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CN211525751U - Pressure testing device for pipeline system - Google Patents

Pressure testing device for pipeline system Download PDF

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Publication number
CN211525751U
CN211525751U CN201922373459.7U CN201922373459U CN211525751U CN 211525751 U CN211525751 U CN 211525751U CN 201922373459 U CN201922373459 U CN 201922373459U CN 211525751 U CN211525751 U CN 211525751U
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CN
China
Prior art keywords
air bag
pipe
connector
pressure testing
plugging air
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
CN201922373459.7U
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Chinese (zh)
Inventor
陈菲
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Sichuan Lugong Engineering Co ltd
Original Assignee
Sichuan Lugong Engineering Co ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
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Priority to CN201922373459.7U priority Critical patent/CN211525751U/en
Application granted granted Critical
Publication of CN211525751U publication Critical patent/CN211525751U/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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Abstract

The utility model belongs to the technical field of the technique of pipeline pressure testing and specifically relates to a pipe-line system pressure testing device is related to. The pipeline system pressure test device comprises a water inlet pipe, a water outlet pipe, a first connector, a second connector, a first plugging air bag, a second plugging air bag, a first inflating pump and a second inflating pump, wherein the first connector is in threaded connection with the water inlet pipe and is communicated with the water inlet pipe; the second connector is in threaded connection with the water outlet pipe and is communicated with the water outlet pipe, the second plugging air bag is annular and is sleeved on the outer edge of the second connector, and the second inflating pump is used for inflating the second plugging air bag. The utility model discloses has following effect: successfully solves the problem that when the pressure test pipes with different pipe diameters are required to be tested, the pressure test pipes and the pipe joints need to be replaced simultaneously, and the operation of operators is inconvenient.

Description

Pressure testing device for pipeline system
Technical Field
The utility model belongs to the technical field of the technique of pipeline pressure testing and specifically relates to a pipe-line system pressure testing device is related to.
Background
At present, after the pipeline is installed, a pressure test is carried out on a pipeline system according to design requirements. The test objects include a strength test for checking the mechanical properties of the pipe, a tightness test for checking the connection quality of the pipe, a vacuum test for checking the vacuum retention of the pipe system, and a leakage test based on fire safety considerations. Except for a vacuum pipe system and a pipeline system with fire protection requirements, most pipelines are only subjected to a strength test and a tightness test, and the strength test and the tightness test of the pipelines are generally performed by adopting a hydraulic pressure test.
The existing pipeline system pressure test device generally comprises a pressure test pump, a water suction pump, a water inlet pump, a pressure gauge, a water inlet pipe and a water outlet pipe, wherein one end of the water inlet pipe is communicated with the pressure test pump, the other end of the water inlet pipe is connected with one end of the pressure test pipe through a pipe connector, the pressure gauge is arranged on the water inlet pipe, one end of the water outlet pipe is connected with the other end of the pressure test pipe through a pipe connector, and the other end of the water outlet pipe is communicated with the water suction pump. During testing, the two ends of the pressure testing pipe are respectively in threaded connection with the water inlet pipe and the water outlet pipe through the pipe connectors, then the water pump is used for injecting water into the pressure testing pipe, air in the pressure testing pipe is exhausted, water tightness inspection can be carried out after the pressure testing pipe is filled with water, and when the water tightness is only inspected, the water is pumped out through the water pump after the inspection is finished; when pressure testing is needed, after the pressure testing pipe is filled with water, the pressure in the pressure testing pipe is increased to a testing value through the pressure testing pump, the data are observed after a period of time, a conclusion is obtained, and the test is finished.
The above prior art solutions have the following drawbacks: the both ends of pressure testing pipe all through the pipe connector respectively with inlet tube and outlet pipe threaded connection during the test, the pressure testing pipe that needs the test has multiple pipe diameter, so also need use not pipe connector and inlet tube and outlet pipe threaded connection of equidimension when the test, when the pressure testing pipe that needs different pipe diameters is tested, need to change pressure testing pipe and pipe connector simultaneously, and the operation personnel operate inconveniently.
Disclosure of Invention
Not enough to prior art exists, the utility model aims at providing a pipe-line system pressure testing device, the technical problem that solve is: how to solve when the pressure testing pipe of different pipe diameters is tested to needs, need to change pressure testing pipe and pipe connector simultaneously, the inconvenient problem of operation personnel operation.
The above utility model discloses an above-mentioned utility model purpose can realize through following technical scheme:
the utility model discloses a pipeline system pressure testing device, including pressure testing pump, suction pump, intake pump, manometer, inlet tube, outlet pipe, first connector, second connector, first shutoff gasbag, second shutoff gasbag, first inflating pump and second inflating pump, the pressure testing pump is connected with the one end of pressure testing pipe through the inlet tube, the manometer sets up on the inlet tube, suction pump and intake pump all are connected with the other end of pressure testing pipe through the outlet pipe, first connector with inlet tube threaded connection, and with the inlet tube intercommunication, first shutoff gasbag is cyclic annular, and the cover is established the outer edge of first connector, first inflating pump is used for inflating first shutoff gasbag; the first connecting head is used for being inserted into one end of the pressure test tube, and the first plugging air bag is used for inflating and expanding when the first connecting head is inserted into the pressure test tube so as to ensure that the first connecting head and the pressure test tube are kept relatively fixed; the second connector is in threaded connection with the water outlet pipe and is communicated with the water outlet pipe, the second plugging air bag is annular and is sleeved on the outer edge of the second connector, and the second inflating pump is used for inflating the second plugging air bag; the second connector is used for inserting the other end of pressure test pipe, second shutoff gasbag is used for inserting at the outlet pipe aerify the inflation during pressure test pipe to make the second connector with pressure test pipe keeps relatively fixed.
Through adopting above-mentioned technical scheme, when needs are tested the pressure testing pipe of different pipe diameters, only need with the pressure testing pipe both ends of another pipe diameter be connected with first connector and second connector respectively, then make first shutoff gasbag and second shutoff gasbag expand with pressure testing pipe diameter assorted volume through first inflation pump and second inflation pump can, need not to change the pipe connector, when successfully having solved the pressure testing pipe of different pipe diameters and testing, need to change pressure testing pipe and pipe connector simultaneously, the inconvenient problem of operation personnel operation.
The present invention may be further configured in a preferred embodiment as: a first limiting piece is sleeved at the end part of the first connecting head in a threaded manner and used for limiting the first plugging air bag so as to prevent the first plugging air bag from falling off the first connecting head; and/or; the tip thread bush of second connector is equipped with the second locating part, the second locating part is used for right the second shutoff gasbag carries on spacingly to prevent that second shutoff gasbag from deviating from the second connector.
By adopting the technical scheme, the first plugging air bag is not easy to fall off the first connecting head, and the connection between the first plugging air bag and the first connecting head is more stable; and/or the second plugging air bag is not easy to drop off the second connector, and the connection between the second plugging air bag and the second connector is more stable.
The present invention may be further configured in a preferred embodiment as: the first fixing ring is in threaded connection with the first connector, and a first annular groove for accommodating a first plugging air bag is formed in the first fixing ring; and/or; the second fixing ring is in threaded connection with the second connecting head, and a second annular groove used for accommodating a second plugging air bag is formed in the second fixing ring.
By adopting the technical scheme, the first annular groove enables the connection between the first plugging air bag and the first connecting head to be more stable, and/or; the second annular groove enables the second plugging air bag to be connected with the second connector more stably.
The present invention may be further configured in a preferred embodiment as: a first elastic abutting joint piece used for blocking the notch is arranged at the notch of the first annular groove, the first elastic abutting joint piece is provided with a first abutting joint part, and the first abutting joint part is used for abutting against the inner wall of the pressure test tube when the first blocking air bag is inflated and expanded; and/or; and a second elastic abutting part used for blocking the notch is arranged at the notch of the second annular groove, the second elastic abutting part is provided with a second abutting part, and the second abutting part is used for abutting against the inner wall of the pressure test tube when the second blocking air bag is inflated and expanded.
By adopting the technical scheme, the first elastic abutting piece reduces the contact between the first plugging air bag and the inner pipe wall of the pressure test pipe, so that the first plugging air bag is not easy to damage, and the service life of the first plugging air bag is prolonged; and/or; the second elastic abutting part reduces the contact of the second plugging air bag and the inner pipe wall of the pressure test pipe, so that the second plugging air bag is not easy to damage, and the service life of the second plugging air bag is prolonged.
The present invention may be further configured in a preferred embodiment as: the first elastic abutting part and/or the second elastic abutting part are/is made of rubber.
Through adopting above-mentioned technical scheme, rubber is common elastic article that has, and the technology is mature, and it is comparatively convenient to use and purchase.
The present invention may be further configured in a preferred embodiment as: the outer wall of the first elastic abutting part and/or the outer wall of the second elastic abutting part are/is provided with annular bulges, and the annular bulges are made of rubber materials.
By adopting the technical scheme, the annular bulge increases the connection tightness of the first elastic abutting part and/or the second elastic abutting part and the pressure test pipe.
The present invention may be further configured in a preferred embodiment as: the first plugging air bag and/or the second plugging air bag are rubber air bags.
By adopting the technical scheme, the rubber air bag is prepared by vulcanizing synthetic rubber, natural rubber and a fiber reinforced layer. Has good expansion resistance, elasticity and flexibility.
The present invention may be further configured in a preferred embodiment as: still include first connecting pipe, second connecting pipe and three way connection, first connecting pipe, second connecting pipe pass through the three way connection intercommunication with the outlet pipe, first connecting pipe deviates from three way connection's one end and intake pump intercommunication, the second connecting pipe deviates from three way connection's one end and suction pump intercommunication.
Through adopting above-mentioned technical scheme, intake pump and suction pump are comparatively convenient with being connected of outlet pipe.
To sum up, the utility model discloses a following at least one useful technological effect:
1. the problem that when pressure test pipes with different pipe diameters need to be tested, the pressure test pipes and the pipe connectors need to be replaced simultaneously, and operation of operators is inconvenient is successfully solved;
2. the connection between the first plugging air bag and the first connecting head is more stable;
3. the connection between the second plugging air bag and the second connector is more stable;
4. the service life of the first blocking air bag and the second blocking air bag is prolonged;
5. the annular bulge increases the connection tightness of the first elastic abutting part and/or the second elastic abutting part and the pressure test pipe.
Drawings
Fig. 1 is a schematic structural diagram of a pressure testing pipe of a pressure testing device for a pipeline system according to an embodiment of the present invention during installation;
FIG. 2 is a schematic structural view of the pressure testing device of the pipe system of FIG. 1 with the pressure testing tube not installed;
fig. 3 is a partial exploded view of the pressure testing device of the pipe system of fig. 2.
In the figure, 1, a pressure test pump; 2. a water pump; 3. a water inlet pump; 4. a pressure gauge; 5. a water inlet pipe; 6. a water outlet pipe; 7. a first connector; 8. a second connector; 9. a first occlusion balloon; 10. a second occlusion balloon; 11. a first inflator pump; 12. a second inflation pump; 13. a first limit piece; 14. a second limiting member; 15. a first retaining ring; 16. a second retaining ring; 17. a first annular groove; 18. a second annular groove; 19. a first elastic abutting member; 20. a first abutting portion; 21. a second elastic abutting member; 22. a second abutting portion; 23. an annular projection; 24. a first connecting pipe; 25. a second connecting pipe; 26. a three-way joint; 27. and (6) testing the tube.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in any one of fig. 1 to fig. 3, for the utility model discloses a pipeline system pressure testing device, including pressure testing pump 1, suction pump 2, intake pump 3, manometer 4, inlet tube 5 and outlet pipe 6, pressure testing pump 1 is connected with the one end of pressure testing pipe 27 through inlet tube 5, and manometer 4 sets up on inlet tube 5, and suction pump 2 and intake pump 3 all are connected with the other end of pressure testing pipe 27 through outlet pipe 6.
Meanwhile, as shown in fig. 2 and 3, the pressure testing device for the pipeline system further comprises a first connecting head 7, a first plugging air bag 9 and a first inflating pump 11, wherein the first plugging air bag 9 can be a rubber air bag, a water inlet pipe 5 is usually provided with threads, the first connecting head 7 is in threaded connection with the water inlet pipe 5 and is communicated with the water inlet pipe 5, the first plugging air bag 9 is annular and is sleeved on the outer edge of the first connecting head 7, and the first inflating pump 11 is used for inflating the first plugging air bag 9; the first connector 7 is used for inserting one end of the pressure test tube 27, and the first plugging air bag 9 is used for inflating when the first connector 7 is inserted into the pressure test tube 27 so as to keep the first connector 7 and the pressure test tube 27 relatively fixed. Preferably, the end of the first connector 7 may be threadedly sleeved with a first limiting member 13, the first limiting member 13 may be annular, and the first limiting member 13 is used to limit the first blocking airbag 9, so as to prevent the first blocking airbag 9 from coming off the first connector 7. Because the first limiting member 13 is disposed at the end of the first connector 7, the first blocking airbag 9 is blocked by the first limiting member 13 when coming off the first connector 7, so that the first limiting member 13 can limit the first connector 7.
In order to make the connection between the first blocking airbag 9 and the first connection head 7 more stable, as shown in fig. 2 and 3, the pipeline system pressure testing device further includes a first fixing ring 15, the first fixing ring 15 is in threaded connection with the first connection head 7, and a first annular groove 17 for accommodating the first blocking airbag 9 is formed in the first fixing ring 15. Preferably, a first elastic abutting piece 19 for blocking the notch is arranged at the notch of the first annular groove 17, the first elastic abutting piece 19 may be made of rubber, the first elastic abutting piece 19 may be connected to the notch of the first annular groove 17 in an adhesion manner, the first elastic abutting piece 19 has a first abutting portion 20, and the first abutting portion 20 is used for abutting against the inner wall of the pressure test tube 27 when the first blocking airbag 9 is inflated and expanded. The outer wall of the first elastic abutting part 19 can be provided with an annular bulge 23, the connection mode of the annular bulge 23 and the first elastic abutting part 19 can be bonding or integrated molding, the material of the annular bulge 23 can be rubber, and the annular bulge 23 increases the tightness of the connection of the first elastic abutting part 19 and the pressure test pipe 27.
In addition, as shown in fig. 2 and fig. 3, the pressure testing device for the pipeline system further includes a second connector 8, a second plugging air bag 10 and a second inflating pump 12, the second plugging air bag 10 may be a rubber air bag, the second connector 8 is in threaded connection with the water outlet pipe 6 and is communicated with the water outlet pipe 6, the second plugging air bag 10 is annular and is sleeved on the outer edge of the second connector 8, and the second inflating pump 12 is used for inflating the second plugging air bag 10; the second connector 8 is used for being inserted into the other end of the pressure test tube 27, and the second plugging air bag 10 is used for being inflated and expanded when the water outlet pipe 6 is inserted into the pressure test tube 27, so that the second connector 8 and the pressure test tube 27 are kept relatively fixed. Preferably, the end of the second connector 8 is threadedly sleeved with a second limiting member 14, the second limiting member 14 may be annular, and the second limiting member 14 is used to limit the second plugging air bag 10, so as to prevent the second plugging air bag 10 from coming off the second connector 8. Since the second limiting member 14 is disposed at the end of the second connector 8, when the second plugging air bag 10 is separated from the second connector 8, it will be blocked by the second limiting member 14, so that the second limiting member 14 can limit the second connector 8.
In order to make the connection between the second plugging air bag 10 and the second connector 8 more stable, as shown in fig. 2 and fig. 3, the pipeline system pressure testing device further includes a second fixing ring 16, the second fixing ring 16 is in threaded connection with the second connector 8, a second annular groove 18 for accommodating the second plugging air bag 10 is formed in the second fixing ring 16, and the second annular groove 18 makes the connection between the second plugging air bag 10 and the second connector 8 more stable. Preferably, the notch of the second annular groove 18 is provided with a second elastic abutting part 21 for blocking the notch, the second elastic abutting part 21 may be made of rubber, the second elastic abutting part 21 has a second abutting part 22, the second abutting part 22 is used for abutting against the inner wall of the pressure test tube 27 when the second blocking airbag 10 is inflated and expanded, and the second elastic abutting part 21 reduces the contact between the second blocking airbag 10 and the inner wall of the pressure test tube 27, so that the second blocking airbag 10 is not easily damaged, and the service life of the second blocking airbag 10 is prolonged. In addition, the outer wall of the second elastic abutting member 21 may be provided with an annular protrusion 23, the annular protrusion 23 and the second elastic abutting member 21 may be connected by bonding or integrally molding, and the annular protrusion 23 is made of rubber.
Finally, regarding the concrete arrangement that the water suction pump 2 and the water inlet pump 3 are both connected with the other end of the pressure test pipe 27 through the water outlet pipe 6, as shown in any one of fig. 1 to 3, the pipeline system pressure test device may further include a first connecting pipe 24, a second connecting pipe 25 and a three-way joint 26, the first connecting pipe 24, the second connecting pipe 25 are communicated with the water outlet pipe 6 through the three-way joint 26, one end of the first connecting pipe 24 departing from the three-way joint 26 is communicated with the water inlet pump 3, and one end of the second connecting pipe 25 departing from the three-way joint 26 is communicated with the water suction pump 2, so that the connection of the water inlet pump 3 and the water suction pump 2 with the water outlet.
The implementation principle of the embodiment is as follows: when the pressure test tubes 27 with different tube diameters need to be tested, only the two ends of the pressure test tube 27 with the other tube diameter need to be connected with the first connector 7 and the second connector 8 respectively, then the first sealing air bag 9 and the second sealing air bag 10 are expanded to the volume matched with the tube diameter of the pressure test tube 27 through the first inflating pump 11 and the second inflating pump 12, at this time, the first abutting part 20 of the first elastic abutting part 19 abuts against the inner wall of one end tube of the pressure test tube 27, and the second abutting part 22 of the second elastic abutting part 21 abuts against the inner wall of the other end tube of the pressure test tube 27, so that the first sealing air bag 9 and the second sealing air bag 10 do not need to be in direct contact with the inner wall of the pressure test tube 27, the first sealing air bag 9 and the second sealing air bag 10 are not easy to damage, the service life is long, and meanwhile, the tube joint does not need to be replaced successfully in the process, thereby solving the problem that when the pressure test tubes 27 with different tube diameters need to be, the pressure test tube 27 and the tube joint need to be replaced simultaneously, and the operation of operators is inconvenient. .
The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims (8)

1. The utility model provides a pipe-line system pressure testing device, includes pressure testing pump (1), suction pump (2), intake pump (3), manometer (4), inlet tube (5) and outlet pipe (6), pressure testing pump (1) is connected with the one end of pressure testing pipe (27) through inlet tube (5), manometer (4) set up on inlet tube (5), and suction pump (2) and intake pump (3) all are connected its characterized in that through outlet pipe (6) and the other end of pressure testing pipe (27): the air inflation device is characterized by further comprising a first connecting head (7), a second connecting head (8), a first plugging air bag (9), a second plugging air bag (10), a first inflation pump (11) and a second inflation pump (12), wherein the first connecting head (7) is in threaded connection with the water inlet pipe (5) and is communicated with the water inlet pipe (5), the first plugging air bag (9) is annular and is sleeved on the outer edge of the first connecting head (7), and the first inflation pump (11) is used for inflating the first plugging air bag (9);
the first connecting head (7) is used for being inserted into one end of the pressure test tube (27), and the first plugging air bag (9) is used for inflating and expanding when the first connecting head (7) is inserted into the pressure test tube (27) so as to enable the first connecting head (7) and the pressure test tube (27) to be kept relatively fixed;
the second connector (8) is in threaded connection with the water outlet pipe (6) and is communicated with the water outlet pipe (6), the second plugging air bag (10) is annular and is sleeved on the outer edge of the second connector (8), and the second air pump (12) is used for inflating the second plugging air bag (10);
the second connector (8) is used for inserting the other end of the pressure test tube (27), and the second plugging air bag (10) is used for inflating and expanding when the water outlet pipe (6) is inserted into the pressure test tube (27), so that the second connector (8) and the pressure test tube (27) are kept relatively fixed.
2. The pipeline system pressure testing device according to claim 1, characterized in that: a first limiting piece (13) is sleeved at the end part of the first connecting head (7) in a threaded manner, and the first limiting piece (13) is used for limiting the first plugging air bag (9) so as to prevent the first plugging air bag (9) from falling off the first connecting head (7);
and/or;
the end part threaded sleeve of the second connector (8) is provided with a second limiting part (14), and the second limiting part (14) is used for limiting the second plugging air bag (10) so as to prevent the second plugging air bag (10) from deviating from the second connector (8).
3. The pipeline system pressure testing device according to claim 2, characterized in that: the sealing device further comprises a first fixing ring (15) and a second fixing ring (16), wherein the first fixing ring (15) is in threaded connection with the first connecting head (7), and a first annular groove (17) used for containing a first blocking air bag (9) is formed in the first fixing ring (15);
and/or;
the second fixing ring (16) is in threaded connection with the second connector (8), and a second annular groove (18) used for accommodating a second plugging air bag (10) is formed in the second fixing ring (16).
4. The pipeline system pressure testing device according to claim 3, characterized in that: a first elastic abutting part (19) for blocking the notch is arranged at the notch of the first annular groove (17), the first elastic abutting part (19) is provided with a first abutting part (20), and the first abutting part (20) is used for abutting against the inner wall of the pressure test tube (27) when the first blocking air bag (9) is inflated and expanded;
and/or;
a second elastic abutting part (21) used for blocking the notch is arranged at the notch of the second annular groove (18), the second elastic abutting part (21) is provided with a second abutting part (22), and the second abutting part (22) is used for abutting against the inner wall of the pressure test tube (27) when the second blocking air bag (10) is inflated and expanded.
5. The pipeline system pressure testing device according to claim 4, wherein: the first elastic abutting part (19) and/or the second elastic abutting part (21) are made of rubber.
6. The pipeline system pressure testing device according to claim 5, wherein: the outer walls of the first elastic abutting part (19) and/or the second elastic abutting part (21) are provided with annular bulges (23), and the annular bulges (23) are made of rubber.
7. The pipeline system pressure testing device according to claim 6, wherein: the first plugging air bag (9) and/or the second plugging air bag (10) are rubber air bags.
8. The pipe system pressure testing device according to any one of claims 1 to 7, wherein: still include first connecting pipe (24), second connecting pipe (25) and three way connection (26), first connecting pipe (24), second connecting pipe (25) communicate through three way connection (26) with outlet pipe (6), first connecting pipe (24) deviate from the one end and the intake pump (3) intercommunication of three way connection (26), second connecting pipe (25) deviate from the one end and the suction pump (2) intercommunication of three way connection (26).
CN201922373459.7U 2019-12-25 2019-12-25 Pressure testing device for pipeline system Expired - Fee Related CN211525751U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201922373459.7U CN211525751U (en) 2019-12-25 2019-12-25 Pressure testing device for pipeline system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201922373459.7U CN211525751U (en) 2019-12-25 2019-12-25 Pressure testing device for pipeline system

Publications (1)

Publication Number Publication Date
CN211525751U true CN211525751U (en) 2020-09-18

Family

ID=72447077

Family Applications (1)

Application Number Title Priority Date Filing Date
CN201922373459.7U Expired - Fee Related CN211525751U (en) 2019-12-25 2019-12-25 Pressure testing device for pipeline system

Country Status (1)

Country Link
CN (1) CN211525751U (en)

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CF01 Termination of patent right due to non-payment of annual fee

Granted publication date: 20200918

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CF01 Termination of patent right due to non-payment of annual fee