vacuum pressure valve checking table (patent No.: CN2791631) verification latus rectum scope: DN50~DN300mm (2 "~12 ") for example; Verification pressure limit :-2KPa~40KPa; Whether whether no slip measurement instrument opened through range estimation vacuum pressure valve valve disc under the vacuum pressure valve set pressure and checked vacuum pressure valve qualified, and method of calibration is science and poor accuracy not; A checking table need be joined small one and large one two platforms that are installed; Each platform that is installed need be joined a cylinder separately, and the platform scope of being installed that is installed for a short time is DN50~DN200mm (2 "~8 "), and the platform scope of being installed that is installed greatly is DN200~DN300mm (8 "~12 "); The mechanism's complicacy that is installed controls inconvenience; Check system need dispose power supply, and manufacturing cost is high and be not easy to transportation.

And U.S.'s mark vacuum pressure valve verification latus rectum scope international, domestic widespread use: 2 "~24 "; The verification pressure limit: exhale valve pressure 0.2kpa~100kpa, suction valve pressure-0.2kPa~-48kPa; (valve internal pressure value is greater than 0.75 times of setup pressure value through measuring when vacuum pressure valve valve seat place slip reaches specified slip tested vacuum pressure valve internal pressure value in employing; Then tested vacuum pressure valve verification is qualified) method check vacuum pressure valve whether qualified; The requirement checking data is accurate, and is simple to operate, efficient is high.Consider that from each side such as verification latus rectum scope, verification pressure limit, method of calibration accuracy and operating efficiencies domestic existing vacuum pressure valve checking table can not satisfy the detection check of U.S.'s mark vacuum pressure valve of more and more widely being produced and use by domestic manufacturer.

Summary of the invention

The purpose of the utility model is to provide the checking table of a kind of satisfied U.S. mark vacuum pressure valve verification standard and checking process, to overcome the above-mentioned deficiency that existing vacuum pressure valve checking table exists.

For achieving the above object, the technical scheme that the utility model is taked is: a kind of vacuum pressure valve checking table comprises checkout console and is installed platform; Said checkout console comprises source of the gas, vacuum pump, slow jar, flowmeter A, flowmeter B, flowmeter C, positive/negative pressure table and the air release of pressing; Said source of the gas and vacuum pump all jar are connected with slow the pressure, and said source of the gas also is connected with the platform that is installed, and the said platform that is installed is equipped with vacuum pressure valve to be verified, the input end of vacuum pressure valve to be verified with delay the pressure jar and be connected; Between vacuum pressure valve to be verified and slow is pressed jar, be connected with the positive/negative pressure table, slow press jar and the positive/negative pressure table between be connected with air release, between air release and positive/negative pressure table, be connected in parallel to flowmeter A, flowmeter B and flowmeter C.

The described platform that is installed comprises the hexagonal cabinet, pallet, cylinder web joint of coaxial setting, big sealing pad, little sealing pad, table top and three claws and corresponding claw bar, cylinder; The upper end of said hexagonal cabinet is provided with table top, and the center of table top has manhole; The downside of table top is connected with the cylinder web joint through bolt, and the center of cylinder web joint has manhole; In the through hole of table top, be provided with big sealing pad, and the external diameter of big sealing pad is greater than the aperture of the through hole of cylinder web joint; Be provided with little sealing pad above the big sealing pad; In the through hole of table top downside and cylinder web joint, pallet is installed, pallet is connected with big sealing pad, and cylinder is connected with the cylinder web joint, and cylinder is connected with source of the gas; Table top upper edge place is uniformly distributed with three claws is installed, and each claw is connected with table top through the claw bar, and three claws all can horizontally rotate around the claw bar, and does not have lengthwise movement.

Said big sealing pad is provided with and satisfies the O-ring seal group B that the latus rectum scope is the vacuum pressure valve sealing to be verified of 16 "~24 ", and little sealing pad is provided with and satisfies the O-ring seal group A that the latus rectum scope is the vacuum pressure valve sealing to be verified of 2 "~12 ".

Described source of the gas and be installed and be connected with the bleed pressure table between the platform; Be connected with the gas tank tensimeter between described slow pressure jar and the air release.

Described bleed pressure table and be installed and be connected with needle-valve A between the platform; Be connected with needle-valve B between described gas tank tensimeter and the air release.

Be connected with the main road stop valve between described positive/negative pressure table and the air release.

Described positive/negative pressure table is connected with an end of tensimeter stop valve; The other end of tensimeter stop valve is connected between main road stop valve and the vacuum pressure valve to be verified.

Be connected with U-shaped pipe stop valve between described main road stop valve and the vacuum pressure valve to be verified and between tensimeter stop valve and the vacuum pressure valve to be verified, the other end of U-shaped pipe stop valve is connected with the U-shaped pipe.

Described needle-valve A and be installed and be connected with mechanical type two-bit triplet reversal valve between the platform, and needle-valve A is connected with the side a and b of mechanical type two-bit triplet reversal valve respectively, and the platform that is installed is connected with the P end of mechanical type two-bit triplet reversal valve.

Be connected with mechanical type two position-5 way valves between described main road stop valve and the tensimeter stop valve, between main road stop valve and the air release and between the flowmeter A, flowmeter B, flowmeter C; And the R of mechanical type two position-5 way valves end and S end are connected between main road stop valve and the tensimeter stop valve; The P end of mechanical type two position-5 way valves is connected between main road stop valve and the air release; Be connected with flowmeter A, flowmeter B, flowmeter C between the side a and b of mechanical type two position-5 way valves, and between the B of mechanical type two position-5 way valves end and flowmeter A, flowmeter B, flowmeter C, be connected with stop valve A, stop valve B, shutoff valve C respectively.

The beneficial effect that the utility model is obtained is:

The said vacuum pressure valve checking table of the utility model has been realized the automatic card-loading of the U.S. mark of each model vacuum pressure valve and has been exhaled, inhaled the integral type detection check; Have advantages such as verification latus rectum scope is big, the verification pressure limit is wide, check results is accurate, satisfy U.S. mark vacuum pressure valve verification standard and checking process requirement; This vacuum pressure valve checking table is simple in structure simultaneously, automaticity is high, simple and convenient operation and maintenance, and verification efficient is high, test performance is stable;

(1) increased flowmeter A, flowmeter B, flowmeter C, satisfied U.S. mark vacuum pressure valve verification standard and checking process requirement, check results is accurate;

(2) platform that is installed adopts and can rotate freely three claws around claw bar level and be installed, and can satisfy and on the same platform that is installed, realize being installed of unified scope vacuum pressure valve; And the platform that is installed adopts hexagon operating table surface, the operation of being convenient to be installed.

Description of drawings

Fig. 1 is the said vacuum pressure valve checking table of a utility model structural drawing;

Fig. 2 is the platform master cut-open view that is installed of the said vacuum pressure valve checking table of the utility model;

Fig. 3 is the platform vertical view that is installed of the said vacuum pressure valve checking table of the utility model;

Among the figure: 1, source of the gas; 2, vacuum pump; 3, the slow jar of pressing; 4, the platform that is installed; 5, cylinder; 6, bleed pressure table; 7, needle-valve A; 8, gas tank tensimeter; 9, needle-valve B; 10, mechanical type two-bit triplet reversal valve; 11, flowmeter A; 12, flowmeter B; 13, flowmeter C; 14, stop valve A; 15, stop valve B; 16, shutoff valve C; 17, mechanical type two position-5 way valves; 18, main road stop valve; 19, tensimeter stop valve; 20, positive/negative pressure table; 21, U-shaped pipe stop valve; 22, U-shaped pipe; 23, air release; 24, vacuum pressure valve to be verified; 25, hexagonal cabinet; 26, pallet; 27, cylinder web joint; 28, big sealing pad; 29, little sealing pad; 30, table top; 31, claw; 32, claw bar; 33, O-ring seal group A; 34, O-ring seal group B.

Embodiment

Below in conjunction with accompanying drawing and specific embodiment the utility model is elaborated.

As shown in Figure 1, the said vacuum pressure valve checking table of the utility model comprises checkout console and is installed platform 4;

Said vacuum pressure valve to be verified 24 is installed on the platform 4 that is installed; As shown in Figures 2 and 3, the said platform 4 that is installed comprises hexagonal cabinet 25, pallet 26, cylinder web joint 27, big sealing pad 28, little sealing pad 29, table top 30, claw 31, claw bar 32, O-ring seal group A33, O-ring seal group B34 and cylinder 5; The upper end of said hexagonal cabinet 25 is provided with table top 30, and the outer rim of the outer rim of table top 30 and hexagonal cabinet is complementary, and the center of table top 30 has manhole; The downside of table top 30 is connected with cylinder web joint 27 through bolt, and the center of cylinder web joint 27 has manhole; In the through hole of table top 30, be provided with big sealing pad 28; And the external diameter of big sealing pad 28 is less than the aperture of the through hole of table top 30; Simultaneously the external diameter of big sealing pad 28 is greater than the aperture of the through hole of cylinder web joint 27, thereby big sealing pad 28 can be fixed on the cylinder web joint 28; Be provided with little sealing pad 29 above the big sealing pad 28; And big sealing pad 28 is provided with and satisfies the O-ring seal group B34 that the latus rectum scope is vacuum pressure valve to be verified 24 sealings of 16 "~24 "; Little sealing pad 29 is provided with and satisfies the O-ring seal group A33 that the latus rectum scope is vacuum pressure valve to be verified 24 sealings of 2 "~12 "; O-ring seal group B34 has 3 of the different O-ring seals of specification, and O-ring seal group A33 has 7 of the different O-ring seals of specification; In the through hole of table top 30 downsides and cylinder web joint 27, pallet 26 is installed, pallet 26 is connected with big sealing pad 28, and cylinder 5 is connected with cylinder web joint 27; Said hexagonal cabinet 25 and table top 30, big sealing pad 28, little sealing pad 29, pallet 26, all coaxial setting of cylinder web joint 27; Table top 30 upper edge places are uniformly distributed with three claws 31 are installed, and each claw 31 is connected with table top 30 through claw bar 32, and three claws 31 all can horizontally rotate around claw bar 32, and do not have lengthwise movement;

As shown in Figure 1, said checkout console comprises source of the gas 1, vacuum pump 2, slowly presses jars 3, bleed pressure table 6, needle-valve A7, gas tank tensimeter 8, needle-valve B9, mechanical type two-bit triplet reversal valve 10, flowmeter A11, flowmeter B12, flowmeter C13, stop valve A14, stop valve B15, shutoff valve C 16, mechanical type two position-5 way valves 17, main road stop valve 18, tensimeter stop valve 19, positive/negative pressure table 20, U-shaped pipe stop valve 21, U-shaped pipe 22 and air release 23; Said source of the gas 1 is connected with the slow jar 3 of pressing; Source of the gas 1 also is connected with the input end of needle-valve A7; Between source of the gas 1 and needle-valve A7, be connected with bleed pressure table 6; The output terminal of needle-valve A7 is connected with the side a and b of mechanical type two-bit triplet reversal valve 10 respectively, and the P end of mechanical type two-bit triplet reversal valve 10 is connected with the cylinder 5 of the platform 4 that is installed;

Said vacuum pump 2 is connected with the slow jar 3 of pressing; The slow jar 3 of pressing also is connected with the input end of needle-valve B9; Be connected with gas tank tensimeter 8 slow the pressure between jar 3 and the needle-valve B9; The output terminal of needle-valve B9 is connected with the input end of main road stop valve 18 with the P end of mechanical type two position-5 way valves 17 respectively, is being connected with air release 23 between needle-valve B9 and the main road stop valve 18 and between needle-valve B9 and mechanical type two position-5 way valves 17; The output terminal of main road stop valve 18 is connected with the R end of mechanical type two position-5 way valves 17 and the inlet end of S end and vacuum pressure valve to be verified 24 respectively; Between main road stop valve 18 and vacuum pressure valve to be verified 24, be connected with tensimeter stop valve 19, U-shaped pipe stop valve 21 in turn, tensimeter stop valve 19 is connected with positive/negative pressure table 20, and U-shaped pipe stop valve 21 is connected with U-shaped pipe 22; The A end of mechanical type two position-5 way valves 17 is connected with flowmeter A11, flowmeter B12 and the input end of flowmeter C13 respectively; The output terminal of flowmeter A11, flowmeter B12 and flowmeter C13 is connected with stop valve A14, stop valve B15 and the input end of shutoff valve C 16 respectively, and the output terminal of stop valve A14, stop valve B15 and shutoff valve C 16 all is connected with the B end of mechanical type two position-5 way valves 17.

When vacuum pressure valve dispatches from the factory verification; Be installed the vacuum pressure valve 24 to be verified and the platform 4 that is installed fixing earlier: horizontally rotate three claw 31 to table tops, 30 outside correct positions; The little sealing pad 29 of platform 4 of being installed is the vacuum pressure valve to be verified 24 of 2 "~12 " in order to the placement latus rectum scope that is installed, and the big sealing pad 28 of the platform 4 that is installed is the vacuum pressure valve to be verified 24 of 16 "~24 " in order to the placement latus rectum scope that is installed; When the joint flange bore of vacuum pressure valve 24 to be verified during, it is positioned on the little sealing pad 29 along center line centering, and the Way out line on the little sealing pad 29 is pointed in the outlet of vacuum pressure valve to be verified 24 between 2 "~12 "; When the joint flange bore of vacuum pressure valve 24 to be verified during, then it is positioned on the big sealing pad 28 along center line centering, and the Way out line on the big sealing pad 28 is pointed in the outlet of vacuum pressure valve to be verified 24 between 16 "~24 "; Then three claws 31 are turned to the joint flange top correct position of vacuum pressure valve 24 to be verified; Open the pressure of needle-valve A7 adjustment source of the gas 1 at last, make cylinder 5 ventilations, the connecting rod of cylinder 5 moves upward, and drives pallet 26 and vacuum pressure valve to be verified 24 integral body and moves upward, up to running into three claws 31; Pretightning force through cylinder 5 clamps vacuum pressure valve 24 to be verified simultaneously, this moment vacuum pressure valve 24 to be verified joint flange sealing surface and sealing pad on the O-ring seal of corresponding bore clamp, realize sealing the vacuum pressure valve 24 so far to be verified completion that is installed.

When exhaling the valve verification, open the verification gas circuit, open industrial source of the gas 1 and be inflated to the steady pressure value for the slow jar 3 of pressing; When vacuum pressure valve 24 set pressure scopes to be verified are-50mmH 2O~+ 50mmH 2During O, open U-shaped pipe stop valve 21, use U-shaped pipe 22 to carry out pressure measurement; When vacuum pressure valve 24 set pressure scopes to be verified exceeded the pressure measurement scope of U-shaped pipe 22, opening pressure table stop valve 19 used positive/negative pressure table 20 to carry out pressure measurement; Open main road stop valve 18, slowly raising feeds the pressure of vacuum pressure valve 24 to be verified, and the pressure that shows until U-shaped pipe 22 (or positive/negative pressure table 20) is closed main road stop valve 18 during near 0.75 times of vacuum pressure valve 24 setup pressure value to be verified; The verification gas circuit adopts measurement range to be respectively 3 flowmeter A11, flowmeter B12 and the flowmeter C13 of 0~1SCFH, 0~2SCFH and 0~10SCFH; Contrast " latus rectum-specified slip " standard scale; Select to open flowmeter A11, flowmeter B12 and the flowmeter C13 of the scope of application according to vacuum pressure valve 24 latus rectums size to be verified; Air-flow moves along flowmeter from bottom to top in the verification this moment pipe system, flows to vacuum pressure valve 24 to be verified; Adjustment needle-valve B9 slowly ventilates, and shows that until flowmeter flow reaches the specified slip of verification of vacuum pressure valve 24 to be verified; Relatively whether the reading of U-shaped pipe 22 (or positive/negative pressure tables 20) judges whether the release performance of to be verified vacuum pressure valve 24 qualified greater than 0.75 times of set pressure; Close the switch valve of corresponding instrument, open main road stop valve 18, open air release 23, slow jar 3 and vacuum pressure valve 24 internal gas pressures to be verified of pressing of releasing;

After pressure release finished, open vacuum pump 2 cut out vacuum pump 2 for delaying after pressure jar 3 is evacuated down to the steady pressure value, goes to and inhales valve verification test.Turn mechanical type two position-5 way valves 17; Make the flowmeter gas circuit flow to switching-over; Air-flow moves along flowmeter from top to bottom in the verification this moment pipe system, flows to the slow pressure jar 3 of negative pressure state, selects the U-shaped pipe stop valve 21 (or tensimeter stop valve 19) of the U-shaped pipe 22 (or positive/negative pressure table 20) of the unlatching scope of application; Corresponding test procedure more than the repetition judges whether the intake performance of vacuum pressure valve 24 to be verified is qualified.After the verified, close the switch valve of corresponding instrument, open air release 23, slow jar 3 and the vacuum pressure valve 24 interior vacuum tightnesss to be verified of pressing of releasing; After system decompression finishes, close needle-valve A7, turn mechanical type two-bit triplet reversal valve 10, vacuum pressure valve 24 to be verified is unloaded in cylinder 5 venting, and verification is accomplished.

Claims (10)

1. vacuum pressure valve checking table is characterized in that: this checking table comprises checkout console and is installed platform (4); Said checkout console comprises source of the gas (1), vacuum pump (2), slow jar (3), a flowmeter A (11), flowmeter B (12), flowmeter C (13), positive/negative pressure table (20) and the air release (23) of pressing; Said source of the gas (1) all is connected with slow press jar (3) with vacuum pump (2), and said source of the gas (1) also is connected with the platform that is installed (4), and the said platform that is installed (4) is equipped with vacuum pressure valve to be verified (24), and the input end of vacuum pressure valve to be verified (24) is connected with slow press jar (3); Be connected with positive/negative pressure table (20) at vacuum pressure valve to be verified (24) and slow the pressure between jar (3); Be connected with air release (23) slow the pressure between jar (3) and the positive/negative pressure table (20), between air release (23) and positive/negative pressure table (20), be connected in parallel to flowmeter A (11), flowmeter B (12) and flowmeter C (13).
2. vacuum pressure valve checking table according to claim 1 is characterized in that: the described platform that is installed (4) comprises the hexagonal cabinet (25), pallet (26), cylinder web joint (27) of coaxial setting, big sealing pad (28), little sealing pad (29), table top (30) and three claws (31) and corresponding claw bar (32), cylinder (5); The upper end of said hexagonal cabinet (25) is provided with table top (30), and the center of table top (30) has manhole; The downside of table top (30) is connected with cylinder web joint (27) through bolt, and the center of cylinder web joint (27) has manhole; In the through hole of table top (30), be provided with big sealing pad (28), and the external diameter of big sealing pad (28) is greater than the aperture of the through hole of cylinder web joint (27); Be provided with little sealing pad (29) above the big sealing pad (28); In the through hole of table top (30) downside and cylinder web joint (27), pallet (26) is installed, pallet (26) is connected with big sealing pad (28), and cylinder (5) is connected with cylinder web joint (27), and cylinder (5) is connected with source of the gas (1); Table top (30) upper edge place is uniformly distributed with three claws (31) is installed, and each claw (31) is connected with table top (30) through claw bar (32), and three claws (31) all can horizontally rotate around claw bar (32), and does not have lengthwise movement.
3. vacuum pressure valve checking table according to claim 2; It is characterized in that: said big sealing pad (28) is provided with and satisfies the O-ring seal group B (34) that the latus rectum scope is vacuum pressure valve to be verified (24) sealing of 16 "~24 ", and little sealing pad (29) is provided with and satisfies the O-ring seal group A (33) that the latus rectum scope is vacuum pressure valve to be verified (24) sealing of 2 "~12 ".
4. vacuum pressure valve checking table according to claim 1 is characterized in that: be connected with bleed pressure table (6) between described source of the gas (1) and the platform that is installed (4); Be connected with gas tank tensimeter (8) between described slow pressure jar (3) and the air release (23).
5. vacuum pressure valve checking table according to claim 4 is characterized in that: be connected with needle-valve A (7) between described bleed pressure table (6) and the platform that is installed (4); Be connected with needle-valve B (9) between described gas tank tensimeter (8) and the air release (23).
6. vacuum pressure valve checking table according to claim 1 is characterized in that: be connected with main road stop valve (18) between described positive/negative pressure table (20) and the air release (23).
7. vacuum pressure valve checking table according to claim 6 is characterized in that: described positive/negative pressure table (20) is connected with an end of tensimeter stop valve (19); The other end of tensimeter stop valve (19) is connected between main road stop valve (18) and the vacuum pressure valve to be verified (24).
8. vacuum pressure valve checking table according to claim 7; It is characterized in that: be connected with U-shaped pipe stop valve (21) between described main road stop valve (18) and the vacuum pressure valve to be verified (24) and between tensimeter stop valve (19) and the vacuum pressure valve to be verified (24), the other end of U-shaped pipe stop valve (21) is connected with U-shaped pipe (22).
9. vacuum pressure valve checking table according to claim 5; It is characterized in that: be connected with mechanical type two-bit triplet reversal valve (10) between described needle-valve A (7) and the platform that is installed (4); And needle-valve A (7) is connected with the side a and b of mechanical type two-bit triplet reversal valve (10) respectively, and the platform that is installed (4) is connected with the P end of mechanical type two-bit triplet reversal valve (10).
10. vacuum pressure valve checking table according to claim 7 is characterized in that: be connected with mechanical type two position-5 way valves (17) between described main road stop valve (18) and the tensimeter stop valve (19), between main road stop valve (18) and the air release (23) and between the flowmeter A (11), flowmeter B (12), flowmeter C (13); And the R of mechanical type two position-5 way valves (17) end and S end are connected between main road stop valve (18) and the tensimeter stop valve (19); The P end of mechanical type two position-5 way valves (17) is connected between main road stop valve (18) and the air release (23); Be connected with flowmeter A (11), flowmeter B (12), flowmeter C (13) between the side a and b of mechanical type two position-5 way valves (17), and between the B of mechanical type two position-5 way valves (17) end and flowmeter A (11), flowmeter B (12), flowmeter C (13), be connected with stop valve A (14), stop valve B (15), shutoff valve C (16) respectively.
CN2011204765381U 2011-11-25 2011-11-25 Breathing valve calibrating table CN202372338U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN2011204765381U CN202372338U (en) 2011-11-25 2011-11-25 Breathing valve calibrating table

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN2011204765381U CN202372338U (en) 2011-11-25 2011-11-25 Breathing valve calibrating table

Publications (1)

Publication Number Publication Date
CN202372338U true CN202372338U (en) 2012-08-08

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ID=46596035

Family Applications (1)

Application Number Title Priority Date Filing Date
CN2011204765381U CN202372338U (en) 2011-11-25 2011-11-25 Breathing valve calibrating table

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Country Link
CN (1) CN202372338U (en)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103134669A (en) * 2011-11-25 2013-06-05 北京航天动力研究所 Checking platform of breather valve
CN103335830A (en) * 2013-06-24 2013-10-02 武汉亚普汽车塑料件有限公司 Automobile fuel tank valve function testing device
CN103792073A (en) * 2012-10-30 2014-05-14 南京汽车集团有限公司 System and method for testing positive and negative opening pressure of fuel tank cap lock
CN104132803A (en) * 2014-06-27 2014-11-05 武汉亚普汽车塑料件有限公司 Tool for detecting valve body pressure flow performance of refueling lock cover of automobile fuel tank
CN107894330A (en) * 2017-11-06 2018-04-10 中船黄埔文冲船舶有限公司 One kind breathing valve action test set and method

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103134669A (en) * 2011-11-25 2013-06-05 北京航天动力研究所 Checking platform of breather valve
CN103134669B (en) * 2011-11-25 2016-06-22 北京航天动力研究所 A kind of breathing valve checking table
CN103792073A (en) * 2012-10-30 2014-05-14 南京汽车集团有限公司 System and method for testing positive and negative opening pressure of fuel tank cap lock
CN103792073B (en) * 2012-10-30 2016-09-07 南京汽车集团有限公司 Fuel tank cap lock positive and negative unlatching pressure testing system and method for testing
CN103335830A (en) * 2013-06-24 2013-10-02 武汉亚普汽车塑料件有限公司 Automobile fuel tank valve function testing device
CN103335830B (en) * 2013-06-24 2016-01-20 东风亚普汽车部件有限公司 Fuel tank of vehicle valve function proving installation
CN104132803A (en) * 2014-06-27 2014-11-05 武汉亚普汽车塑料件有限公司 Tool for detecting valve body pressure flow performance of refueling lock cover of automobile fuel tank
CN107894330A (en) * 2017-11-06 2018-04-10 中船黄埔文冲船舶有限公司 One kind breathing valve action test set and method

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