CN106404550B - Valve body strength test tool and test method for sectional bearing of inner cavity - Google Patents
Valve body strength test tool and test method for sectional bearing of inner cavity Download PDFInfo
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- CN106404550B CN106404550B CN201610996091.8A CN201610996091A CN106404550B CN 106404550 B CN106404550 B CN 106404550B CN 201610996091 A CN201610996091 A CN 201610996091A CN 106404550 B CN106404550 B CN 106404550B
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N3/00—Investigating strength properties of solid materials by application of mechanical stress
- G01N3/08—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces
- G01N3/10—Investigating strength properties of solid materials by application of mechanical stress by applying steady tensile or compressive forces generated by pneumatic or hydraulic pressure
- G01N3/12—Pressure testing
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M13/00—Testing of machine parts
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
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Abstract
The invention discloses a valve body strength test tool and a test method for sectional bearing of an inner cavity, and solves the problems of complex tool structure and high test risk of different communicated cavities in a valve body when different bearing tests are carried out. The blocking piece (5) with the step is arranged in the large-pressure bearing inlet cavity (1), a left blocking plate (7) is arranged at the inlet of the large-pressure bearing inlet cavity (1), an annular groove is formed in the outer side wall of the blocking piece (5) with the step, a test pressing closed annular cavity (9) is formed between the annular groove on the outer side wall of the blocking piece (5) with the step and the inner cavity wall of the large-pressure bearing inlet cavity (1), a left pressing water inlet pipe (10) and a left pressing water outlet pipe (11) are respectively arranged at the right end of the blocking piece (5) with the step, and one end of the left pressing water inlet pipe (10) is communicated with the test pressing closed annular cavity (9). The dangerous degree of the hydrostatic test is reduced, and the test cost is saved.
Description
Technical Field
The invention relates to a high-pressure hydrostatic test of a valve body, in particular to a high-pressure hydrostatic test tool and a high-pressure hydrostatic test method of a valve body with different pressure boundary test requirements.
Background
After the valve body of the valve is manufactured, the valve body is subjected to a high-pressure hydraulic pressure strength test to check whether the strength of the valve body meets the design requirement. The inner cavity of some valves consists of an inlet cavity, an outlet cavity and a piston cavity which are communicated with each other, and the design bearing pressure of each cavity is different. When the test is pressed, the conventional valve body hydrostatic test is adopted, so that the pressure test on different cavities communicated with each other in the valve body cannot be completed, each cavity needs to be pressed in a sealing mode, sealing is respectively carried out in the valve cavity, sealing is difficult, and the tool design is complex and the risk is high during the test.
Disclosure of Invention
The invention provides a valve body strength test tool and a test method for sectional bearing of an inner cavity, and solves the technical problems of complex tool structure, difficult installation and high test danger existing in different cavities communicated with each other in a valve body when different bearing tests are carried out.
The invention solves the technical problems by the following technical proposal:
the utility model provides a valve body intensity test frock of inner chamber segmentation pressure-bearing, including big pressure bearing inlet chamber, piston chamber and little pressure bearing outlet chamber, be provided with the piston through hole between piston chamber and little pressure bearing outlet chamber, the entrance at big pressure bearing inlet chamber is provided with the step recess, the shutoff piece of taking the step sets up in big pressure bearing inlet chamber, the step joint of shutoff piece is in the step recess, entrance at big pressure bearing inlet chamber is provided with left closure plate, left closure plate is fixed on the entry of big pressure bearing inlet chamber through left fixing bolt, be provided with the annular groove on the lateral wall of shutoff piece of taking the step, be formed with the test between annular groove on the lateral wall of shutoff piece of taking the step and the inner chamber wall of big pressure bearing inlet chamber and beat and press sealed annular chamber, right-hand member at the shutoff piece of taking the step is provided with left and beats the outlet pipe respectively, all install big pressure bearing chamber sealing washer on the outer disc of the left and right ends of shutoff piece of taking the step, the one end and the left side of pressing inlet tube are beaten and are closed the annular chamber together, the other end is beaten in the pressure bearing chamber of taking the small pressure to take the pressure to bear the end, the other end is beaten in the pressure to the small.
The piston cavity is characterized in that a piston cavity plug is arranged at the bottom end of the piston cavity, a piston cavity plug fixing plate is arranged at the lower end of the piston passing hole, the piston cavity plug and the piston cavity plug fixing plate are connected together in a penetrating manner through a piston cavity plug fixing bolt, a sealing ring is arranged between the piston cavity plug and the bottom end face of the piston cavity, a valve cover is fastened at the top end of the piston cavity, the valve cover is fixedly connected with the top end of the piston cavity through an upper fixing bolt, and a piston cavity pressing water inlet and a piston cavity pressing water outlet are respectively arranged on the valve cover.
The right end of the small pressure bearing outlet cavity is provided with a right sealing plate, a right sealing ring is arranged between the right sealing plate and the right end face of the small pressure bearing outlet cavity, the right sealing plate is fixedly connected with the right end of the small pressure bearing outlet cavity through a right fixing bolt, and the right sealing plate is respectively provided with a right water inlet and a right water outlet.
A valve body strength test method for sectional bearing of an inner cavity comprises the following steps:
the method comprises the steps of firstly, placing a block with a step, provided with a sealing ring of a large pressure bearing cavity, into a large pressure bearing inlet cavity of a valve body, connecting a left blocking plate with the left end of the large pressure bearing inlet cavity of the valve body by using a left fixing bolt, forming a test pressurizing closed annular cavity between an annular groove on the outer side wall of the block with the step and the inner cavity wall of the large pressure bearing inlet cavity, connecting the left pressurizing inlet pipe with a pressure pump joint, sealing a left pressurizing outlet pipe, switching on a power supply of the pressure pump, starting the pressure pump, injecting high-pressure water into the test pressurizing closed annular cavity between the block with the step and the large pressure bearing inlet cavity of the valve body, pressurizing to the working pressure required by the test, maintaining the pressure for a certain time, and checking whether water seepage exists at the joint of the block with the step and the large pressure bearing inlet cavity of the valve body, if the water seepage phenomenon exists, and judging the quality of the large pressure bearing inlet cavity of the valve body is qualified;
the second step, the water outlet blocking object in the left pressing water outlet pipe is taken down, the pressure is removed, the pressure pump joint is removed from the left pressing water outlet pipe, the piston cavity blocking object with the sealing ring is put into the piston cavity of the valve body, the piston cavity blocking object and the piston cavity blocking object fixing plate are connected together in a penetrating way through the piston cavity blocking object fixing bolt, the valve cover and the top end of the piston cavity are fixedly connected together through the fixing bolt, the water inlet is pressed in the piston cavity and connected with the pressure pump joint, the water outlet is pressed in the piston cavity, the power supply of the pressure pump is connected, the pressure pump is started, high-pressure water is injected into the piston cavity of the valve body, the pressure is pressurized to the working pressure required by the test, the pressure is maintained for a certain time, whether the water seepage phenomenon exists at the joint of the valve cover and the piston cavity of the valve body, if the water seepage phenomenon exists, and the piston cavity of the valve body is qualified;
and thirdly, taking down the plug in the piston cavity pressurizing water outlet pipe, unloading the pressure pump joint from the piston cavity pressurizing water inlet, connecting the right sealing plate provided with the right sealing ring with the right end of the small pressure bearing outlet cavity, fastening by using a right fixing bolt, connecting the water inlet of the right sealing plate with the pressure pump joint, sealing the water outlet of the right sealing plate, switching on a power supply of the pressure pump, starting the pressure pump, injecting high-pressure water into the small pressure bearing outlet cavity, pressurizing to the working pressure required by the test, maintaining the pressure for a certain time, and checking whether water seepage exists at the joint of the right sealing plate and the small pressure bearing outlet cavity of the valve body, if no water seepage exists, and the small pressure bearing outlet cavity is qualified.
The invention solves the problem that the hydraulic test of the valve body communication cavity under different pressure requirements cannot be performed, reduces the dangerous degree of the hydraulic test and saves the test cost.
Drawings
FIG. 1 is a schematic view of the structure of the valve body of the present invention;
fig. 2 is a schematic structural view of the large pressure bearing inlet chamber 1 of the present invention when being pressurized;
fig. 3 is a schematic diagram of the structure of the piston chamber 2 and the small-pressure-bearing outlet chamber 3 of the present invention when pressurized;
fig. 4 is a top view of fig. 3.
Description of the embodiments
The invention is described in detail below with reference to the attached drawing figures:
the utility model provides a valve body intensity test frock of inner chamber segmentation pressure-bearing, including big pressure-bearing inlet chamber 1, piston chamber 2 and little pressure-bearing outlet chamber 3, be provided with piston through hole 4 between piston chamber 2 and little pressure-bearing outlet chamber 3, be provided with step recess 6 in the entrance of big pressure-bearing inlet chamber 1, the shutoff piece 5 of taking the step sets up in big pressure-bearing inlet chamber 1, the step joint of shutoff piece 5 is provided with left closure plate 7 in step recess 6 in the entrance of big pressure-bearing inlet chamber 1, left closure plate 7 is fixed on the entry of big pressure-bearing inlet chamber 1 through left fixing bolt 8, be provided with the annular groove on the lateral wall of shutoff piece 5 of taking the step, be formed with test and beat and press seal annular chamber 9 between the annular groove on the lateral wall of shutoff piece 5 of taking the step and the inner chamber wall of big pressure-bearing inlet chamber 1, right-hand member that is provided with left and beats water outlet pipe 11 respectively at the left end face of taking the shutoff piece 5 of taking the step, the left and right sides outer round face of taking the shutoff piece 5 of taking the step is provided with left side pressure-bearing inlet pipe 10, the shutoff piece 10 is pressed together with the other end of taking the shutoff piece 5, the shutoff piece is pressed together with the left end 10 and is pressed in the annular chamber 10. The main innovation point of the invention is that the test is to press the closed annular cavity 9 instead of the whole pressing test of the large-pressure bearing inlet cavity 1, so that the test effect is more reliable.
The bottom of the piston cavity 2 is provided with a piston cavity plug 13, the lower end of the piston passing hole 4 is provided with a piston cavity plug fixing plate 14, the piston cavity plug 13 and the piston cavity plug fixing plate 14 are connected together in a penetrating way by a piston cavity plug fixing bolt 15, a sealing ring 16 is arranged between the piston cavity plug 13 and the bottom surface of the piston cavity 2, the top end of the piston cavity 2 is buckled with a valve cover 17, the valve cover 17 is fixedly connected with the top end of the piston cavity by an upper fixing bolt 18, and a piston cavity pressing water inlet 19 and a piston cavity pressing water outlet 20 are respectively arranged on the valve cover 17. The plugging structure can not damage the valve cavity and is convenient to detach.
A right sealing plate 21 is arranged at the right end of the small pressure bearing outlet cavity 3, a right sealing ring 23 is arranged between the right sealing plate 21 and the right end face of the small pressure bearing outlet cavity 3, the right sealing plate 21 is fixedly connected with the right end of the small pressure bearing outlet cavity 3 through a right fixing bolt 22, and a right water inlet 24 and a right water outlet 25 are respectively arranged on the right sealing plate 21. The method for blocking step by step and pressing test sequentially is suitable for the pressing test of the valve body and saves the pressing test period.
A valve body strength test method for sectional bearing of an inner cavity comprises the following steps:
the method comprises the steps of firstly, placing a stepped blocking piece 5 provided with a large pressure bearing cavity sealing ring 12 into a valve body large pressure bearing inlet cavity 1, connecting a left blocking plate 7 with the left end of the valve body large pressure bearing inlet cavity 1 by using a left fixing bolt 8, forming a test pressing closed annular cavity 9 between an annular groove on the outer side wall of the stepped blocking piece 5 and the inner cavity wall of the large pressure bearing inlet cavity 1, connecting a left pressing water inlet pipe 10 with a pressure pump joint, blocking a left pressing water outlet pipe 11, switching on a pressure pump power supply, starting a pressure pump, injecting high-pressure water into the test pressing closed annular cavity 9 between the stepped blocking piece 5 and the valve body large pressure bearing inlet cavity 1, pressurizing to the working pressure required by the test, maintaining the pressure for a certain time, checking whether water seepage exists at the joint of the stepped blocking piece 5 and the valve body large pressure bearing inlet cavity 1, and if the water seepage exists, and judging the quality of the valve body large pressure bearing inlet cavity 1 is qualified;
secondly, removing a water outlet plugging material in the left pressing water outlet pipe 11, unloading pressure, unloading a pressure pump joint from the left pressing water outlet pipe 11, putting a piston cavity plug 13 provided with a sealing ring 16 into a valve body piston cavity 2, penetrating the piston cavity plug 13 and a piston cavity plug fixing plate 14 together by a piston cavity plug fixing bolt 15, fixedly connecting a valve cover 17 with the top end of the piston cavity by a fixing bolt 18, connecting a piston cavity pressing water inlet 19 with the pressure pump joint, plugging a piston cavity pressing water outlet 20, switching on a pressure pump power supply, starting the pressure pump, injecting high-pressure water into the valve body piston cavity 2, pressurizing to the working pressure required by a test, maintaining the pressure for a certain time, checking whether a water seepage phenomenon exists at the joint of the valve cover 17 and the valve body piston cavity 2, if the water seepage phenomenon exists, and judging that the valve body piston cavity 2 is qualified;
and thirdly, taking down the blocking material in the piston cavity pressurizing water outlet 20, unloading the pressure pump connector from the piston cavity pressurizing water inlet 19, connecting the right blocking plate 21 provided with the right sealing ring 23 with the right end of the small pressure bearing water outlet cavity 3, fastening by using the right fixing bolt 22, connecting the right water inlet 24 with the pressure pump connector, blocking the right water outlet 25, switching on the pressure pump power supply, starting the pressure pump, injecting high-pressure water into the small pressure bearing water outlet cavity 3, pressurizing to the working pressure required by the test, maintaining the pressure for a certain time, and checking whether water seepage exists at the joint of the right blocking plate 21 and the valve body small pressure bearing water outlet cavity 3, if no water seepage exists, judging that the small pressure bearing water outlet cavity 3 is qualified.
Claims (4)
1. The utility model provides a valve body strength test fixture with sectional pressure bearing inner cavity, which comprises a large pressure bearing inlet cavity (1), a piston cavity (2) and a small pressure bearing outlet cavity (3), wherein a piston through hole (4) is arranged between the piston cavity (2) and the small pressure bearing outlet cavity (3), a step groove (6) is arranged at the inlet of the large pressure bearing inlet cavity (1), the valve body strength test fixture is characterized in that a block (5) with a step is arranged in the large pressure bearing inlet cavity (1), the step of the block (5) is clamped in the step groove (6), a left blocking plate (7) is arranged at the inlet of the large pressure bearing inlet cavity (1), the left blocking plate (7) is fixed on the inlet of the large pressure bearing inlet cavity (1) through a left fixing bolt (8), an annular groove is arranged on the outer side wall of the block (5) with the step, a test pressing closed annular cavity (9) is formed between the annular groove on the outer side wall of the block (5) with the step and the inner cavity wall of the large pressure bearing inlet cavity (1), a left pressing water inlet pipe (10) and a left pressing water outlet pipe (11) are respectively arranged at the right end of the block (5) with the step, large pressure bearing cavity sealing rings (12) are respectively arranged on the outer circular surfaces of the left end and the right end of the block (5) with the step, one end of the left pressing water inlet pipe (10) is communicated with the test pressing closed annular cavity (9), the other end of the left pressing water inlet pipe (10) is arranged in the small pressure bearing outlet cavity (3).
2. The valve body strength test tool with the sectional bearing inner cavity according to claim 1, wherein a piston cavity plug (13) is arranged at the bottom end of a piston cavity (2), a piston cavity plug fixing plate (14) is arranged at the lower end of a piston passing hole (4), the piston cavity plug (13) and the piston cavity plug fixing plate (14) are connected together in a penetrating manner through a piston cavity plug fixing bolt (15), a sealing ring (16) is arranged between the piston cavity plug (13) and the bottom end surface of the piston cavity (2), a valve cover (17) is fastened at the top end of the piston cavity (2), the valve cover (17) is fixedly connected with the top end of the piston cavity through an upper fixing bolt (18), and a piston cavity pressurizing water inlet (19) and a piston cavity pressurizing water outlet (20) are respectively arranged on the valve cover (17).
3. The valve body strength test tool for sectional bearing of an inner cavity according to claim 2, wherein a right plugging plate (21) is arranged at the right end of the small pressure bearing outlet cavity (3), a right sealing ring (23) is arranged between the right plugging plate (21) and the right end face of the small pressure bearing outlet cavity (3), the right plugging plate (21) is fixedly connected with the right end of the small pressure bearing outlet cavity (3) through a right fixing bolt (22), and a right water inlet (24) and a right water outlet (25) are respectively arranged on the right plugging plate (21).
4. A test method of a valve body strength test fixture utilizing inner cavity sectional bearing as claimed in claim 3, comprising the following steps:
the method comprises the steps that firstly, a stepped block (5) provided with a large pressure bearing cavity sealing ring (12) is placed into a valve body large pressure bearing inlet cavity (1), a left fixing bolt (8) is used for connecting a left blocking plate (7) with the left end of the valve body large pressure bearing inlet cavity (1), a test pressurizing closed annular cavity (9) is formed between an annular groove on the outer side wall of the stepped block (5) and the inner cavity wall of the large pressure bearing inlet cavity (1), a left pressurizing water inlet pipe (10) is connected with a pressure pump joint, a left pressurizing water outlet pipe (11) is plugged, a pressure pump power supply is connected, a pressure pump is started, high-pressure water is injected into the test pressurizing closed annular cavity (9) formed between the stepped block (5) and the valve body large pressure bearing inlet cavity (1), the test pressurizing is carried out until the working pressure required by the test is carried out, and if no water seepage phenomenon exists at the joint of the block (5) with the step and the valve body large pressure bearing inlet cavity (1) is detected, and the water seepage quality of the valve body large pressure bearing inlet cavity (1) is qualified;
secondly, removing a water outlet plugging material in the left pressing water outlet pipe (11), unloading pressure, unloading a pressure pump connector from the left pressing water outlet pipe (11), putting a piston cavity plug (13) provided with a sealing ring (16) into a valve body piston cavity (2), connecting the piston cavity plug (13) and a piston cavity plug fixing plate (14) together by using a piston cavity plug fixing bolt (15), fixedly connecting a valve cover (17) and the top end of the piston cavity together by using a fixing bolt (18), connecting a piston cavity pressing water inlet (19) and the pressure pump connector together, plugging the piston cavity pressing water outlet (20), switching on a pressure pump power supply, starting the pressure pump, injecting high-pressure water into the valve body piston cavity (2), pressurizing to the working pressure required by a test, maintaining the pressure for a certain time, checking whether water seepage phenomenon exists at the joint of the valve cover (17) and the valve body piston cavity (2), if the water seepage phenomenon does not exist, and the valve body piston cavity (2) is qualified;
and thirdly, taking down the blocking material in the piston cavity pressurizing water outlet (20), unloading the pressure pump joint from the piston cavity pressurizing water inlet (19), connecting the right blocking plate (21) provided with the right sealing ring (23) with the right end of the small pressure bearing water outlet cavity (3), fastening by using the right fixing bolt (22), connecting the right water inlet (24) with the pressure pump joint, blocking the right water outlet (25), switching on the pressure pump power supply, starting the pressure pump, injecting high-pressure water into the small pressure bearing water outlet cavity (3), pressurizing to the working pressure required by the test, maintaining the pressure for a certain time, checking whether the water seepage phenomenon exists at the joint of the right blocking plate (21) and the valve body small pressure bearing water outlet cavity (3), if no water seepage phenomenon exists, and judging that the small pressure bearing water outlet cavity (3) is qualified.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201610996091.8A CN106404550B (en) | 2016-11-12 | 2016-11-12 | Valve body strength test tool and test method for sectional bearing of inner cavity |
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| CN201610996091.8A CN106404550B (en) | 2016-11-12 | 2016-11-12 | Valve body strength test tool and test method for sectional bearing of inner cavity |
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| CN106404550B true CN106404550B (en) | 2023-05-26 |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107702859B (en) * | 2017-11-25 | 2023-12-26 | 山西江淮重工有限责任公司 | Shutoff frock is used in valve body intensity test |
| CN109307571A (en) * | 2018-09-29 | 2019-02-05 | 山西江淮重工有限责任公司 | A kind of body strength test closure tooling with inner cavity inclined hole water outlet |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08304235A (en) * | 1995-05-01 | 1996-11-22 | Arai Pump Mfg Co Ltd | Testing device for valve stem seal |
| CN201327434Y (en) * | 2008-11-27 | 2009-10-14 | 秦山核电有限公司 | On-line experimental unit for portable welding check valve |
| CN102788692A (en) * | 2012-07-17 | 2012-11-21 | 浙江石化阀门有限公司 | Thermal state seal test device of superhigh temperature hot valve |
| CN102937552A (en) * | 2012-11-29 | 2013-02-20 | 天津银河阀门有限公司 | Gate valve shell intensity and bidirectional seal testing machine |
| CN203189721U (en) * | 2013-03-19 | 2013-09-11 | 武汉锅炉集团阀门有限责任公司 | High-strength all-forging supercritical hydrostatic test blocking valve |
| CN203869958U (en) * | 2014-03-20 | 2014-10-08 | 南通市电站阀门有限公司 | Pressure test tooling for ultra-large type valve |
| CN204882007U (en) * | 2015-06-26 | 2015-12-16 | 中广核工程有限公司 | Leakproofness measuring device of check valve |
| CN105352711A (en) * | 2015-11-02 | 2016-02-24 | 新昌县利永达制冷机械有限公司 | Constant pressure valve and detection device and detection method thereof |
| CN206311439U (en) * | 2016-11-12 | 2017-07-07 | 山西江淮重工有限责任公司 | The body strength test tool of internal chamber section pressure-bearing |
-
2016
- 2016-11-12 CN CN201610996091.8A patent/CN106404550B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08304235A (en) * | 1995-05-01 | 1996-11-22 | Arai Pump Mfg Co Ltd | Testing device for valve stem seal |
| CN201327434Y (en) * | 2008-11-27 | 2009-10-14 | 秦山核电有限公司 | On-line experimental unit for portable welding check valve |
| CN102788692A (en) * | 2012-07-17 | 2012-11-21 | 浙江石化阀门有限公司 | Thermal state seal test device of superhigh temperature hot valve |
| CN102937552A (en) * | 2012-11-29 | 2013-02-20 | 天津银河阀门有限公司 | Gate valve shell intensity and bidirectional seal testing machine |
| CN203189721U (en) * | 2013-03-19 | 2013-09-11 | 武汉锅炉集团阀门有限责任公司 | High-strength all-forging supercritical hydrostatic test blocking valve |
| CN203869958U (en) * | 2014-03-20 | 2014-10-08 | 南通市电站阀门有限公司 | Pressure test tooling for ultra-large type valve |
| CN204882007U (en) * | 2015-06-26 | 2015-12-16 | 中广核工程有限公司 | Leakproofness measuring device of check valve |
| CN105352711A (en) * | 2015-11-02 | 2016-02-24 | 新昌县利永达制冷机械有限公司 | Constant pressure valve and detection device and detection method thereof |
| CN206311439U (en) * | 2016-11-12 | 2017-07-07 | 山西江淮重工有限责任公司 | The body strength test tool of internal chamber section pressure-bearing |
Non-Patent Citations (2)
| Title |
|---|
| 王晓钧等.GB/T 13927-2008 工业阀门压力试验.中国标准出版社,2008,全文. * |
| 王晓钧等.JB/T 9092-1992阀门的检验与试验.机械科学研究院,1999,全文. * |
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