CN103711928B - Ball valve - Google Patents
Ball valve Download PDFInfo
- Publication number
- CN103711928B CN103711928B CN201310676308.3A CN201310676308A CN103711928B CN 103711928 B CN103711928 B CN 103711928B CN 201310676308 A CN201310676308 A CN 201310676308A CN 103711928 B CN103711928 B CN 103711928B
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- Prior art keywords
- holder
- valve seat
- spring
- valve
- encapsulant
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Classifications
-
- 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
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the 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
- 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
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
- F16K5/202—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug with conical surfaces
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to a ball valve. The ball valve comprises a fixing apparatus and a valve seat, wherein the fixing apparatus is arranged between a valve body and a ball body; the fixing apparatus is connected with the valve body in a sealing manner through a first sealing material; the valve seat is positioned between the fixing apparatus and the ball body; the valve set is connected with the ball body in a sealing manner; the valve seat is connected with the fixing apparatus in a sealing manner through a second sealing material; a limiting part is arranged between the fixing apparatus and the valve body and used for limiting axial movement of the fixing apparatus; and an elastic part is also arranged between the fixing apparatus and the valve seat and used for applying axial elastic force and pressing the valve seat to the ball body. As the elastic part is positioned between the fixing apparatus and the valve seat, the sealing between the valve seat and the ball body is realized through the second sealing material by only pushing the valve seat to the ball body due to the axial elastic force of the elastic part after the fixing apparatus is limited by the limiting part between the fixing apparatus and the valve body, so that the elastic part is low in performance requirement in assembly and disassembly processes; and meanwhile, the fixing apparatus in the valve body is connected with the valve body in a sealing manner through the second sealing material, so that the sealing effect of the ball valve is guaranteed.
Description
Technical field
The present invention relates to a kind of valve manufacture field, concretely relate to a kind of ball valve.
Background technology
, due to having sealed reliable, structure is simple for ball valve, feature easy to maintenance, become widely used valve it
One.In ball valve, upper-mounting type ball valve have outer leak source few, no the impact of pipe stress centering flange, can achieve that on-line maintenance etc. is excellent
Point is widely used.
During existing upper-mounting type ball valve assembling, typically reserving the holder of valve ball both sides along valve interior wall slip can
It is then charged into valve ball for the space that valve ball is put into, unloading process is contrary with assembling process.And for big-diameter ball valve, due to
Valve ball, holder volume all larger, the dismounting of ball valve is more difficult.For example, Chinese patent document cn202402694u is open
A kind of ball valve valve stand structure of hard seal being applied to high temperature, it includes the valve seat setting gradually between valve seat 3 and valve body 1
Sealing ring 6, valve seat packing ring 8, valve seat pressure ring 7 and elastomeric element, valve seat packing ring 8 be used for being formed valve seat 3 and valve body 1 it
Between sealing, because flexible graphite material can bear more than 250 DEG C of high temperature, therefore be filled with flexible graphite material in it with full
The sealing of sufficient high-temperature hard sealing ball valve needs.
The assembling process of this structure is as follows: first by valve seat 3, valve seat insert 6, the valve seat filler equipped with flexible graphite material
Ring 8, valve seat pressure ring 7 and elastomeric element load in ball valve, using frock, said modules are pressed to valve body 1, reserve and supply spheroid enough
Load spheroid 2 behind 2 spaces put into, then remove frock, elastomeric element is spring, the resilience force of spring is by valve seat 3, valve seat
Sealing ring 6, the valve seat packing ring 8 equipped with flexible graphite material and valve seat pressure ring 7 push spheroid 2 to, and realize spheroid 2 and valve seat 3
Between sealing, the valve seat packing ring 8 equipped with flexible graphite material also forms sealing between valve seat 3 and valve body 1, and ball valve is permissible
Put into normal use.The unloading process of said structure is contrary with assembling process.
Valve seat insert 6 and valve seat 3 are pushed away by above-mentioned ball valve by being arranged at the spring force of spring between pressure ring 7 and valve body 1
Realize sealing to spheroid 2, and for formula hard seal ball valve is filled on heavy-caliber high-temperature, because bore is bigger, to this structure
Ball valve assembled during, valve seat 3, valve seat insert 6 and equipped with flexible graphite material valve seat packing ring 8 in valve body
Between 1 and spheroid 2, the distance of movement is bigger, and the decrement that corresponding spring needs and compression travel will become to grow very much or even exceed
The attainable scope of spring, and valve seat 3 cannot be pushed into and contact the sealing that more cannot realize between valve seat 3 and spheroid 2 with spheroid 2,
Lead to ball valve cannot use.And in cargo handling process, amount of spring compression and compression travel are all longer, the performance of spring can be produced not
Good impact, shortens the service life of spring.It can be seen that, this ball-valve structure is not suitable for the larger ball valve of bore.
Content of the invention
For this reason, the technical problem to be solved be existing high temperature upper-mounting type ball valve structure design unreasonable and
The valve seat insert leading to is all long to the displacement of valve body and spheroid, ultimately result in cannot realize close between valve seat and spheroid
Envelope；The present invention passes through the structure of appropriate design valve seat, shortens the displacement of valve seat insert, realizes the reliable sealing of ball valve
Energy.
For solving above-mentioned technical problem, a kind of ball valve of the present invention, including the holder being arranged between valve body and spheroid, institute
State and be tightly connected by the first encapsulant between holder and described valve body, also include positioned between described holder and described spheroid
Valve seat, described valve seat is connected with described ball seal, and it is close to pass through the second encapsulant between described valve seat and described holder
Envelope connects；It is provided with the locating part for limiting described holder axial movement between described holder and described valve body；Described solid
Determine device and be additionally provided with, with described valve base chamber, the elastic component applying axial elasticity power, for described valve seat is pressed against described spheroid.
Described holder is sheathed on described valve seat, arranges described second in gap between described holder and described valve seat
Encapsulant, the end of described valve seat is arranged with the pressure ring for closing described second seal；Described elastic component includes arranging
The first spring between described pressure ring and described holder inner face, the elastic force of described first spring is used for described second
Encapsulant is sealed between valve seat and described pressure ring, and for described valve seat is pressed against described spheroid.
Described holder is provided with the first groove towards the side wall of described pressure ring, and it is recessed that described first spring is located at described first
In groove.
Described elastic component also includes the second spring being arranged between described valve seat and described holder, described second spring
One end be resisted against the second of described holder side wall in groove, the other end is resisted against on the step surface of described valve seat.
It is additionally provided with for closing consolidating of described first encapsulant between the end of described holder and described valve body inner face
Determine assembly, described fixation kit includes clamper and securing member, described securing member is used for described clamper and described holder
It is fixedly connected, described first encapsulant is located in described holder and the space of described clamper.
Described securing member is screw.
The contact surface with described spheroid of described valve seat is provided with the groove radially extending.
Described first spring and described second spring are cylindrical spring, wavy spring or disk spring.
Described first encapsulant and described second encapsulant are some airtight and watertight paddings, and described airtight and watertight padding is cone
Shape, v shape or square.
Draw-in groove for placing described locating part is formed on the lateral surface of described holder, described locating part is jump ring,
During operating position, described jump ring one end is resisted against in described draw-in groove, and the other end is resisted against at the outer face of described valve body, will be described
Holder carries out axial limiting.
The technique scheme of the present invention has advantages below compared to existing technology,
1st, in the present invention, because elastic component is located at holder and valve base chamber, the locating part between holder and valve body
After spacing for holder, valve seat only need to be pushed to i.e. achievable close between valve seat and spheroid after spheroid by the axial elastic force of elastic component
Envelope, so in assembling and dissembling process, elastic component needs less axial elasticity power just valve seat can be pressed against on spheroid to realize
Sealing between valve seat and spheroid, the therefore performance requirement for elastic component are relatively low, and the structure of above-mentioned ball valve is applied to various upper dresses
In formula ball valve, simultaneously as by setting holder and valve seat in valve body, passing through the first encapsulant sealing between holder and valve body
Connect, be tightly connected by the second encapsulant between valve seat and holder；Thereby ensure that the sealing effectiveness of ball valve.
2nd, in the present invention, it is provided with the second encapsulant in gap between holder and valve seat, the end of valve seat is arranged with
For closing the pressure ring of the second encapsulant；Elastic component includes the first spring being arranged between pressure ring and holder inner face；
That is, one end of the first spring is resisted against on holder inner face, and the other end is resisted against on pressure ring, and the elastic force of the first spring will be pressed
Ring pushes the second encapsulant to, makes the second encapsulant be enclosed in pressure ring and valve base chamber it is ensured that close between valve seat and holder
The reliability that envelope connects.And, valve seat is pressed against on spheroid the elastic force of the first spring, sealing between valve seat and spheroid is provided to connect
The initial pretightning force connecing.In order to improve the effect stability of the first spring, to be provided with first recessed towards the side wall of pressure ring for holder
Groove, the first spring is located in the first groove.
3rd, in the present invention, elastic component also includes the second spring being arranged between valve seat and holder, second spring
One end is resisted against in the second groove of holder side wall, the other end is resisted against on the step surface of valve seat；First groove and second recessed
Groove is respectively used to arrange the first spring and second spring, and the elastic force of second spring also can push valve seat to spheroid, using two
Spring can provide bigger elastic force in axial direction, valve seat is pressed against on spheroid, it is further provided close between valve seat and spheroid
The initial pretightning force that envelope connects.
4th, in the present invention, it is additionally provided with for closing consolidating of the first encapsulant between the end of holder and valve body inner face
Determine assembly, fixation kit includes clamper and securing member, securing member is used for being fixedly connected clamper with holder, the first sealing
Material is located in holder and the space of clamper.Securing member is screw.It is provided with solid between the end of holder and valve body inner face
Determine assembly, in the clamper in fixation kit and the space of holder, the first encapsulant, the securing member in fixation kit are set
For screw, using screw, clamper is fixed on the holder, the first encapsulant is also just fixed on holder, works as medium
When flowing in ball valve, the first encapsulant will not produce movement, and therefore sealing effectiveness is reliable.
5th, in the present invention, the contact surface with spheroid of valve seat is provided with the groove radially extending, the structure of groove
Rigid phase is less than the rigidity of entity structure, that is, improve the structural elasticity of groove, enhances the deformation of valve seat freely, can make
Realize when spheroid and valve seat are at various pressures or spheroid deforms upon reliably being tightly connected, reduce hard seal ball simultaneously
The manufacture difficulty of valve.
6th, in the present invention, the lateral surface of holder forms the draw-in groove for placing locating part, locating part is jump ring,
During operating position, jump ring one end is resisted against in draw-in groove, and the other end is resisted against at the outer face of valve body, and holder is carried out axial limit
Position, jump ring has certain elasticity, and operation jump ring being pulled in draw-in groove is easier to.
Brief description
In order that present disclosure is more likely to be clearly understood, specific embodiment below according to the present invention simultaneously combines
Accompanying drawing, the present invention is further detailed explanation, wherein
Fig. 1 is the profile of the ball valve of the present invention；
In figure reference is expressed as: 1- valve body, 2- spheroid, 3- holder, 4- valve seat, 41- groove, 5- first sealing material
Material, 51- fixation kit, 52- clamper, 53- securing member, 54- gasket ring, 6- locating part, 7- elastic component, 71- first spring, 72-
Second spring, 8- second encapsulant, 9- pressure ring.
Specific embodiment
Fig. 1 show a kind of ball valve provided in an embodiment of the present invention, including the holder being arranged between valve body 1 and spheroid 2
3, it is tightly connected by the first encapsulant 5 between holder 3 and valve body 1, also include positioned at the valve seat between holder 3 and spheroid 2
4, valve seat 4 is tightly connected with spheroid 2, and is tightly connected by the second encapsulant 8 between valve seat 4 and holder 3；Holder 3 with
It is provided with the locating part 6 for limiting holder 3 axial movement between valve body 1；It is additionally provided with applying axially between holder 3 and valve seat 4
The elastic component 7 of elastic force, for being pressed against spheroid 2 by valve seat 4.The assembling process of ball valve of the present invention is: first seals first
Material 5 is contained on holder 3, and locating part 6 is positioned over holder 3 on the lateral surface of spheroid 2 side, by holder 3
In putting in described valve body 1, and holder 3 is pushed into installation elastic component 7 behind the place contacting with valve body 1；Will be equipped with second close
The valve seat 4 of closure material 8 is put in holder 3, then loads spheroid 2 in valve body 1, using frock, by holder 3 to spheroid 2
Direction pulls out, and so that described valve seat 4 is resisted against on described spheroid 2, now, locating part 6 is pushed into by starting position and puts for locating part 6
To limit the axial location of holder 3 in the position put.Take out frock just to complete to assemble.Demolishing process is contrary with assembling process.
During holder 3 is pulled to spheroid 2, after elastic component 7 forced compression, apply axial elasticity power to valve seat 4, by valve seat 4
It is pressed against on spheroid 2, and the initial pretightning force realizing valve seat 4 and spheroid 2 sealing is provided.
It is the central inventive point of ball valve of the present invention above, because elastic component 7 is located between holder 3 and valve seat 4, so in dress
During tearing open, elastic component 7 needs less axial elasticity power just valve seat can be pressed against on spheroid 2 to realize valve seat 4 and ball
Sealing between body 2, the therefore performance requirement for elastic component 7 are relatively low, and the structure of above-mentioned ball valve is be applied to any ball valve.And
And, due to by setting holder 3 in valve body 1 and valve seat 4, being tightly connected by the first encapsulant 5 between holder 3 and valve body 1,
It is tightly connected by the second encapsulant 8 between valve seat 4 and holder 3；Ensure that the sealing effectiveness of ball valve；Meanwhile, when holder 3
After locating part 6 and valve body 1 between will be spacing for holder 3, the elastic force of elastic component 7 axial direction only need to be pushed valve seat 4 after spheroid 2 to
Can achieve the sealing between valve seat 4 and spheroid 2.
Hermetical connecting structure between above-mentioned holder 3 and valve seat 4 is not unique, preferably, in order to improve holder 3 with
The sealing effectiveness of valve seat 4；The present embodiment adopts following concrete structure, and holder 3 is sheathed on valve seat 4, holder 3 and valve seat 4
Between be provided with the second encapsulant 8 in gap, the end of valve seat 4 is arranged with the pressure ring 9 for closing the second encapsulant 8；Bullet
Property part 7 include the first spring 71 of being arranged between pressure ring 9 and holder 3 inner face, the elastic force of the first spring 71 is used for will
Second encapsulant 8 is sealed between valve seat 4 and pressure ring 9, and for valve seat 4 is pressed against spheroid 2.Due to the first spring 71
One end be resisted against on holder 3 inner face, the other end is resisted against on pressure ring 9, and its elastic force pushes pressure ring 9 to second sealing material
Material 8, makes the second encapsulant 8 be enclosed between pressure ring 9 and valve seat 4, realizes being tightly connected between valve seat 4 and holder 3；And,
Valve seat 4 is pressed against on spheroid 2 elastic force of the first spring 71, provides initial pretension when being tightly connected between valve seat 4 and spheroid 2
Power.Meanwhile, in order that the first spring effect is more stable, holder 3 is provided with the first groove towards the side wall of pressure ring 8, and first
Spring 71 is located in the first groove.
In order to increase the pretightning force between valve seat 4 and spheroid 2 further；In the present embodiment, elastic component 7 also includes being arranged at
Second spring 72 between valve seat 4 and holder 3, one end of second spring 72 is resisted against in the second groove of holder 3 side wall,
The other end is resisted against on the step surface of valve seat 4, and the elastic force of second spring 72 also can push valve seat 4 to spheroid 2.Using two bullets
Spring can provide bigger elastic force in axial direction, valve seat 4 is pressed against on spheroid 2, it is further provided between valve seat 4 and spheroid 2
Initial pretightning force when being tightly connected.Above-mentioned first spring 71 and second spring 72 can be cylindrical spring, wavy spring or dish
Shape spring.Number and the stiffness system of elastic component 7 in other embodiment, can also be selected according to the Opening pressure size of ball valve
Number.
In order to be fixed on the first encapsulant 5 on holder 3, the present invention provides a kind of fixed form, the end of holder 3
It is additionally provided with the fixation kit 51 for closing the first encapsulant 5, fixation kit 51 includes clamper between portion and valve body 1 inner face
52 are used for being fixedly connected clamper 52 with holder 3 with securing member 53, securing member 53, and the first encapsulant 5 is located at holder 3
In the space of clamper 52.In clamper 52 in fixation kit 51 and the space of holder 3, the first encapsulant 5 is set,
Securing member 53 in fixation kit 51 is screw, using screw, clamper 52 is fixed on holder 3, the first encapsulant 5
Also just it is fixed on holder 3, when medium flows in ball valve, the first encapsulant 3 will not produce movement, therefore seals
Effect is reliable.And screw is used as securing member, its assembly and disassembly is easy.
Ball valve due to the present invention is used for hot environment, therefore whole between spheroid 2 and valve seat 4, valve seat 4 and holder 3
Between, all sealed by the way of hard sealing between holder 3 and valve seat 1, in order that the sealing between valve seat 4 and spheroid 2
More reliable, the contact surface with spheroid 2 of valve seat 4 is provided with the groove 41 radially extending.Structural rigidity at groove 41 is compared
The rigidity of entity structure is less, relatively improves the structural elasticity at groove 41, enhances the deformation of valve seat 4 freely, can make
Realize when spheroid 2 and valve seat 4 are at various pressures or spheroid 2 deforms upon reliably being tightly connected, reduce firmly close simultaneously
The manufacture difficulty of blocking valve.
First encapsulant 5 and the second encapsulant 8 can be some airtight and watertight paddings, and airtight and watertight padding can be selected for graphite.Close
Packing material is taper, v shape or square.In order to avoid serious wear when above-mentioned taper, the airtight and watertight padding of v shape and holder 3 coordinate
Problem, also set up gasket ring 54 between the first encapsulant 5 and holder 3, equally permissible between the second encapsulant 8 and valve seat 4
Setting gasket ring (not shown).Gasket ring, as auxiliary packing material, is that the known of those skilled in the art is often known, does not do herein
It is discussed in detail.
The structure of the locating part 6 of the present invention itself and set location be not unique, provides one kind specifically in the present embodiment
The mode of setting locating part 6 is: forms the draw-in groove for placing locating part 6 on the lateral surface of holder 3, locating part 6 is
Jump ring, during operating position, jump ring one end is resisted against in draw-in groove, and the other end is resisted against at the outer face of valve body 1, and holder 3 is entered
Row axial limiting.Jump ring has certain elasticity, and operation jump ring being pulled in draw-in groove is easier to.In other embodiment, on
Stating locating part 6 can also be the spacer pin being plugged between valve body 1 and holder 3, as long as it can limit holder 3 valve relatively
Body 1 moves axially.
Obviously, above-described embodiment is only intended to clearly illustrate example, and the not restriction to embodiment.Right
For those of ordinary skill in the art, can also make on the basis of the above description other multi-forms change or
Change.There is no need to be exhaustive to all of embodiment.And the obvious change thus extended out or
Change among still in the protection domain of the invention.
Claims (8)
1. a kind of ball valve, including the holder (3) being arranged between valve body (1) and spheroid (2), described holder (3) and described valve
Be tightly connected by the first encapsulant (5) between body (1) it is characterised in that: also include positioned at described holder (3) and described ball
Valve seat (4) between body (2), described valve seat (4) and described spheroid (2) are tightly connected, and described valve seat (4) and described holder
(3) it is tightly connected by the second encapsulant (8) between；It is provided with for limiting between described holder (3) and described valve body (1)
State the locating part (6) that holder (3) moves axially；It is additionally provided with applying axial elasticity between described holder (3) and described valve seat (4)
The elastic component (7) of power, for being pressed against described spheroid (2) by described valve seat (4)；Described holder (3) is sheathed on described valve
On seat (4), described second encapsulant (8), described valve seat are set in gap between described holder (3) and described valve seat (4)
(4) end is arranged with the pressure ring (9) for closing described second encapsulant (8)；Described elastic component (7) includes being arranged at institute
State the first spring (71) between pressure ring (9) and described holder (3) inner face, the elastic force of described first spring (71) is used for
Described second encapsulant (8) is sealed between described valve seat (4) and described pressure ring (9), and for pressing described valve seat (4)
It is against on described spheroid (2)；Described elastic component (7) also includes be arranged between described valve seat (4) and described holder (3)
Two springs (72), one end of described second spring (72) is resisted against in the second groove of described holder (3) side wall, the other end supports
It is against on the step surface of described valve seat (4)；And, in the longitudinal direction of ball valve, described second encapsulant (8) and described first close
Closure material (5) is respectively positioned on accordingly between described first spring (71) and second spring (72).
2. ball valve according to claim 1 it is characterised in that: described holder (3) is towards on the side wall of described pressure ring (9)
It is provided with the first groove, described first spring (71) is located in described first groove.
3. ball valve according to claim 1 and 2 it is characterised in that: the end of described holder (3) and described valve body (1)
It is additionally provided with the fixation kit (51) for closing described first encapsulant (5), described fixation kit (51) includes between inner face
Clamper (52) and securing member (53), described securing member (53) is used for described clamper (52) is fixing with described holder (3)
Connect, described first encapsulant (5) is located in described holder (3) and the space of described clamper (52).
4. ball valve according to claim 3 it is characterised in that: described securing member (53) be screw.
5. ball valve according to claim 1 and 2 it is characterised in that: the contact surface of described valve seat (4) and described spheroid (2)
It is provided with the groove (41) radially extending.
6. ball valve according to claim 1 and 2 it is characterised in that: described first spring (71) and described second spring
(72) it is cylindrical spring, wavy spring or disk spring.
7. ball valve according to claim 1 and 2 it is characterised in that: described first encapsulant (5) and described second sealing
Material (8) is some airtight and watertight paddings, and described airtight and watertight padding is taper, v shape or square.
8. ball valve according to claim 1 and 2 it is characterised in that: form on the lateral surface of described holder (3) for
Place the draw-in groove of described locating part (6), described locating part (6) is jump ring, during operating position, described jump ring one end is resisted against described
In draw-in groove, the other end is resisted against at the outer face of described valve body (1), and described holder (3) is carried out axial limiting.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310676308.3A CN103711928B (en) | 2013-12-13 | 2013-12-13 | Ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310676308.3A CN103711928B (en) | 2013-12-13 | 2013-12-13 | Ball valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103711928A CN103711928A (en) | 2014-04-09 |
| CN103711928B true CN103711928B (en) | 2017-02-01 |
Family
ID=50405150
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310676308.3A Active CN103711928B (en) | 2013-12-13 | 2013-12-13 | Ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103711928B (en) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109882656A (en) * | 2019-04-08 | 2019-06-14 | 江苏神通阀门股份有限公司 | A kind of used at ultra-low temperature upper-mounting type ball valve valve seat construction |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL207806B1 (en) * | 2007-11-28 | 2011-02-28 | Gazomet Społka Z Ograniczoną Odpowiedzialnością | Sealing unit closing component of ball tap |
| CN202691124U (en) * | 2012-08-11 | 2013-01-23 | 张业宝 | Valve seat of metal hard sealed ball valves |
| CN202756656U (en) * | 2012-08-20 | 2013-02-27 | 天津祥嘉流体控制***有限公司 | Top-mounted ultra-low temperature ball valve |
| CN202790650U (en) * | 2012-09-07 | 2013-03-13 | 四川精控阀门制造有限公司 | Top-mounted ball valve seat fixing structure |
| CN203614791U (en) * | 2013-12-13 | 2014-05-28 | 苏州纽威阀门股份有限公司 | Ball valve |
Family Cites Families (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ITMI20092115A1 (en) * | 2009-12-01 | 2011-06-02 | Bonetti Cesare Spa | METAL GASKET FOR BALL VALVES AND BALL VALVE INCLUDING SUCH GASKET |
-
2013
- 2013-12-13 CN CN201310676308.3A patent/CN103711928B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| PL207806B1 (en) * | 2007-11-28 | 2011-02-28 | Gazomet Społka Z Ograniczoną Odpowiedzialnością | Sealing unit closing component of ball tap |
| CN202691124U (en) * | 2012-08-11 | 2013-01-23 | 张业宝 | Valve seat of metal hard sealed ball valves |
| CN202756656U (en) * | 2012-08-20 | 2013-02-27 | 天津祥嘉流体控制***有限公司 | Top-mounted ultra-low temperature ball valve |
| CN202790650U (en) * | 2012-09-07 | 2013-03-13 | 四川精控阀门制造有限公司 | Top-mounted ball valve seat fixing structure |
| CN203614791U (en) * | 2013-12-13 | 2014-05-28 | 苏州纽威阀门股份有限公司 | Ball valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN103711928A (en) | 2014-04-09 |
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