CN103574100A - Three-way ball valve - Google Patents
Three-way ball valve Download PDFInfo
- Publication number
- CN103574100A CN103574100A CN201310566810.9A CN201310566810A CN103574100A CN 103574100 A CN103574100 A CN 103574100A CN 201310566810 A CN201310566810 A CN 201310566810A CN 103574100 A CN103574100 A CN 103574100A
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- Prior art keywords
- valve
- ball
- valve body
- flowing
- described valve
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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.)
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K11/00—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves
- F16K11/02—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit
- F16K11/08—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks
- F16K11/087—Multiple-way valves, e.g. mixing valves; Pipe fittings incorporating such valves with all movable sealing faces moving as one unit comprising only taps or cocks with spherical plug
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention provides a three-way ball valve. The three-way ball valve comprises a valve body and a valve rod, wherein the valve body is horizontally provided with a first flowing-out passage, a second flowing-out passage and a flowing-in passage, the first flowing-out passage, the second flowing-out passage and the flowing-in passage meet at a valve cavity, the flowing-in passage and the first flowing-out passage are in alignment and perpendicular to the second flowing-out passage, a valve ball is arranged in the valve cavity, an inlet sealing seat and an outlet sealing seat located at the side of the flowing-in passage and the side of the first flowing-out passage respectively are arranged between the valve ball and the valve body, the inlet sealing seat forms a sealing pair along with the valve ball, the outlet sealing seat forms a sealing pair along with the valve ball, the valve body located above the valve cavity is provided with a vertically extending valve rod installation hole, the valve rod penetrates through the valve rod installation hole to be connected with the valve body in a rotary sealing mode, the lower end of the valve rod is connected with the valve ball, the valve ball is provided with a horizontally extending central overflowing hole and an arc overflowing groove, the axis of the central overflowing hole passes through the center of the valve ball, the arc overflowing groove is formed in the middle lower portion of the surface of the valve ball and extends in a vertical plane, and a longitudinal symmetry plane of the arc overflowing groove passes through the center of the valve ball. The flowing amount of the three-way ball valve is not affected when two passages are opened and one passage is closed, and the sealing performance is good.
Description
Technical field
The present invention relates to a kind of tee ball valve, be particularly useful for the switching controls of indoor heating pipeline break-make.
Background technique
Existing common tee ball valve generally adds non-return core in valve ball, and structure slightly complicated makes processing, assembly cost is higher, and valve while being operated in different station flow differ larger.
Summary of the invention
In order to address the above problem, the invention provides a kind of tee ball valve, adopt the valve ball of special construction, do not establish non-return core, open when turn-off on a road and do not affect flow realizing two-way.
Technological scheme provided by the invention has: a kind of tee ball valve, comprise valve body and valve rod, described valve body level is provided with the first flow pass, the second flow pass and flow channel, the intersection of three in described valve body is valve pocket, described flow channel and the first flow pass are in line, and with the second outflow channel vertical, in described valve pocket, be provided with valve ball, between described valve ball and valve body, be provided with and lay respectively at inlet seal seat and the exit seal seat that described flow channel side and described first flows out channel side, described inlet seal seat and exit seal seat form sealing pair with described valve ball respectively, the described valve body that is positioned at the top of described valve pocket is provided with the valve rod mounting hole of downward-extension, described valve rod is connected with described valve body rotary seal through described valve rod mounting hole, the lower end of described valve rod is connected with described valve ball, described valve ball is provided with the arc overcurrent groove that its axis is crossed the horizontally extending central flowing hole of the valve ball centre of sphere and is opened in downward-extension on described ball surface middle and lower part, longitudinal symmetry plane of described arc overcurrent groove is perpendicular to described central flowing hole and cross the described valve ball centre of sphere.
Described inlet seal seat and exit seal seat are preferably the sealing seat of polytetrafluoroethylmaterial material.
The first flow channel outlet end that flows out feeder connection end and described valve gap of described valve body is provided with a sealing seat attachment face separately, described sealing seat attachment face can be the planar annular with outer side wall, and described inlet seal seat and exit seal seat can be separately fixed on corresponding sealing seat attachment face.
Described valve body can comprise being mutually permanently connected and surround main valve body and the valve gap of described valve pocket together, and described first, second flow pass and valve rod mounting hole can be arranged on described main valve body, and described flow channel can be arranged on described valve gap.
Between described main valve body and valve gap, adopt and be threaded and seal.
Described valve pocket is preferably column, and coaxial with described flow channel, and the part near described flow channel between described valve pocket and valve ball is the wedge shape space with interior annular surface.
The difference of the width of described arc overcurrent groove and the diameter of the degree of depth and described central flowing hole is preferably no more than 10% of described central flowing hole diameter.
Woodruff key structure is preferably arranged in the lower end of described valve rod, and the upper end of described valve ball has the Woodruff key slots and keyways adapting, and described woodruff key structure and Woodruff key slots and keyways match and realize being connected of described valve rod and valve ball.
For above-mentioned any one tee ball valve, position and the length of described arc overcurrent groove need meet following requirement: when the axis of described central flowing hole is in the axis with the second flow pass in the same way during position, the peak of the top edge of described arc overcurrent groove is lower than the peak of the sealing pair of described inlet seal seat and valve ball formation, and the minimum point of lower limb is between described inlet seal seat and exit seal seat.
The upper end of described valve rod can attended operation handle or drive unit.
The invention has the beneficial effects as follows: due to arc overcurrent groove being set on valve ball, make when central flowing hole is during perpendicular to flow channel, flow channel is connected with the second flow pass via arc overcurrent groove, valve pocket, has realized flow channel and the second flow pass and has opened, first flows out pathway closure, when central flowing hole is communicated with flow channel straight line, medium flows to the first flow pass by flow channel through central flowing hole, the second flow pass is cut off, realized flow channel and the first flow pass is open-minded, second flows out pathway closure, realized ball valve two-way open-minded, the using effect that turn-off on one tunnel, and, width due to arc overcurrent groove, the special design of the physical dimensions such as the degree of depth, make its through-current capability substantially reach the through-current capability level of central flowing hole, while making ball valve be operated in different station, flow is close, flow substantially can not switch and be affected because of the transposition of valve ball.
Because valve pocket is column, part near described flow channel between the wall of described valve pocket and valve ball is the wedge shape space IV with interior annular surface, when medium is introduced into above-mentioned wedge shape space from flow channel after arc overcurrent groove, because volume increases, pressure medium obtains reduction to a certain extent, has played certain decompression.
Because the docking site at main valve body and valve gap is provided with annular groove, and the seal ring that thermal expansion coefficient is less than main valve body and valve gap is inlaid in described annular groove, when running into high temperature or main valve in-vivo medium and be high-temperature high-pressure medium, because the expansion coefficient of seal ring is less than the thermal expansion coefficient of main valve body and valve gap, relative expansion degree is little, therefore can more closely bind round on annular groove, effectively prevent that main valve body and valve gap are out of shape and laterally deviate under High Temperature High Pressure, make sealing more reliable.
Accompanying drawing explanation
Fig. 1 is the structural representation of one embodiment of the present of invention;
Fig. 2 is the right TV structure schematic diagram of Fig. 1;
Fig. 3 is the structural representation of looking up of Fig. 1;
Fig. 4 is the perspective view of valve ball of the present invention;
Fig. 5 is perpendicular to the sectional view of the great circle place plane of central flowing hole on valve ball sphere;
Fig. 6 is the structural representation of an alternative embodiment of the invention;
Fig. 7 is the partial enlarged drawing of A in Fig. 6.
Embodiment
As shown in Fig. 1-7, the invention provides a kind of tee ball valve, comprise valve body and valve rod 6, described valve body level is provided with the first flow pass I, the second flow pass II and flow channel III, the intersection of three in described valve body is valve pocket, described flow channel and the first flow pass are in line, and with the second outflow channel vertical, in described valve pocket, be provided with valve ball 3, between described valve ball and valve body, be provided with and lay respectively at inlet seal seat 5 and the exit seal seat 4 that described flow channel side and described first flows out channel side, described inlet seal seat and exit seal seat form sealing pair with described valve ball respectively.The first flow channel outlet end that flows out feeder connection end and described valve gap of described valve body is provided with a sealing seat attachment face separately, described sealing seat attachment face can be the planar annular with outer side wall, and described inlet seal seat and exit seal seat are separately fixed on corresponding sealing seat attachment face.The described valve body that is positioned at the top of described valve pocket is provided with the valve rod mounting hole of downward-extension, described valve rod is provided with several for embedding the circumferential groove in its end portion of seal ring 8, described valve rod is connected with described valve body rotary seal through described valve rod mounting hole, the lower end of described valve rod is connected with described valve ball, described valve ball is provided with the arc overcurrent groove 32 that its axis is crossed the horizontally extending central flowing hole 31 of the valve ball centre of sphere and is opened in downward-extension on described ball surface middle and lower part, described arc overcurrent groove longitudinally perpendicular to described central flowing hole and cross the described valve ball centre of sphere.So-called longitudinally symmetry plane refers to that the bearing of trend (or claiming length direction) along described arc overcurrent groove dissects the section plane of two-part symmetry that makes incision.
Described inlet seal seat and exit seal seat are preferably the sealing seat of polytetrafluoroethylmaterial material, and it has good machinery, chemical property, can significantly improve the abilities such as corrosion protection, antiscour of Sealing, improve sealing reliability.
Described valve body can comprise being mutually permanently connected and surround main valve body 1 and the valve gap 2 of described valve pocket together, and described first, second flow pass and valve rod mounting hole can be arranged on described main valve body, and described flow channel is arranged on described valve gap.Between described main valve body and valve gap, adopt and be threaded, the connecting end of described main valve body and valve gap is respectively equipped with the docking end face of mutual docking, the outer edge of two described docking end faces is equipped with the annular breach of annular Staging, described annular breach is mutually to being connected into an annular groove, seal ring 9 is installed in described annular groove, the exotic material that described seal ring adopts thermal expansion coefficient to be less than described main valve body and valve gap is made, the inner side surface of described seal ring and the bottom surface of described annular groove closely cooperate, by the design of this docking end-face structure and seal ring, realized the sealing of main valve body and valve cover chamber.Sealing sealing structure is good, and long service life leakage failure can not occur easily even if medium temperature and/or pressure raise yet.While having solved under prior art rubber seal rings for seal, medium temperature raises and causes even carbonization and cause seal failure of rubber seal deliquescing, and pressure medium raises and causes rubber seal to cause the faults such as seal failure because moulding distortion occurs high pressure.
Conventionally, described main valve body, valve gap and seal ring all can adopt metal to make, so that processing, and be adapted to high temperature and high pressure environment, and in this enforcement, the material of described main valve body and valve gap is brass, the material of described seal ring is stainless steel.
Conventionally, described annular groove and described seal ring all can be rotational symmetric cylindrical shape, to facilitate processing, under existing certain processing conditions, improve machining accuracy.Annular breach on described valve body and the annular breach on described valve gap preferably adopt equal-sized mirror image, to avoid butt-welded side seam secundly, reduce sealability.
The thickness of described seal ring is preferably slightly less than the width of described annular groove, and leaves axial assemblage gap between described annular groove, to facilitate installation and maintenance, and guarantees the sealing bottom seal ring inner side and annular groove.Preferably, the butt-welded side seam between two docking end faces of described valve body and described valve gap should be positioned at the axial intermediate portion of described seal ring inner side conventionally, to improve the reliability of sealing.
Described in the present embodiment, valve pocket is column, the dead in line of its axis and described flow channel, and the part near described flow channel between the wall of described valve pocket and valve ball is the wedge shape space IV with interior annular surface.Due under the specific structural characteristics in gap and length between valve ball and the wall of valve pocket (medium circulation distance), between velocity of medium or turnover pressure reduction and resistance, form specific curved line relation, by the size in the cross section between valve ball and the wall of valve pocket is suitably set, can effectively realize to a certain extent the control to flow or input end pressure, meet the requirements such as required decompression and voltage stabilizing.
The width of described arc overcurrent groove and the degree of depth approach respectively the diameter of described central flowing hole, and its difference is preferably no more than 10% of described central flowing hole diameter.The degree of depth of described arc overcurrent groove can be the 1/5-1/3 of the diameter of described valve ball, be preferably described valve ball diameter 1/4.The width of described arc overcurrent groove also will be not more than the spacing of inlet seal seat and exit seal seat.The arc overcurrent groove that adopts said structure size, its through-current capability is close with central flowing hole or basic identical, even if therefore ball valve is operated in different stations, the flow of valve can not be subject to obvious impact yet.
Valve rod can be realized by other key with being connected of valve ball, what in the present embodiment, adopt is the underpart of valve rod to be designed to the structure 61 of key (as woodruff key), in the relevant position (as upper end) of valve ball, offer keyway (as the Woodruff key slots and keyways) structure 33 matching, described woodruff key structure and Woodruff key slots and keyways match and realize valve rod and be connected with the direct of valve ball.Upper end attended operation handle 7 or other drive units of described valve rod, as being Vidacare corp.
Working principle of the present invention is: operating grip or other drive units drive described valve rod to rotate, valve rod drives valve ball to rotate in horizontal plane again, controlling valve ball rotates and switches between the working position of 90 degree at following two: position (1), described central flowing hole is communicated with flow channel straight line, medium flows to the first flow pass by flow channel through central flowing hole, and the second flow pass is cut off; The described central flowing hole in position (2) is perpendicular to flow channel, one end that is positioned at valve ball middle part of described arc overcurrent groove communicates with flow channel, in one end of valve ball bottom between inlet seal seat and exit seal seat, communicate with the valve pocket between inlet seal seat and exit seal seat, now described the first flow pass is cut off, medium enters arc overcurrent groove from flow channel, then enters the second flow pass through wedge shape space.
The present invention has realized flow channel and the first flow pass is opened, second flow out pathway closure and flow channel and the second flow pass is opened, the effect of the first outflow pathway closure.
" interior " used in the present invention, " outward ", " on ", the word of the expression direction such as D score is only used to the facility in statement, do not form to actual user to restriction.Arrow direction indication in accompanying drawing is media flow direction under shown position.
Claims (10)
1. a tee ball valve, comprise valve body and valve rod, it is characterized in that described valve body level is provided with the first flow pass, the second flow pass and flow channel, the intersection of three in described valve body is valve pocket, described flow channel and the first flow pass are in line, and with the second outflow channel vertical, in described valve pocket, be provided with valve ball, between described valve ball and valve body, be provided with and lay respectively at inlet seal seat and the exit seal seat that described flow channel side and described first flows out channel side, described inlet seal seat and exit seal seat form sealing pair with described valve ball respectively, the described valve body that is positioned at the top of described valve pocket is provided with the valve rod mounting hole of downward-extension, described valve rod is connected with described valve body rotary seal through described valve rod mounting hole, the lower end of described valve rod is connected with described valve ball, described valve ball is provided with the arc overcurrent groove that its axis is crossed the horizontally extending central flowing hole of the valve ball centre of sphere and is opened in downward-extension on described ball surface middle and lower part, longitudinal symmetry plane of described arc overcurrent groove is perpendicular to described central flowing hole and cross the described valve ball centre of sphere.
2. tee ball valve as claimed in claim 1, is characterized in that the sealing seat that described inlet seal seat and exit seal seat are polytetrafluoroethylmaterial material.
3. tee ball valve as claimed in claim 2, the the first flow channel outlet end that flows out feeder connection end and described valve gap that it is characterized in that described valve body is provided with a sealing seat attachment face separately, described sealing seat attachment face is the planar annular with outer side wall, and described inlet seal seat and exit seal seat are separately fixed on corresponding sealing seat attachment face.
4. tee ball valve as claimed in claim 3, it is characterized in that described valve body comprises being mutually permanently connected surrounds main valve body and the valve gap of described valve pocket together, described first, second flow pass and valve rod mounting hole are arranged on described main valve body, and described flow channel is arranged on described valve gap.
5. tee ball valve as claimed in claim 4, is characterized in that described main valve body and valve gap are threaded and seal.
6. tee ball valve as claimed in claim 5, is characterized in that described valve pocket becomes column, and coaxial with described flow channel, and the part near described flow channel between described valve pocket and valve ball is the wedge shape space with interior annular surface.
7. tee ball valve as claimed in claim 6, is characterized in that the difference of the width of described arc overcurrent groove and the diameter of the degree of depth and described central flowing hole is no more than 10% of described central flowing hole diameter.
8. tee ball valve as claimed in claim 7, is characterized in that woodruff key structure is arranged in the lower end of described valve rod, and the upper end of described valve ball has Woodruff key slots and keyways, and described woodruff key structure and Woodruff key slots and keyways match and realize being connected of described valve rod and valve ball.
9. the tee ball valve as described in claim 1,2,3,4,5,6,7 or 8, it is characterized in that when the axis of described central flowing hole is in the axis with the second flow pass in the same way during position, the peak of the top edge of described arc overcurrent groove is lower than the peak of the sealing pair of described inlet seal seat and valve ball formation, and the minimum point of lower limb is between described inlet seal seat and exit seal seat.
10. tee ball valve as claimed in claim 9, is characterized in that upper end attended operation handle or the drive unit of described valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310566810.9A CN103574100B (en) | 2013-11-13 | 2013-11-13 | Tee ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310566810.9A CN103574100B (en) | 2013-11-13 | 2013-11-13 | Tee ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103574100A true CN103574100A (en) | 2014-02-12 |
| CN103574100B CN103574100B (en) | 2016-03-30 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310566810.9A Active CN103574100B (en) | 2013-11-13 | 2013-11-13 | Tee ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103574100B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878135A (en) * | 2014-04-04 | 2014-06-25 | 殷培星 | Valve special for photovoltaic power station solar panel cleaning system |
| CN106641330A (en) * | 2015-10-30 | 2017-05-10 | 罗凤玲 | Detachable pipeline reversing valve and manufacturing and mounting method thereof |
| CN106763860A (en) * | 2016-12-14 | 2017-05-31 | 石森林 | Spherical valve core |
| CN107811521A (en) * | 2017-11-30 | 2018-03-20 | 黄淮亮 | Exempt from soaking and washing device |
| CN107837000A (en) * | 2017-11-30 | 2018-03-27 | 黄淮亮 | Exempt from soak type fully automatic rice cooker |
| CN108571602A (en) * | 2017-03-09 | 2018-09-25 | 宁波会德丰铜业有限公司 | Valve and its valve body |
| CN109281885A (en) * | 2018-09-30 | 2019-01-29 | 宁波天祥新华液压有限公司 | A kind of off-load ball valve |
| CN110327573A (en) * | 2019-07-01 | 2019-10-15 | 北京力升高科科技有限公司 | A kind of switching of water band and release device |
| CN110665428A (en) * | 2019-11-11 | 2020-01-10 | 晋江肯乐贸易有限公司 | Liquid outlet device applied to color mixer |
| CN111810670A (en) * | 2020-07-31 | 2020-10-23 | 衡阳泰豪通信车辆有限公司 | Fluid control equipment for shelter |
| CN112963581A (en) * | 2020-12-22 | 2021-06-15 | 洪伟渠 | Proportional three-way valve core of hydrogen fuel cell cooling system and manufacturing method thereof |
| CN113811708A (en) * | 2019-05-22 | 2021-12-17 | 株式会社不二工机 | Flow path switching valve |
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| CN2493799Y (en) * | 2001-07-02 | 2002-05-29 | 王延龄 | Three-way regulation ball valve |
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| CN202708175U (en) * | 2012-04-18 | 2013-01-30 | 佛山市日丰企业有限公司 | Valve ball and frost valve provided with the same |
| CN103335129A (en) * | 2013-07-16 | 2013-10-02 | 北京艾迪西暖通科技有限公司 | High-temperature high-pressure ball valve |
| CN203641581U (en) * | 2013-11-13 | 2014-06-11 | 北京艾迪西暖通科技有限公司 | Three-way ball valve |
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| CN2493799Y (en) * | 2001-07-02 | 2002-05-29 | 王延龄 | Three-way regulation ball valve |
| CN201599454U (en) * | 2010-01-11 | 2010-10-06 | 大连熵立得传热技术有限公司 | Iso-flux n-type three-way valve |
| CN202708175U (en) * | 2012-04-18 | 2013-01-30 | 佛山市日丰企业有限公司 | Valve ball and frost valve provided with the same |
| CN103335129A (en) * | 2013-07-16 | 2013-10-02 | 北京艾迪西暖通科技有限公司 | High-temperature high-pressure ball valve |
| CN203641581U (en) * | 2013-11-13 | 2014-06-11 | 北京艾迪西暖通科技有限公司 | Three-way ball valve |
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103878135A (en) * | 2014-04-04 | 2014-06-25 | 殷培星 | Valve special for photovoltaic power station solar panel cleaning system |
| CN106641330A (en) * | 2015-10-30 | 2017-05-10 | 罗凤玲 | Detachable pipeline reversing valve and manufacturing and mounting method thereof |
| CN106763860A (en) * | 2016-12-14 | 2017-05-31 | 石森林 | Spherical valve core |
| CN108571602A (en) * | 2017-03-09 | 2018-09-25 | 宁波会德丰铜业有限公司 | Valve and its valve body |
| CN107811521A (en) * | 2017-11-30 | 2018-03-20 | 黄淮亮 | Exempt from soaking and washing device |
| CN107837000A (en) * | 2017-11-30 | 2018-03-27 | 黄淮亮 | Exempt from soak type fully automatic rice cooker |
| CN109281885A (en) * | 2018-09-30 | 2019-01-29 | 宁波天祥新华液压有限公司 | A kind of off-load ball valve |
| CN109281885B (en) * | 2018-09-30 | 2024-02-20 | 宁波天祥新华液压有限公司 | Unloading ball valve |
| CN113811708A (en) * | 2019-05-22 | 2021-12-17 | 株式会社不二工机 | Flow path switching valve |
| CN113811708B (en) * | 2019-05-22 | 2023-09-12 | 株式会社不二工机 | Flow path switching valve |
| CN110327573A (en) * | 2019-07-01 | 2019-10-15 | 北京力升高科科技有限公司 | A kind of switching of water band and release device |
| CN110327573B (en) * | 2019-07-01 | 2020-04-03 | 北京力升高科科技有限公司 | Hosepipe switches and release |
| CN110665428A (en) * | 2019-11-11 | 2020-01-10 | 晋江肯乐贸易有限公司 | Liquid outlet device applied to color mixer |
| CN111810670A (en) * | 2020-07-31 | 2020-10-23 | 衡阳泰豪通信车辆有限公司 | Fluid control equipment for shelter |
| CN112963581A (en) * | 2020-12-22 | 2021-06-15 | 洪伟渠 | Proportional three-way valve core of hydrogen fuel cell cooling system and manufacturing method thereof |
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| CN103574100B (en) | 2016-03-30 |
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