CN203214957U - Combined pressure gauge stop valve - Google Patents
Combined pressure gauge stop valve Download PDFInfo
- Publication number
- CN203214957U CN203214957U CN 201320115253 CN201320115253U CN203214957U CN 203214957 U CN203214957 U CN 203214957U CN 201320115253 CN201320115253 CN 201320115253 CN 201320115253 U CN201320115253 U CN 201320115253U CN 203214957 U CN203214957 U CN 203214957U
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- China
- Prior art keywords
- stop valve
- pressure gauge
- valve body
- valve
- gasket
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- Expired - Fee Related
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Abstract
The utility model discloses a combined pressure gauge stop valve. The stop valve mainly comprises three parts, namely a high-pressure gauge stop valve, a low-pressure gauge stop valve and a connecting mechanism. When hand wheels of the combined pressure gauge stop valve are all closed, a high shockproof pressure gauge is assembled on a main valve body end, a low shockproof pressure gauge is assembled on an auxiliary valve body end, and the main valve body end and the auxiliary valve body end are then in threaded connection with a wellhead pipeline, so that the stop valve can start working. When the pressure of the wellhead pipeline is high, the hand wheel of the high-pressure gauge stop valve is opened, and the high shockproof pressure gauge shows reading; otherwise, when the pressure of the wellhead pipeline is low, the hand wheel on the high-pressure gauge stop valve is closed at first, the hand wheel on the low-pressure gauge stop valve is then opened, and the low shockproof pressure gauge shows reading. The stop valve can be widely applied to pipelines of wellhead equipment or well control devices and other pipelines which need pressure detection, and an original packing sealing mode of a valve stem packing structural part is changed into an 'O-shaped ring' sealing mode, so that a sealing effect is better than before, the structure is more compact, the service life of the pressure gauge can be prolonged, and the installation cost of the pipeline is also saved.
Description
Technical field
The utility model relates to technical field of valve manufacturing, specially refers to a kind of combined pressure table stop valve.
Background technique
Instrument valve is a kind of pipeline fittings.It is to change path section and media flow direction, a kind of device that the control fed sheet of a media flows.The sealability of instrument valve refers to the ability that each sealed department steric hindrance of instrument valve is ended dielectric leakage, and it is the most important technical performance index of instrument valve.There are three places at the sealing position of instrument valve: the contacting point between open-shut device and valve seat two sealing surfaces; The joining and locate of filler and valve rod and stuffing box; The joint of valve body and valve gap.Wherein the leakage at last place is called interior leakage, usually said fitting badly just, and it will influence the ability that instrument valve blocks medium.For the block valve class, interior leakage is unallowed.The leakage at two places, back is called and leaks outside, namely medium from the valve internal leakage outside valve.Leak outside and can cause loss of material, befouling environment also can cause the accident when serious.For inflammable and explosive, poisonous or the medium of radiation is arranged, it is unallowable especially to leak outside, thereby instrument valve must have reliable sealability.Combined pressure table stop valve is mainly used on wellhead assembly or the well control device pipeline and other needs on the pipeline of detected pressures.At present, domestic in transportation pipe line traffic control system, the valve before the instrument adopts traditional mounting type basically, namely use common instrument block valve, utilize pipe joint, adapter and pad etc. to couple together, not only installation is complicated, cost is high, and potential leak point is many, and installing space is big.As long as a pipe joint is arranged, pad or weld seam produce to be revealed, when producing, reveals the control pipeline that connects instrument, when medium vomits, if common Gauge Valves is installed, can only be manually to be on the scene, the manual-lock Gauge Valves, but, in the middle of petrochemical industry production and thermoelectric industry, there are a lot of high temperature, high pressure, inflammable and explosive and poisonous and hazardous medium, and in the middle of the very high industry of these automaticities, in order to control the process parameter of production, on-site supervision, on-line analysis, just need a large amount of Displaying Meters to finish, to guarantee production safety, for a long time, the operation of continous-stable.Under general situation, at the front end of each Displaying Meter, a manual stop valve is installed, when leakage and accidental damage take place Displaying Meter, after needing the site operation personnel to close the manually operated valve of its front end, again the instrument display element that damages is overhauled or changes.When ejection be high temperature, high pressure, severe toxicity, inflammable, explosive medium the time, the maintenance man just is difficult near the scene of the accident, only do not closed the pipeline that is moving, the emptying medium keeps in repair, not only waste resource, befouling environment also can cause heavy losses to the people's lives and property when serious.The pressure gauge stop valve of single use, pressure is fluctuated and influence manometric working life, increases pipeline installation cost etc., can't reach the needed quality of valve seal.
Summary of the invention
The purpose of this utility model provides a kind of combined pressure table stop valve, original packing seal is made into " O shape circle " sealing at the stem packing structure division, and sealing effect is than original better, also makes more compact structure.Can delay the manometric life-span, also save the pipeline installation cost, be widely used on wellhead assembly or the well control device pipeline and other needs on the pipeline of detected pressures.
The technical solution adopted in the utility model is:
A kind of combined pressure table stop valve, mainly by the high-pressure manometer stop valve, low-pressure table stop valve and bindiny mechanism's three parts are formed, comprise nut, pad, handwheel, valve rod, gland nut, spirotallic gasket, O shape circle, main valve body, sealing gasket I, Female connector fittings, union, sealing gasket I I, auxiliary valve body, low-pressure table pad, low shockproof pressure gauge, high shockproof pressure gauge, the well head pipeline, wherein, described nut has 2, described pad has 2, described handwheel has 2, described valve rod has 2, described gland nut has 2, described spirotallic gasket has 2, described O shape circle has 4.
Described high-pressure manometer stop valve mainly is made up of main valve body, spirotallic gasket, valve rod, O shape circle, gland nut, handwheel, nut, pad, it is characterized in that described spirotallic gasket puts in the endoporus of main valve body, by being threaded onto on the main valve body, compress spirotallic gasket with gland nut.After the seal groove of valve rod is embedded in two O shapes circles, screw by threaded stem and gland nut.Upper end at valve rod is loaded onto handwheel, pad successively, then nut is screwed on compress gasket.
Described low-pressure table stop valve mainly is made up of auxiliary valve body, spirotallic gasket, valve rod, O shape circle, gland nut, handwheel, nut, pad, it is characterized in that described spirotallic gasket puts in the endoporus of auxiliary valve body, by being threaded onto on the auxiliary valve body, compress spirotallic gasket with gland nut.After the seal groove of valve rod is embedded in two O shapes circles, screw by threaded stem and gland nut.Upper end at valve rod is loaded onto handwheel, pad successively, then nut is screwed on compress gasket.
Described bindiny mechanism mainly is made up of sealing gasket I, Female connector fittings, union, sealing gasket I I, Female connector fittings is enclosed within on the cylindrical of union, the union small end tightens by being threaded with the auxiliary valve body of low-pressure table stop valve after putting sealing gasket I I; Female connector fittings is moved to the auxiliary valve body end, and the other end of union puts sealing gasket I, regulates Female connector fittings and tightens by being threaded with the main valve body of high-pressure manometer stop valve.
Working principle of the present utility model is, when the handwheel of combined pressure table stop valve all cuts out, after the main valve body end is loaded onto high shockproof pressure gauge, auxiliary valve body end and is loaded onto low shockproof pressure gauge, and be threaded with the well head pipeline install after, can start working.
When the pressure on the well head pipeline is high, then open handwheel on the high-pressure manometer stop valve, show reading by the shockproof pressure gauge of height; Otherwise, when the pressure on the well head pipeline is low, closes on the high-pressure manometer stop valve handwheel earlier and open handwheel on the low-pressure table stop valve again, show reading by low shockproof pressure gauge.
The beneficial effects of the utility model are:
Combined pressure table stop valve is mainly used on wellhead assembly or the well control device pipeline and other needs on the pipeline of detected pressures, the utility model has been done significant improvement at the stem packing structure division of conventional pressure gauge stop valve, original packing seal is made into " O shape circle " sealing, sealing effect is than original better as a result, also makes more compact structure.When the pipeline upward pressure is high, then close low-pressure table stop valve and open the high-pressure manometer stop valve, show reading by the shockproof pressure gauge of height; Otherwise, when the pipeline upward pressure is low, then closes the high-pressure manometer stop valve and open low-pressure table stop valve, show reading by low shockproof pressure gauge.The benefit of Shi Yonging is to avoid single working pressure table stop valve like this, and pressure is fluctuated and influence manometric working life, increases pipeline installation cost etc.Combined pressure table stop valve has then solved this problem in the use, has not only delayed the manometric life-span, has also saved the pipeline installation cost.
Description of drawings
Fig. 1 is combined pressure table stop valve structure schematic representation.
Fig. 2 is combined pressure table stop valve and well head pipeline scheme of installation.
In Fig. 1, Fig. 2:
1-nut, 2-pad, 3-handwheel, 4-valve rod, 5-gland nut, 6-spirotallic gasket, 7-O shape circle, 8-main valve body, 9-sealing gasket I, 10-Female connector fittings, 11-union, 12-sealing gasket I I, 13-auxiliary valve body, 14-low-pressure table pad, the low shockproof pressure gauge of 15-, the high shockproof pressure gauge of 16-, 17-well head pipeline.
Embodiment
Further specify this utility model below in conjunction with Figure of description.
A kind of combined pressure table stop valve, comprise nut 1, pad 2, handwheel 3, valve rod 4, gland nut 5, spirotallic gasket 6, O shape circle 7, main valve body 8, sealing gasket I 9, Female connector fittings 10, union 11, sealing gasket I I13, auxiliary valve body 13, low-pressure table pad 14, low shockproof pressure gauge 15, high shockproof pressure gauge 16, well head pipeline 17, wherein, described nut 1 has 2, described pad 2 has 2, described handwheel 3 has 2, described valve rod 4 has 2, described gland nut 5 has 2, described spirotallic gasket 6 has 2, described O shape circle 7 has 4.
Described high-pressure manometer stop valve mainly is made up of main valve body 8, spirotallic gasket 6, valve rod 4, O shape circle 7, gland nut 5, handwheel 3, nut 1, pad 2.It is characterized in that described spirotallic gasket 6 puts in the endoporus of main valve body 8, by being threaded onto on the main valve body 8, and compress spirotallic gasket 6 with gland nut 5.After the seal groove of valve rod 4 is embedded in two O shapes circles 7, screw by threaded stem and gland nut 5.Load onto handwheel 3, pad 2 successively in the upper end of valve rod 4, then nut 1 is screwed on, compress gasket 2.
Described low-pressure table stop valve mainly is made up of auxiliary valve body 13, spirotallic gasket 6, valve rod 4, O shape circle 7, gland nut 5, handwheel 3, nut 5, pad 2.It is characterized in that described spirotallic gasket 6 puts in the endoporus of auxiliary valve body 13, by being threaded onto on the auxiliary valve body 13, and compress spirotallic gasket 6 with gland nut 5.After the seal groove of valve rod 4 is embedded in two O shapes circles 7, screw by threaded stem and gland nut 5.Load onto handwheel 3, pad 2 successively in the upper end of valve rod 4, then nut 1 is screwed on, compress gasket 2.
Described bindiny mechanism mainly is made up of sealing gasket I 9, Female connector fittings 10, union 11, sealing gasket I I12.Female connector fittings 10 is enclosed within on the cylindrical of union 11, union 11 small ends tighten by being threaded with the auxiliary valve body 13 of low-pressure table stop valve after putting sealing gasket I I12; Female connector fittings 10 is moved to auxiliary valve body 13 ends, and the other end of union 11 puts sealing gasket I 9, regulates Female connector fittings 10 and tightens by being threaded with the main valve body 8 of high-pressure manometer stop valve.
Above-described embodiment, the utility model embodiment a kind of more preferably just, the common variation that those skilled in the art carries out its form structure and compound mode etc. all should be included in the protection domain of the present utility model.
Claims (4)
1. combined pressure table stop valve, by the high-pressure manometer stop valve, low-pressure table stop valve and bindiny mechanism's three parts are formed, comprise nut, pad, handwheel, valve rod, gland nut, spirotallic gasket, O shape circle, main valve body, sealing gasket I, Female connector fittings, union, sealing gasket I I, auxiliary valve body, low-pressure table pad, low shockproof pressure gauge, high shockproof pressure gauge, the well head pipeline is characterized in that described nut has 2, described pad has 2, described handwheel has 2, described valve rod has 2, described gland nut has 2, described spirotallic gasket has 2, described O shape circle has 4.
2. a kind of combined pressure table stop valve according to claim 1, it is characterized in that described high-pressure manometer stop valve part is made up of main valve body, spirotallic gasket, valve rod, O shape circle, gland nut, handwheel, nut, pad, described spirotallic gasket is put in the endoporus of main valve body, with gland nut by being threaded onto on the main valve body, compress spirotallic gasket, after the seal groove of valve rod is embedded in two O shapes circles, screw by threaded stem and gland nut, upper end at valve rod is loaded onto handwheel, pad successively, then nut is screwed on compress gasket.
3. a kind of combined pressure table stop valve according to claim 1, it is characterized in that described low-pressure table stop valve part is made up of auxiliary valve body, spirotallic gasket, valve rod, O shape circle, gland nut, handwheel, nut, pad, described spirotallic gasket is put in the endoporus of auxiliary valve body, with gland nut by being threaded onto on the auxiliary valve body, compress spirotallic gasket, after the seal groove of valve rod is embedded in two O shapes circles, screw by threaded stem and gland nut, upper end at valve rod is loaded onto handwheel, pad successively, then nut is screwed on compress gasket.
4. a kind of combined pressure table stop valve according to claim 1, it is characterized in that described bindiny mechanism partly is made up of sealing gasket I, Female connector fittings, union, sealing gasket I I, Female connector fittings is enclosed within on the cylindrical of union, the union small end tightens by being threaded with the auxiliary valve body of low-pressure table stop valve after putting sealing gasket I I, Female connector fittings is moved to the auxiliary valve body end, the other end of union puts sealing gasket I, regulates Female connector fittings and tightens by being threaded with the main valve body of high-pressure manometer stop valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320115253 CN203214957U (en) | 2013-03-11 | 2013-03-11 | Combined pressure gauge stop valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201320115253 CN203214957U (en) | 2013-03-11 | 2013-03-11 | Combined pressure gauge stop valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN203214957U true CN203214957U (en) | 2013-09-25 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 201320115253 Expired - Fee Related CN203214957U (en) | 2013-03-11 | 2013-03-11 | Combined pressure gauge stop valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN203214957U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000001A (en) * | 2018-10-16 | 2018-12-14 | 荆州市明德科技有限公司 | It is a kind of can on-line calibration instrument valve group and its working method |
-
2013
- 2013-03-11 CN CN 201320115253 patent/CN203214957U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109000001A (en) * | 2018-10-16 | 2018-12-14 | 荆州市明德科技有限公司 | It is a kind of can on-line calibration instrument valve group and its working method |
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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: 20130925 |