CN220251344U - Valve strength and tightness test device - Google Patents
Valve strength and tightness test device Download PDFInfo
- Publication number
- CN220251344U CN220251344U CN202321770214.8U CN202321770214U CN220251344U CN 220251344 U CN220251344 U CN 220251344U CN 202321770214 U CN202321770214 U CN 202321770214U CN 220251344 U CN220251344 U CN 220251344U
- Authority
- CN
- China
- Prior art keywords
- valve
- connecting pipe
- gate valve
- pressurizing
- ports
- Prior art date
- 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.)
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Links
- 238000012360 testing method Methods 0.000 title claims abstract description 20
- 238000009434 installation Methods 0.000 abstract description 5
- 238000010276 construction Methods 0.000 abstract description 3
- 238000005516 engineering process Methods 0.000 abstract 1
- 238000007789 sealing Methods 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000002706 hydrostatic effect Effects 0.000 description 1
- 238000011900 installation process Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
Abstract
Valve intensity and tightness test device belongs to pipeline valve installation technology field. The device comprises a connecting pipe, a bracket and a connecting port, wherein the connecting pipe is horizontally arranged at the top of the bracket, the front section of the connecting pipe is connected with a pressurizing pipeline, and the pressurizing pipeline is sequentially connected with a pressure gauge, a pressurizing gate valve and a pressurizing pump; the middle section of the connecting pipe is connected with an exhaust pipeline, and an exhaust gate valve is arranged on the exhaust pipeline; the connecting ports comprise threaded connecting ports and flange connecting ports, all the connecting ports are connected with a connecting pipe through connecting pipelines, threaded gate valve connecting ports are respectively arranged at the front end and the rear section of the connecting pipe, and the tail end of the connecting pipe is respectively connected with the two flange connecting ports through a three-way pipe. The device simple structure, flexible and convenient to use, extensive applicability can accurately accomplish the casing intensity and the leakproofness test of a plurality of valves simultaneously, improves valve test efficiency, practices thrift manpower and construction cost.
Description
Technical Field
The utility model belongs to the technical field of pipeline valve installation processes, and particularly relates to a valve strength and tightness test device.
Background
The valve is to be inspected before installation according to construction standard requirements to ensure that the valve strength meets the standard and the sealing performance is good, so that leakage caused by the fact that the valve strength and the sealing performance do not meet the standard is avoided, and loss is caused. At present, the valve test is carried out manually one by a hydrostatic test method, but a large number of pipe fittings need to be used in one project, multiple purchase and approach are needed, and the manual one by one test method is low in efficiency, large in influence of human factors and difficult to accurately control the valve strength and the accuracy of the tightness test.
Disclosure of Invention
In order to solve the problems of manually checking the strength and the tightness of the valve, the utility model provides a valve strength and tightness test device.
The valve strength and tightness test device is characterized by comprising a connecting pipe, a bracket and a connecting port, wherein the connecting pipe is horizontally arranged at the top of the bracket, the front section of the connecting pipe is connected with a pressurizing pipeline, and the pressurizing pipeline is sequentially connected with a pressure gauge, a pressurizing gate valve and a pressurizing pump; the middle section of the connecting pipe is connected with an exhaust pipeline, and an exhaust gate valve is arranged on the exhaust pipeline; the connecting ports comprise threaded connecting ports and flange connecting ports, all the connecting ports are connected with a connecting pipe through connecting pipelines, threaded gate valve connecting ports are respectively arranged at the front end and the rear section of the connecting pipe, and the tail end of the connecting pipe is respectively connected with the two flange connecting ports through a three-way pipe.
Further, the pressurized gate valve and the exhaust gate valve are both DN20 gate valves.
Further, the two threaded connection openings are respectively matched with the DN40 gate valve and the DN32 gate valve in size.
Further, the two flange connection ports are respectively matched with the DN70 butterfly valve and the DN80 butterfly valve in size.
When the valve is used, according to the field condition, the valve to be inspected is installed at the corresponding connection port, after the installation is completed, the connecting pipe is filled with water, the connecting pipe is pressurized by the pressurizing pump, the nominal pressure of the pressure gauge is checked, the pressure is increased to 1.5 times of the nominal pressure and observed for five minutes, if no pressure change exists, the strength of the valve shell meets the requirement, the pressure is reduced to 1.1 times of the nominal pressure, the observation time length is long according to the requirement of the pressure maintaining standard, and if no pressure change exists, the valve does not have leakage phenomenon, and the valve meets the requirement.
The utility model has the beneficial effects that: the valve has the advantages of simple structure, flexible and convenient use, wide applicability, capability of simultaneously and accurately completing the shell strength and tightness test of a plurality of valves, improvement of the test efficiency of the valves, and saving of manpower and construction cost.
Drawings
Fig. 1 is a top view of a valve strength and tightness test apparatus.
Fig. 2 is a top view of the valve strength and tightness test device gate valve installation.
Fig. 3 is a side view of the valve strength and tightness testing device gate valve installation.
The device comprises a 1-connecting pipe, a 2-pressurizing gate valve, a 3-pressure gauge, a 4-pressurizing pump, a 5-exhaust gate valve, a 6-DN40 gate valve, a 7-DN32 gate valve, an 8-DN80 butterfly valve, a 9-DN70 butterfly valve and a 10-bracket.
Detailed Description
Example 1: the valve strength and tightness test device comprises a connecting pipe 1, a support 10 and a connecting port, wherein the connecting pipe 1 is horizontally arranged at the top of the support 10, and the support 10 is manufactured by welding angle steel. The front section of the connecting pipe 1 is connected with a pressurizing pipeline, the pressurizing pipeline is sequentially connected with a pressure gauge 3, a pressurizing gate valve 2 and a pressurizing pump 4, and the pressurizing gate valve 2 is a DN20 gate valve. The middle section of the connecting pipe is connected with an exhaust pipeline, an exhaust gate valve 5 is arranged on the exhaust pipeline, and a DN20 gate valve is used for the exhaust gate valve 5; the connecting ports comprise threaded connecting ports and flange connecting ports, all the connecting ports are connected with the connecting pipe 1 through connecting pipelines, the front end of the connecting pipe 1 is provided with a threaded gate valve connecting port and is connected with a DN40 gate valve, the rear end of the connecting pipe 1 is provided with a threaded gate valve connecting port and is connected with a DN32 gate valve, the tail end of the connecting pipe 1 is respectively connected with two flange connecting ports through a three-way pipe, and the two flange connecting ports are respectively connected with a DN80 butterfly valve 8 and a DN70 butterfly valve 9.
When the valve is used, water is filled in the connecting pipe 1, the connecting pipe 1 is pressurized by the pressure pump 4, the nominal pressure of the pressure gauge 3 is checked, the pressure pump 4 is started to raise the pressure to 1.5 times of the nominal pressure and observe for five minutes, if no pressure change exists, the strength of the valve shell meets the requirement, the pressure is lowered to 1.1 times of the nominal pressure, the observation is carried out for 15-120 seconds, and if no pressure change exists, the valve leaks within the specified allowable leakage amount, and the valve meets the requirement.
Claims (4)
1. The valve strength and tightness test device is characterized by comprising a connecting pipe, a bracket and a connecting port, wherein the connecting pipe is horizontally arranged at the top of the bracket, the front section of the connecting pipe is connected with a pressurizing pipeline, and the pressurizing pipeline is sequentially connected with a pressure gauge, a pressurizing gate valve and a pressurizing pump; the middle section of the connecting pipe is connected with an exhaust pipeline, and an exhaust gate valve is arranged on the exhaust pipeline; the connecting ports comprise threaded connecting ports and flange connecting ports, all the connecting ports are connected with a connecting pipe through connecting pipelines, threaded gate valve connecting ports are respectively arranged at the front end and the rear section of the connecting pipe, and the tail end of the connecting pipe is respectively connected with the two flange connecting ports through a three-way pipe.
2. The valve strength and tightness test device according to claim 1, wherein said pressurized gate valve and said exhaust gate valve are each DN20 gate valves.
3. The valve strength and tightness test device of claim 1 wherein said two threaded connection port sizes match DN40 gate valve and DN32 gate valve sizes, respectively.
4. The valve strength and tightness test apparatus of claim 1 wherein said two flange connection port sizes match DN70 butterfly valve and DN80 butterfly valve sizes, respectively.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321770214.8U CN220251344U (en) | 2023-07-07 | 2023-07-07 | Valve strength and tightness test device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321770214.8U CN220251344U (en) | 2023-07-07 | 2023-07-07 | Valve strength and tightness test device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220251344U true CN220251344U (en) | 2023-12-26 |
Family
ID=89231038
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321770214.8U Active CN220251344U (en) | 2023-07-07 | 2023-07-07 | Valve strength and tightness test device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220251344U (en) |
-
2023
- 2023-07-07 CN CN202321770214.8U patent/CN220251344U/en active Active
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