CN210603734U - Special test joint is suppressed to gate valve lumen - Google Patents
Special test joint is suppressed to gate valve lumen Download PDFInfo
- Publication number
- CN210603734U CN210603734U CN201921583296.9U CN201921583296U CN210603734U CN 210603734 U CN210603734 U CN 210603734U CN 201921583296 U CN201921583296 U CN 201921583296U CN 210603734 U CN210603734 U CN 210603734U
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- gate valve
- connecting pipe
- suppressed
- special test
- sealing ring
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- Monitoring And Testing Of Nuclear Reactors (AREA)
Abstract
The utility model belongs to the technical field of experimental professional equipment, concretely relates to special test joint is suppressed to gate valve lumen. The sealing ring sealing device comprises a connecting pipe, wherein a sealing ring groove is formed in the upper part of the outer side of the connecting pipe, and a pressurizing port A is formed in the connecting pipe; the upper part of the sealing ring groove is connected with a boss; the upper part of the boss is connected with a hexagonal nut. The lower part of the outer side of the connecting pipe is an external thread connected with the gate valve root blowing hole. The interior of the connecting pipe is provided with a pressurizing opening A with a round hole. The hexagonal nut is internally provided with a pipe thread type with a round hole and is used for connecting an external pressurizing air source. The utility model discloses the lumen that can realize the gate valve is suppressed.
Description
Technical Field
The utility model belongs to the technical field of experimental professional equipment, concretely relates to special test joint is suppressed to gate valve lumen.
Background
When a nuclear power station executes a gate valve sealing test, a valve root purge hole can be used as a valve sealing test pressurization port, test pressure is introduced to a valve middle cavity through the port, the sealing space of the valve middle cavity is utilized for pressurization, the sealing performance of a sealing surface of a gate plate is verified, but a special test joint matched with the port needs to be processed.
Disclosure of Invention
An object of the utility model is to provide a special test joint is suppressed to gate valve lumen can make outside suppress the air supply and pass through the effective leading-in gate lumen of gate valve root purge hole, realizes that the lumen of gate valve suppresses.
In order to achieve the above purpose, the utility model adopts the technical proposal that:
a special test joint for gate valve middle cavity pressurization comprises a connecting pipe, wherein a sealing ring groove is formed in the upper part of the outer side of the connecting pipe, and a pressurization port A is formed in the connecting pipe; the upper part of the sealing ring groove is connected with a boss; the upper part of the boss is connected with a hexagonal nut.
The lower part of the outer side of the connecting pipe is an external thread connected with the gate valve root blowing hole.
The interior of the connecting pipe is provided with a pressurizing opening A with a round hole.
The hexagonal nut is internally provided with a pipe thread type with a round hole and is used for connecting an external pressurizing air source.
The utility model discloses the beneficial effect who gains does:
the utility model discloses the lumen that can realize the gate valve is suppressed to use at Fuqing nuclear power scene, satisfy the demand.
Drawings
FIG. 1 is a front view of a special test connector for pressing a middle cavity of a gate valve according to the present invention;
FIG. 2 is a top view of the special test connector for pressing the middle cavity of the gate valve according to the present invention;
FIG. 3 is a three-dimensional schematic view of a special test joint for gate valve middle cavity pressurization according to the present invention;
in the figure: 1-connecting pipe, 2-sealing ring groove, 3-boss, 4-hexagon nut, 5-pressurizing port A and 6-pressurizing port B.
Detailed Description
The present invention will be described in detail below with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1-3, the utility model relates to a special test joint for gate valve middle cavity pressurization, which comprises a connecting pipe 1, wherein the lower part of the outer side of the connecting pipe 1 is an external thread connected with a gate valve root blowing hole, the upper part of the outer side of the connecting pipe 1 is a sealing ring groove 2 for assembling a sealing ring, and the inside of the connecting pipe 1 is a pressurization port a5 with a round hole; the upper part of the sealing ring groove 2 is connected with a boss 3 for sealing support when being connected with a valve root blowing hole; the upper part of the boss 3 is connected with a hexagonal nut 4 for fastening the special test joint, and the hexagonal nut 4 is internally provided with a pipe thread type with a round hole and is used for connecting an external pressurizing air source;
the application implementation of the special test joint for pressurizing the middle cavity of the gate valve comprises the following steps:
s1: dismantling a gate valve root purge hole bolt;
s2: assembling the sealing ring at the sealing ring groove 2;
s3: connecting a test connector for connecting a pressurized air source to a pressurizing port B6;
s4: the hexagonal nut 4 is clamped and rotated through a wrench, and the test joint is fastened to the purge hole of the gate valve root in a test mode;
s5: to this end, the test connection for connecting the source of pressurized air has been connected to the gate valve stem purge hole through a pressurized port a5 inside the connector tube 1. The middle cavity of the gate valve can be pressurized by the pressurizing air source.
Claims (4)
1. The utility model provides a special test connects is suppressed to gate valve lumen which characterized in that: the sealing ring sealing device comprises a connecting pipe, wherein a sealing ring groove is formed in the upper part of the outer side of the connecting pipe, and a pressurizing port A is formed in the connecting pipe; the upper part of the sealing ring groove is connected with a boss; the upper part of the boss is connected with a hexagonal nut.
2. The special test joint is suppressed to gate valve lumen of claim 1 characterized in that: the lower part of the outer side of the connecting pipe is an external thread connected with the gate valve root blowing hole.
3. The special test joint is suppressed to gate valve lumen of claim 1 characterized in that: the interior of the connecting pipe is provided with a pressurizing opening A with a round hole.
4. The special test joint is suppressed to gate valve lumen of claim 1 characterized in that: the hexagonal nut is internally provided with a pipe thread type with a round hole and is used for connecting an external pressurizing air source.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583296.9U CN210603734U (en) | 2019-09-23 | 2019-09-23 | Special test joint is suppressed to gate valve lumen |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921583296.9U CN210603734U (en) | 2019-09-23 | 2019-09-23 | Special test joint is suppressed to gate valve lumen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210603734U true CN210603734U (en) | 2020-05-22 |
Family
ID=70695703
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921583296.9U Active CN210603734U (en) | 2019-09-23 | 2019-09-23 | Special test joint is suppressed to gate valve lumen |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210603734U (en) |
-
2019
- 2019-09-23 CN CN201921583296.9U patent/CN210603734U/en active Active
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