CN205562125U - Gate valve valve body water pressure testing tool - Google Patents
Gate valve valve body water pressure testing tool Download PDFInfo
- Publication number
- CN205562125U CN205562125U CN201620373022.7U CN201620373022U CN205562125U CN 205562125 U CN205562125 U CN 205562125U CN 201620373022 U CN201620373022 U CN 201620373022U CN 205562125 U CN205562125 U CN 205562125U
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- CN
- China
- Prior art keywords
- valve seat
- disk seat
- flashboard
- installation cavity
- valve body
- 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.)
- Expired - Fee Related
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Abstract
The utility model discloses a gate valve valve body water pressure test method and testing tool, test method: it sheathes the sealing washer in and inserts and install at first disk seat installation cavity, second disk seat installation installation cavity from the disk seat installing port to sheathe first disk seat in sealing washer, second disk seat, usually, select not have first disk seat, second disk seat and the sealing washer that leaks, following the disk seat installing port and inserting the flashboard, the flashboard is located between first disk seat and the second disk seat and remains the clearance, the flashboard is auxiliary fixtures. The gate valve valve body first for the exit outer sealing plate sealed, the delivery port of hydraulic press is aimed at outer sealing plate entry water injection evacuation gas and is added the water pressure test, first disk seat pressurized is exerted pressure towards the flashboard orientation, the clearance disappears, first disk seat moves the certain distance together with the sealing washer in first disk seat installation cavity, whether observe first disk seat periphery from the disk seat installing port leaks, the in like manner, second half of test gate valve valve body. The utility model discloses the beneficial effect that the test is convenient, the test is comprehensive, work efficiency is high has.
Description
Technical field
This utility model relates to hydraulic pressure test method and the testing tool of a kind of gate valve body.
Background technology
Gate valve body has the first import and export, second imports and exports, valve seat installing port, first valve seat installation cavity, second valve seat installation cavity, in prior art, gate valve body carries out hydraulic pressure test as follows: first imports and exports, second imports and exports, valve seat installing port all seals with external seal plate, the outlet of hydraulic press is directed at one of external seal plate entrance water filling air-discharging and adds hydraulic pressure test, if gate valve body outer wall is anhydrous, then complete Part III test, if gate valve body outer wall has water, judge to leak, needs are done over again maintenance, but through the method test gate valve body when being mounted to gate valve, there is also drainage, one of reason, first valve seat installation cavity, the not test of second valve seat installation cavity, likely leak after valve seat is installed.
Utility model content
This utility model is according to above not enough, it is provided that a kind of gate valve body hydraulic pressure test method, adds the test of valve seat installation cavity.
The technical solution of the utility model is:
A kind of gate valve body hydraulic pressure test method, gate valve body has the first import and export, the second import and export, valve seat installing port, the first valve seat installation cavity, the second valve seat installation cavity, it is characterized in that, gate valve body carries out hydraulic pressure test as follows:
(S1) the first valve seat is put sealing ring, the second valve seat puts sealing ring and inserts and be arranged on the first valve seat installation cavity, the second valve seat installation installation cavity from valve seat installing port;It is generally selected the first valve seat, the second valve seat and the sealing ring without leaking;
(S2) inserting flashboard from valve seat installing port, flashboard is between the first valve seat and the second valve seat and retention gap;Flashboard is auxiliary mould.
(S3) gate valve body first is imported and exported and is sealed with external seal plate, the outlet alignment external seal plate entrance water filling air-discharging of hydraulic press adds hydraulic pressure test, first valve seat pressurized disappears towards flashboard pressuring direction, gap, and the first valve seat moves a certain distance in the first valve seat installation cavity together with sealing ring;Refer to that the first valve seat is together with sealing ring ultimate range of movement in the first valve seat installation cavity it should be noted that move a certain distance;
(S4) observing whether the first valve seat periphery has water from valve seat installing port, if there being water, then judging that the first valve seat installation cavity leaks, need to do over again maintenance;If anhydrous, then complete Part I test;
(S5) gate valve body second is imported and exported and is sealed with external seal plate, the outlet alignment external seal plate entrance water filling air-discharging of hydraulic press adds hydraulic pressure test, second valve seat pressurized disappears towards flashboard pressuring direction, gap, and the second valve seat moves a certain distance in the second valve seat installation cavity together with sealing ring;
(S6) observing whether the second valve seat periphery has water from valve seat installing port, if there being water, then judging that the first valve seat installation cavity leaks, need to do over again maintenance;If anhydrous, then complete Part II test;
(S7) the first import and export, the second import and export, valve seat installing port all seal with external seal plate, the outlet of hydraulic press is directed at one of external seal plate entrance water filling air-discharging and adds hydraulic pressure test, if gate valve body outer wall is anhydrous, then complete Part III test, if gate valve body outer wall has water, judging to leak, need to do over again maintenance.
In order to easy for installation, the bottom of described flashboard is that wedge structure, top are provided with handle.
The invention also discloses a kind of gate valve body hydraulic pressure test instrument, it is characterized in that, including:
First valve seat, is provided with sealing ring, can insert and be arranged on the first valve seat installation cavity from valve seat installing port;
Second valve seat, is provided with sealing ring, can insert and be arranged on the second valve seat installation cavity from valve seat installing port;
Flashboard, can insert from valve seat installing port and be arranged between the first valve seat and the second valve seat, leave gap between flashboard and the first valve seat and the second valve seat;
External seal plate, imports and exports for sealing the first import and export or second, and external seal plate is provided with entrance;
Hydraulic press, connects external seal plate entrance, can inject water into the first import and export or second and import and export.
Described first valve seat, when sealing the first valve seat installation cavity, has the gap moved left and right.
Described second valve seat, when sealing the second valve seat installation cavity, has the gap moved left and right.
The gap left between described flashboard and the first valve seat and the second valve seat is 2-5mm.
The bottom of described flashboard is wedge structure.
The top of described flashboard is provided with handle.
This utility model has simple in construction, low cost, convenient test, test is comprehensive, work efficiency is high beneficial effect.
Accompanying drawing explanation
Fig. 1 is the S7 step structural representation in this utility model method of testing.
Fig. 2, Fig. 3 are the S3 step structural representation in this utility model method of testing.
Detailed description of the invention
In conjunction with accompanying drawing, this utility model is further described:
As it can be seen, a kind of gate valve body hydraulic pressure test method, gate valve body 1 has first import and export the 41, second import and export, valve seat installing port the 42, first valve seat installation cavity, the second valve seat installation cavity, and gate valve body 1 carries out hydraulic pressure test as follows:
(S1) the first valve seat 52 is put sealing ring the 51, second valve seat put sealing ring from valve seat installing port 42 insert and be arranged on the first valve seat installation cavity, second valve seat install installation cavity;
(S2) inserting flashboard 6 from valve seat installing port 42, flashboard 6 is between the first valve seat 52 and the second valve seat and retention gap;Gap 2-5mm.
(S3) gate valve body 1 first is imported and exported 41 and is sealed 2 with external seal plate, the outlet alignment external seal plate 2 entrance water filling air-discharging of hydraulic press 3 adds hydraulic pressure test, first valve seat 52 pressurized is towards flashboard 6 pressuring direction, gap disappears, and the first valve seat 52 moves a certain distance in the first valve seat installation cavity together with sealing ring 51;
(S4) observing whether the first valve seat 52 periphery has water from valve seat installing port 42, if there being water, then judging that the first valve seat installation cavity leaks, need to do over again maintenance;If anhydrous, then complete Part I test;
(S5) gate valve body 1 second import and export external seal plate 2 seals, the outlet alignment external seal plate 2 entrance water filling air-discharging of hydraulic press 3 adds hydraulic pressure test, second valve seat pressurized disappears towards flashboard 6 pressuring direction, gap, and the second valve seat moves a certain distance in the second valve seat installation cavity together with sealing ring;
(S6) observing whether the second valve seat periphery has water from valve seat installing port 42, if there being water, then judging that the first valve seat installation cavity leaks, need to do over again maintenance;If anhydrous, then complete Part II test;
(S7) the first import and export, the second import and export, valve seat installing port all seal with external seal plate, the outlet of hydraulic press is directed at one of external seal plate entrance water filling air-discharging and adds hydraulic pressure test, if gate valve body outer wall is anhydrous, then complete Part III test, if gate valve body outer wall has water, judging to leak, need to do over again maintenance.
The bottom of flashboard 6 is that wedge structure 61, top are provided with handle 62.
The invention also discloses a kind of gate valve body hydraulic pressure test instrument, including:
First valve seat 52, is provided with sealing ring 51, can insert and be arranged on the first valve seat installation cavity from valve seat installing port 42;
Second valve seat, is provided with sealing ring, can insert and be arranged on the second valve seat installation cavity from valve seat installing port 42;
Flashboard 6, can insert and be arranged between the first valve seat and the second valve seat from valve seat installing port 42, leave gap between flashboard 6 and the first valve seat and the second valve seat;
External seal plate 2, imports and exports for sealing the first import and export 41 or second, and external seal plate 2 is provided with entrance;
Hydraulic press 3, connects external seal plate 2 entrance, can inject water into the first import and export 41 or second and import and export.
First valve seat 51, when sealing the first valve seat installation cavity, has the gap moved left and right.
Second valve seat, when sealing the second valve seat installation cavity, has the gap moved left and right.
The gap left between flashboard 6 and the first valve seat 51 and the second valve seat is 2-5mm.
The bottom of flashboard 6 is wedge structure 61.
The top of flashboard 6 is provided with handle 62.
Claims (6)
1. a gate valve body hydraulic pressure test instrument, is characterized in that, including:
First valve seat, is provided with sealing ring, can insert and be arranged on the first valve seat installation cavity from valve seat installing port;
Second valve seat, is provided with sealing ring, can insert and be arranged on the second valve seat installation cavity from valve seat installing port;
Flashboard, can insert from valve seat installing port and be arranged between the first valve seat and the second valve seat, leave gap between flashboard and the first valve seat and the second valve seat;
External seal plate, imports and exports for sealing the first import and export or second, and external seal plate is provided with entrance;
Hydraulic press, connects external seal plate entrance, can inject water into the first import and export or second and import and export.
2. gate valve body hydraulic pressure test instrument as claimed in claim 1, is characterized in that, described first valve seat, when sealing the first valve seat installation cavity, has the gap moved left and right.
3. gate valve body hydraulic pressure test instrument as claimed in claim 1, is characterized in that, described second valve seat, when sealing the second valve seat installation cavity, has the gap moved left and right.
4. gate valve body hydraulic pressure test instrument as claimed in claim 1, is characterized in that, the gap left between described flashboard and the first valve seat and the second valve seat is 2-5mm.
5. gate valve body hydraulic pressure test instrument as claimed in claim 1, is characterized in that, the bottom of described flashboard is wedge structure.
6. gate valve body hydraulic pressure test instrument as claimed in claim 1, is characterized in that, the top of described flashboard is provided with handle.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620373022.7U CN205562125U (en) | 2016-04-28 | 2016-04-28 | Gate valve valve body water pressure testing tool |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201620373022.7U CN205562125U (en) | 2016-04-28 | 2016-04-28 | Gate valve valve body water pressure testing tool |
Publications (1)
Publication Number | Publication Date |
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CN205562125U true CN205562125U (en) | 2016-09-07 |
Family
ID=56804116
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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CN201620373022.7U Expired - Fee Related CN205562125U (en) | 2016-04-28 | 2016-04-28 | Gate valve valve body water pressure testing tool |
Country Status (1)
Country | Link |
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CN (1) | CN205562125U (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105784283A (en) * | 2016-04-28 | 2016-07-20 | 温州龙铸钢铁阀门有限公司 | Gate valve body water pressure testing method and gate valve body water pressure testing tool |
WO2021164419A1 (en) * | 2020-02-21 | 2021-08-26 | 苏州纽威阀门股份有限公司 | Gate valve inspection equipment |
-
2016
- 2016-04-28 CN CN201620373022.7U patent/CN205562125U/en not_active Expired - Fee Related
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105784283A (en) * | 2016-04-28 | 2016-07-20 | 温州龙铸钢铁阀门有限公司 | Gate valve body water pressure testing method and gate valve body water pressure testing tool |
WO2021164419A1 (en) * | 2020-02-21 | 2021-08-26 | 苏州纽威阀门股份有限公司 | Gate valve inspection equipment |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
CF01 | Termination of patent right due to non-payment of annual fee | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160907 Termination date: 20210428 |