CN219737110U - Pressure-bearing flange hydrostatic test device - Google Patents
Pressure-bearing flange hydrostatic test device Download PDFInfo
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- CN219737110U CN219737110U CN202320711183.2U CN202320711183U CN219737110U CN 219737110 U CN219737110 U CN 219737110U CN 202320711183 U CN202320711183 U CN 202320711183U CN 219737110 U CN219737110 U CN 219737110U
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- pressure
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- pressing plate
- test
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- 238000012360 testing method Methods 0.000 title claims abstract description 137
- 230000002706 hydrostatic effect Effects 0.000 title claims abstract description 30
- 238000007789 sealing Methods 0.000 claims abstract description 118
- 230000003139 buffering effect Effects 0.000 abstract description 2
- 238000001514 detection method Methods 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 19
- 230000000694 effects Effects 0.000 description 8
- 239000007788 liquid Substances 0.000 description 3
- 238000000034 method Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 2
- 238000002347 injection Methods 0.000 description 2
- 239000007924 injection Substances 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Abstract
The utility model relates to the technical field of pressure equipment detection, and provides a pressure-bearing flange hydrostatic test device which comprises a first sealing pressing plate, a pressure-bearing flange and an expansion part which are sequentially and coaxially connected in the vertical direction, wherein a first through hole is formed in the center of the axis of the first sealing pressing plate, a pressure test cavity is formed in the center of the axis of the pressure-bearing flange, one end of the pressure test cavity is connected with the first sealing pressing plate in a matched manner, the pressure test cavity is communicated with the first through hole, the other end of the pressure test cavity is connected with the expansion part in a matched manner, an expansion cavity is formed in the expansion part, a through hole is formed in the center of the top of the expansion part, the expansion cavity is communicated with the pressure test cavity through the through hole, and a second through hole is formed in the top of the expansion part. According to the pressure-bearing flange hydraulic test device, the capacity-expansion cavity is arranged to be communicated with the pressure test cavity, so that the ratio of residual gas in the whole test cavity is reduced, the test stability is improved, the capacity of the whole device for buffering pressure is improved, and the hydraulic test requirement of small-volume cavities such as pressure-bearing flanges is met.
Description
Technical Field
The utility model relates to the technical field of pressure equipment detection, in particular to a pressure flange hydrostatic test device.
Background
With the gradual increase of the power of the unit in conventional thermal power and nuclear power equipment, the water pump is used as core power equipment of the unit, and the working pressure of the water pump can reach 20-60 MPa. The high-pressure working environment has higher and higher requirements on the sealing performance and pressure-bearing safety of the water pump. Therefore, a hydrostatic test is required to be performed on some key bearing components in the water pump to confirm the pressure maintaining effect.
At present, when the water pump is used for carrying out a hydrostatic test on pressure-bearing parts with smaller cavities such as the counter flange, the method shown in the figure 1 is generally adopted, the two ends of the counter flange are sealed, the hydrostatic test is carried out only through the cavity volume of the counter flange, and the volume of the cavity is only about 500ml because of the small volume of the counter flange, so that the proportion of the residual gas volume in the cavity to the total volume of the cavity is relatively large, when the counter flange is subjected to high pressure, the ratio of the change of the gas volume to the total cavity volume is increased, the residual gas is greatly influenced on the stability of the hydrostatic test, the test pressure is difficult to control, the pressure maintaining failure is further caused, and the danger is generated once leakage occurs.
Disclosure of Invention
Aiming at the defects of the prior art, the utility model provides a pressure-bearing flange hydrostatic test device, which solves the technical problems that residual gas occupies a larger area, has poor pressure stabilizing performance and is easy to leak due to small volume of a cavity when hydrostatic test is carried out on pressure-bearing parts of small cavities such as a counter flange in the prior art.
The utility model provides a pressure-bearing flange water pressure test device, which comprises:
the first sealing pressing plate, the pressure-bearing flange and the capacity expansion part are sequentially and coaxially connected in the vertical direction;
a first through hole is formed in the center of the axis of the first sealing pressing plate;
the axial center of the pressure-bearing flange is provided with a pressure test cavity, one end of the pressure test cavity is connected with the first sealing pressing plate in a matched mode, the pressure test cavity is communicated with the first through hole, and the other end of the pressure test cavity is connected with the expansion part in a matched mode;
the capacity-expanding part is internally provided with a capacity-expanding cavity, the top center of the capacity-expanding part is provided with a through hole, and the capacity-expanding cavity is communicated with the pressure test cavity through the through hole; the top of the expansion part is also provided with a second through hole.
Optionally, the volume of the expansion cavity is larger than the volume of the pressure test cavity, and the diameter of the via hole is smaller than the diameter of the pressure test cavity.
Optionally, the first seal pressing plate comprises a horizontal pressing plate and a seal section, the seal section is coaxially arranged on one side of the horizontal pressing plate, which is close to the pressure-bearing flange, and the seal section stretches into the pressure test cavity and is connected with the pressure test cavity in a matched manner.
Optionally, a first sealing ring is arranged on the side wall of the sealing section along the horizontal circumferential direction.
Optionally, the capacity expansion part comprises a second sealing pressing plate and a sealing body which are connected;
the second sealing pressing plate is arranged at the top of the sealing body, the expansion cavity is formed between the second sealing pressing plate and the sealing body, the through hole is formed in the center of the axis of the second sealing pressing plate, and the top of the second sealing pressing plate is connected with the expansion cavity in a matched mode.
Optionally, the second sealing pressing plate is in threaded connection with the sealing body.
Optionally, a second sealing ring is arranged on the top of the second sealing pressing plate, which is close to the pressure testing cavity, along the horizontal circumferential direction.
Optionally, a third sealing ring is arranged on the top of the sealing body, close to the expansion cavity, along the horizontal circumferential direction.
Optionally, the capacity expansion part is also connected with a pressure release valve.
Optionally, the first sealing pressing plate, the pressure-bearing flange and the capacity expansion part are sequentially connected in a threaded manner along the axis.
According to the pressure-bearing flange hydraulic test device, one end of the pressure-bearing flange axial center is sealed through the first sealing pressing plate, meanwhile, the first through hole for hydraulic test is formed in the first sealing pressing plate, the other end of the pressure-bearing flange axial center is connected with the capacity-expanding part provided with the capacity-expanding cavity, on one hand, the capacity-expanding part is utilized to seal the pressure-bearing flange axial center, on the other hand, the capacity-expanding cavity is communicated with the pressure-bearing flange axial center, the capacity of the pressure-bearing flange axial center is increased, the volume of the pressure-bearing flange hydraulic test cavity is increased, the volume of gas remaining in the pressure-bearing flange axial center is smaller than the total volume of the pressure-bearing flange axial center, and when the pressure-bearing flange axial center is subjected to high pressure, the change of the volume of the gas remaining does not influence the stability of the whole flange hydraulic test. The device provided by the utility model is communicated with the pressure testing cavity by arranging the capacity expansion cavity, so that the ratio of residual gas in the whole cavity is reduced, the stability of the test is improved, the capacity of the whole device for buffering the pressure is improved, and the hydraulic test requirement of small-volume cavities such as pressure-bearing flanges is met.
The technical scheme of the utility model is further described in detail through the drawings and the embodiments.
Drawings
The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model. In the drawings:
FIG. 1 is a schematic diagram of a device for hydrostatic testing of a pressure flange in the prior art;
fig. 2 is a schematic diagram of module connection relationship of an embodiment of the pressure flange hydrostatic test device provided by the utility model.
In the figure:
1. a first sealing pressure plate; 101. a first through hole; 102. a horizontal platen; 103. a sealing section; 104. a first seal ring;
2. a pressure-bearing flange; 201. a pressure test cavity;
3. a capacity expansion part; 301. a capacity expansion cavity; 302. a second sealing pressure plate; 303. a sealing body; 304. a via hole; 305. a second seal ring; 306. a third seal ring; 307. and a second through hole.
Detailed Description
In the description of the present utility model, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "clockwise", "counterclockwise", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings are merely for convenience in describing the present utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present utility model.
Furthermore, the terms "first," "second," and the like, are used for descriptive purposes only and are not to be construed as indicating or implying a relative importance or implicitly indicating the number of technical features indicated. Thus, a feature defining "a first" or "a second" may explicitly or implicitly include one or more such feature. In the description of the present utility model, the meaning of "a plurality" is two or more, unless explicitly defined otherwise.
In the present utility model, unless explicitly specified and limited otherwise, the terms "mounted," "connected," "secured," and the like are to be construed broadly and may be, for example, fixedly connected, detachably connected, or integrally connected; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present utility model can be understood by those of ordinary skill in the art according to the specific circumstances.
The utility model provides a pressure-bearing flange hydrostatic test device, which comprises a first sealing pressing plate 1, a pressure-bearing flange 2 and an expansion part 3 which are sequentially and coaxially connected along the vertical direction, wherein a first through hole 101 is formed in the center of the axis of the first sealing pressing plate 1, a pressure test cavity 201 is formed in the center of the axis of the pressure-bearing flange 2, one end of the pressure test cavity 201 is in matched connection with the first sealing pressing plate 1, the pressure test cavity 201 is communicated with the first through hole 101, the other end of the pressure test cavity 201 is in matched connection with the expansion part 3, an expansion cavity 301 is formed in the expansion part 3, a through hole 304 is formed in the center of the top of the expansion part 3, the expansion cavity 301 is communicated with the pressure test cavity 201 through the through hole 304, and a second through hole 307 is formed in the top of the expansion part 3.
According to the pressure-bearing flange hydraulic test device provided by the utility model, one end of the pressure-bearing cavity 201 in the center of the axis of the pressure-bearing flange 2 is sealed through the first sealing pressing plate 1, meanwhile, the first sealing pressing plate 1 is provided with the first through hole 101 for exhausting in the hydraulic test, the other end of the pressure-bearing cavity 201 is connected with the expansion part 3 provided with the expansion cavity 301, the top of the expansion part 3 is provided with the second through hole 307 for injecting water, on one hand, the pressure-bearing cavity 201 is sealed by the expansion part 3, on the other hand, the expansion cavity 301 is communicated with the pressure-bearing cavity 201, the expansion of the pressure-bearing cavity 201 can be realized, the volume of the pressure-bearing flange 2 for hydraulic test is increased, the volume of the residual gas in the cavity for hydraulic test is smaller than the total volume of the test cavity, and when the pressure-bearing cavity 201 is subjected to high pressure, the change of the volume of the residual gas does not influence the stability of the whole flange hydraulic test. The device provided by the utility model is communicated with the pressure testing cavity 201 by arranging the capacity expansion cavity 301, so that the ratio of residual gas in the whole cavity volume is reduced, the test stability is improved, the capacity of the whole buffer pressure of the device is increased, and the hydraulic test requirement of small-volume cavities such as the pressure-bearing flange 2 is met.
Specifically, the pipelines of the water pump applied to the unit are connected through the matched flange, the matched flange comprises a normal phase flange and a counter flange matched with the normal phase flange, the matched flange is used as a key bearing part in the water pump, a hydraulic test is required to be carried out to determine the tightness and bearing safety of the part, and the test requirement under the high-pressure condition is met. However, in actual operation, the air in the cavity cannot be completely exhausted regardless of control, and the residual air has an influence on the stability and safety of the hydrostatic test due to the compressibility of the air, and the larger the residual air ratio, the larger the influence. Therefore, the volume of the pressure testing cavity 201 is indirectly increased by introducing the capacity expansion cavity 301, the water storage capacity is further increased, the corresponding liquid pressure buffer space is increased, when the liquid is injected into the pressure testing cavity 201 by a press, the increasing speed of the pressure in the pressure testing cavity 201 is reduced, the slow increasing speed of the pressure can drive the pressure value to steadily and reliably increase, the pressure value of the hydrostatic test of the pressure-bearing flange 2 is ensured to be kept in a controllable range, the pressure-bearing counter-flange to be tested, the used instruments and meters and the like are not subjected to the excessive pressure value exceeding the expected value, and the damage of parts or other dangerous situations are avoided.
Specifically, in the above embodiment, the volume of the expansion chamber 301 is larger than the volume of the pressure test chamber 201, and the diameter of the through hole 304 is smaller than the diameter of the pressure test chamber 201. In this embodiment, the volume of the expansion chamber 301 provided in the expansion portion 3 is larger than the volume of the pressure test chamber 201, and the volume of the expansion chamber 301 is typically much larger than the volume of the pressure test chamber 201. Because the volume of the pressure testing cavity 201 of the pressure-bearing flange 2 is smaller, when the pressure testing cavity 201 is only adopted as all cavities of the hydraulic test, the gas remaining in the pressure testing cavity 201 occupies the whole cavities of the hydraulic test, the specific gravity is larger, the stability and the safety of the test are greatly influenced, the test cavity is communicated with a capacity expansion cavity 301, the volume of the capacity expansion cavity 301 is larger than that of the pressure testing cavity 201, the volume of the whole cavities of the hydraulic test is increased, the volume ratio of the gas remaining in the pressure testing cavity 201, which occupies the whole cavities of the test, is reduced, the larger the volume of the capacity expansion cavity 301 is, the volume ratio of the remaining gas is smaller, even is ignored, the influence on the pressure stability of the hydraulic test is reduced, and the pressure maintaining effect of the hydraulic test is improved. And the diameter of the through hole 304 is smaller than that of the pressure testing cavity 201, so that water in the pressure testing cavity 201 slowly flows into the capacity expansion cavity 301, the rising rate of the pressure in the pressure testing cavity 201 is reduced, the slow pressure rising rate can drive the pressure value to rise steadily and reliably, and the pressure value of the hydrostatic test of the pressure-bearing flange 2 is ensured to be kept in a controllable range.
Specifically, in the above embodiment, as shown in fig. 2, the first sealing platen 1 includes the horizontal platen 102 and the sealing section 103, the sealing section 103 is coaxially disposed on the side of the horizontal platen 102 close to the pressure flange 2, and the sealing section 103 extends into the pressure test cavity 201 and is cooperatively connected with the pressure test cavity 201. In this embodiment, the first sealing pressing plate 1 is used for sealing the pressure testing cavity 201, and is specifically divided into a horizontal pressing plate 102 and a sealing section 103 that are vertically arranged, the horizontal pressing plate 102 and the capacity expansion portion 3 are kept parallel, the pressure testing cavity 201 is ensured to be completely located in the vertical direction, the diameter of the sealing section 103 is equal to the diameter of the pressure testing cavity 201, and the sealing section 103 extends into the pressure testing cavity 201 and is connected in a matched manner, so that the sealing effect is further enhanced.
Further, a first seal ring 104 is provided on the side wall of the seal section 103 in the horizontal circumferential direction. In this embodiment, seal segment 103 stretches into in the pressure testing cavity 201 for first seal clamp plate 1 plays fine sealed effect to pressure testing cavity 201, and at the in-process that carries out the hydrostatic test, the pressure testing cavity 201 intussuseption is filled with liquid, and seal segment 103 stretches into in the pressure testing cavity 201 and is connected with the cooperation of pressure testing cavity 201, consequently need ensure the leakproofness of cooperation connection between seal segment 103 and the pressure testing cavity 201, consequently be provided with first sealing washer 104 along horizontal circumferencial direction on seal segment 103's lateral wall, avoid high-pressure water to reveal between seal segment 103 and the pressure testing cavity 201, influence hydrostatic test's test effect.
Specifically, in the above embodiment, the capacity expansion portion 3 includes the second sealing pressing plate 302 and the sealing body 303, the second sealing pressing plate 302 is disposed at the top of the sealing body 303, the capacity expansion cavity 301 is formed between the second sealing pressing plate 302 and the sealing body 303, the axial center of the second sealing pressing plate 302 is provided with the through hole 304, and the top of the second sealing pressing plate 302 is connected with the capacity expansion cavity 301 in a matching manner. In this embodiment, the capacity expansion portion 3 specifically selects a form of combining the second sealing pressing plate 302 with the sealing body 303, specifically, the sealing body 303 may be in a cylinder or a cuboid, and the shape of the second sealing pressing plate 302 is consistent with the shape of the sealing body 303, so as to ensure tightness of the capacity expansion cavity 301 between the second sealing pressing plate 302 and the sealing body 303, and meanwhile, a through hole 304 is formed in the center of an axis of the second sealing body 303, so that the pressure test cavity 201 is communicated with the capacity expansion cavity 301, and when the hydraulic test is performed, the high-pressure water injection device injects water through the second through hole 307, so that high-pressure water gradually flows into the pressure test cavity 201 through the through hole 304 in the capacity expansion cavity 301, and the test cavity volume of the hydraulic test is effectively increased by the arrangement of the capacity expansion cavity 301.
Further, the second sealing platen 302 is screwed with the sealing body 303. In this embodiment, a plurality of second threaded holes are uniformly distributed on the circumference of the sealing body 303 with the axis as the center of a circle, the second connecting holes with the same number are correspondingly formed on the positions of the second sealing pressing plates 302 corresponding to the second threaded holes one by one, and the screws penetrate through the second connecting holes and are in threaded connection with the second threaded holes so as to fix the second sealing pressing plates 302 and the sealing body 303, thereby ensuring the tightness of the capacity-expanding cavity 301, and meanwhile, the second sealing pressing plates 302 and the sealing body 303 are detachably connected, and the second sealing pressing plates 302 and the sealing body 303 are also convenient to be directly detached and separated after the test is finished, and further stored or cleaned for subsequent continuous use.
Further, a second sealing ring 305 is disposed on the top of the second sealing platen 302 near the pressure test cavity 201 along the horizontal circumferential direction. In this embodiment, the same as the arrangement of the first sealing ring 104, there is a sealing platform extending into the pressure testing cavity 201 at the top center of the second sealing platen 302, and a sealing groove is formed near the root of the sealing platform, i.e. on the top surface of the second sealing platen 302, for placing the second sealing ring 305, so as to ensure tightness between the second sealing platen 302 and the pressure testing cavity 201, and avoid leakage of high-pressure water from between the sealing portion 3 and the pressure testing cavity 201, thereby affecting the test effect of the hydraulic test.
Further, a third sealing ring 306 is disposed at the top of the sealing body 303 near the expansion cavity 301 along the horizontal circumferential direction. In this embodiment, a third seal ring 306 is disposed between the sealing body 303 and the second sealing platen 302, so as to ensure the tightness of the expansion cavity 301, and prevent high-pressure water in the expansion cavity 301 from leaking between the second sealing platen 302 and the sealing body 303, thereby affecting the test effect of the hydrostatic test.
Specifically, in the above embodiment, the capacity expansion portion 3 is also connected with a relief valve. In this embodiment, in the in-process of actually carrying out the hydrostatic test, various unexpected situations often can appear, for example high pressure water injection equipment pressurizes too high, consequently set up the relief valve and connect on dilatation portion 3, can acquire the inside pressure condition of device in real time, open the relief valve in order to carry out the pressure release to the device inside under the too high condition of pressure, avoid influencing the experimental effect, also can get rid of the inside unnecessary water of partial device simultaneously, the holistic fault-tolerance of device has been promoted in the setting of relief valve.
Specifically, in the above embodiment, the first sealing platen 1, the pressure flange 2, and the capacity expansion portion 3 are screwed in order along the axis. In this embodiment, the pressure-bearing flange 2 is uniformly provided with a plurality of through holes on the circumference taking the axis as the center of a circle, and the first sealing pressing plate 1, the pressure-bearing flange 2 and the capacity-expanding portion 3 are coaxially arranged, so that the positions corresponding to the through holes of the pressure-bearing flange 2 on the first sealing pressing plate 1 are provided with the same number of second connecting holes with the same specification in a one-to-one correspondence manner, the positions corresponding to the through holes of the pressure-bearing flange 2 on the top of the capacity-expanding portion 3 are provided with the same number of second threaded holes in a one-to-one correspondence manner, then the second connecting holes and the through holes are sequentially penetrated in the vertical direction by using studs, finally the studs are in threaded connection with the second threaded holes on the top of the capacity-expanding portion 3, gaskets and nuts are sleeved on the studs exposed from the top of the first sealing pressing plate 1, and the studs are screwed tightly, so that the pressure-bearing flange 2 is stably fixed between the first sealing pressing plate 1 and the capacity-expanding portion 3, the tightness of the pressure-bearing flange 2 is ensured, and at the same time the stud is convenient to disassemble after the test is completed by adopting the threaded connection.
It will be apparent to those skilled in the art that various modifications and variations can be made to the present utility model without departing from the spirit or scope of the utility model. Thus, it is intended that the present utility model also include such modifications and alterations insofar as they come within the scope of the appended claims or the equivalents thereof.
Claims (10)
1. The utility model provides a pressure-bearing flange hydrostatic test device which characterized in that includes:
the first sealing pressing plate (1), the pressure-bearing flange (2) and the expansion part (3) are sequentially and coaxially connected in the vertical direction;
a first through hole (101) is formed in the center of the axis of the first sealing pressing plate (1);
the axial center of the pressure-bearing flange (2) is provided with a pressure-testing cavity (201), one end of the pressure-testing cavity (201) is connected with the first sealing pressing plate (1) in a matched mode, the pressure-testing cavity (201) is communicated with the first through hole (101), and the other end of the pressure-testing cavity (201) is connected with the expansion part (3) in a matched mode;
a capacity expansion cavity (301) is formed in the capacity expansion part (3), a through hole (304) is formed in the center of the top of the capacity expansion part (3), and the capacity expansion cavity (301) is communicated with the pressure test cavity (201) through the through hole (304); the top of the expansion part (3) is also provided with a second through hole (307).
2. The pressure-bearing flange hydrostatic test device according to claim 1, wherein the volume of the expansion cavity (301) is larger than the volume of the pressure test cavity (201), and the diameter of the through hole (304) is smaller than the diameter of the pressure test cavity (201).
3. The pressure-bearing flange hydrostatic test device according to claim 1, wherein the first sealing pressing plate (1) comprises a horizontal pressing plate (102) and a sealing section (103), the sealing section (103) is coaxially arranged on one side, close to the pressure-bearing flange (2), of the horizontal pressing plate (102), and the sealing section (103) stretches into the pressure test cavity (201) and is connected with the pressure test cavity (201) in a matched mode.
4. A pressure flange hydrostatic test unit according to claim 3, characterized in that the side wall of the sealing section (103) is provided with a first sealing ring (104) in the horizontal circumferential direction.
5. The pressure flange hydrostatic test device according to claim 1, wherein the expansion portion (3) comprises a second sealing platen (302) and a sealing body (303) connected;
the second sealing pressing plate (302) is arranged at the top of the sealing body (303), the expansion cavity (301) is formed between the second sealing pressing plate (302) and the sealing body (303), the through hole (304) is formed in the center of the axis of the second sealing pressing plate (302), and the top of the second sealing pressing plate (302) is connected with the expansion cavity (301) in a matched mode.
6. The pressure flange hydrostatic test unit according to claim 5, wherein the second sealing platen (302) is screwed with the sealing body (303).
7. The pressure-bearing flange hydrostatic test device according to claim 5, wherein a second sealing ring (305) is arranged on the top of the second sealing pressing plate (302) near the pressure test cavity (201) along the horizontal circumferential direction.
8. The pressure-bearing flange hydrostatic test device according to claim 5, wherein a third sealing ring (306) is arranged at the top of the sealing body (303) close to the expansion cavity (301) along the horizontal circumferential direction.
9. The pressure flange hydrostatic test device according to claim 1, characterized in that the expansion part (3) is further connected with a pressure relief valve.
10. The pressure flange hydrostatic test device according to claim 1, characterized in that the first sealing pressure plate (1), the pressure flange (2) and the expansion part (3) are screwed in sequence along an axis.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320711183.2U CN219737110U (en) | 2023-04-03 | 2023-04-03 | Pressure-bearing flange hydrostatic test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320711183.2U CN219737110U (en) | 2023-04-03 | 2023-04-03 | Pressure-bearing flange hydrostatic test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219737110U true CN219737110U (en) | 2023-09-22 |
Family
ID=88032735
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320711183.2U Active CN219737110U (en) | 2023-04-03 | 2023-04-03 | Pressure-bearing flange hydrostatic test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219737110U (en) |
-
2023
- 2023-04-03 CN CN202320711183.2U patent/CN219737110U/en active Active
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