CN104315185A - Double-scraper ultra-hard sealing ball valve - Google Patents
Double-scraper ultra-hard sealing ball valve Download PDFInfo
- Publication number
- CN104315185A CN104315185A CN201410449276.8A CN201410449276A CN104315185A CN 104315185 A CN104315185 A CN 104315185A CN 201410449276 A CN201410449276 A CN 201410449276A CN 104315185 A CN104315185 A CN 104315185A
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- China
- Prior art keywords
- valve
- valve body
- valve seat
- scraper
- ring
- 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.)
- Pending
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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
- 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
- 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
- F16K5/0605—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 with particular plug arrangements, e.g. particular shape or built-in 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
- F16K5/0694—Spindle sealings
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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
-
- 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
Abstract
The invention discloses a double-scraper ultra-hard sealing ball valve. The double-scraper ultra-hard sealing ball valve comprises a valve body, an auxiliary valve body, a valve rod, a main valve body connecting bracket, packing, a packing gland, a rolling bearing, two valve seats, valve seat supporting rings, springs, a ball, a packing bolt and a middle-way stud, wherein the two valve seats are symmetrically arranged; each valve seat is fixed inside the valve body through the corresponding valve seat supporting ring; the ball is positioned between the two valve seats; each spring is arranged between the inner wall of the valve body and the corresponding valve seat supporting ring; a pointed part is arranged at the end, close to the ball, of each valve seat; a valve seat top pointed knife and a sealing face scraper are arranged at each pointed part; each sealing face scraper is attached to the ball. The device is highly resistant to high temperature, high pressure, corrosion, abrasion and erosion, is capable of carrying out two-way sealing through the valve seats, and is good in sealing property, small in moment, stable in performance, simple in structure and convenient to manufacture.
Description
Technical field
The present invention relates to a kind of two scraper superhard sealing ball valve.
Background technique
Common metal hard-sealing ball valve, primarily of ball valve core, valve seat, valve body, the parts compositions such as valve rod, in order under preventing spheroid and valve seat in working order because difference variation is excessive too fast and swollen extremely, especially when containing granular solids in liquid wherein, more easily there is the stuck situation of tensioner, general all employing arranges flexure spring and seal ring between valve seat and valve body, the elastic force of spring is utilized to be used for reaching being sealed and matched of valve seat and spool, but due to the restriction of spring and seal ring heat resistance, make the metal hard-sealing ball valve of this structure can not be suitable for High Temperature High Pressure and supercritical behavior use, said structure is comparatively complicated in addition, installation cost is higher and easily damage.
Summary of the invention
The technical problem to be solved in the present invention is to provide a kind of two scraper superhard sealing ball valve, and this device has high temperature resistant, high pressure, burn into wearing and tearing preferably, erosion, and carries out two way sealed by valve seat, good airproof performance, moment is light, stable performance, and structure is simple, easily manufactured.
For solving the problem, the present invention adopts following technological scheme:
A kind of two scraper superhard sealing ball valve, comprise valve body, auxiliary valve body, valve rod, main valve body chord frame, filler, Gland, rolling bearing, valve seat, valve seat bearing ring, spring, spheroid, filler bolt and middle road stud bolt, described valve body and auxiliary valve body are integral type, described main valve body chord frame is connected and fixed by described auxiliary valve body and described valve body, described middle road stud bolt is fastened between described auxiliary valve body and described main valve body chord frame, described main valve body chord chord position that a part of place above described auxiliary valve body is provided with groove, a cavity volume is formed between the inside of described valve rod and described main valve body chord frame, described filler is filled in this cavity volume, described Gland is through described groove, and the lower end surface of Gland extends in cavity volume, and compress described filler, described filler bolton is between described Gland and described auxiliary valve body, described valve rod is assigned to described valve inner from described main valve body chord top of the trellis, the inner ring of described rolling bearing is set on described valve rod, outer ring and the described valve body of described rolling bearing fix, described spheroid is arranged on described valve inner, described spheroid top has a plane of inclination, described valve rod and this plane of inclination offset, described spheroid has two smooth end faces, described spheroid has a through hole passed for liquid, described valve seat is symmetrically arranged with two, described valve seat is fixed on by valve seat bearing ring and states valve inner, described spheroid is described in two between valve seat, described spring is arranged between the inwall of described valve body and described valve seat bearing ring, described valve seat has a sharp-pointed portion on that one end near described spheroid, this sharp-pointed portion is provided with the top cutter of valve seat and sealing surface scraper, described sealing surface scraper and described spheroid are fitted.
As preferred technological scheme, form a trapezoidal cavity volume after described valve seat coordinates with described valve seat bearing ring, in described cavity volume, be provided with dust ring.
As preferred technological scheme, the inwall of described valve body is provided with groove, is provided with seal ring in described groove, and the inner ring of described seal ring and the outer wall of described valve seat bearing ring are formed and seal.
As preferred technological scheme, described rolling bearing comprises steel ball base, steel ball and Thurst washer, the top of described steel ball base is provided with the circular groove that is placed described steel ball, and described Thurst washer is arranged on above described steel ball, and inner ring and the described valve rod of described Thurst washer fix.
As preferred technological scheme, between the bottom of described rolling bearing and described valve rod, be provided with the first dust ring.
The invention has the beneficial effects as follows:
1. valve entirety adopts two-piece type, main valve body and support one;
2. valve rod is down-mounting type, anti-ejection structure, and valve rod neck end can assemble improvement rolling steel ball or improvement thrust steel ball;
3. filler adopts gland compressing structure;
4. butterfly spring pressing provides pretension to compare laminated structure;
5. spheroid, valve seat dust ring cure process;
6. the anti-dielectric deposition structure of valve body;
7. the two blade construction design of valve seat;
8. valve seat butterfly spring proofing dust and protecting design;
9. improve the design of rolling steel ball proofing dust and protecting.
Performance: high temperature resistant, high pressure, burn into wear and tear, erosion, two way sealed, and good airproof performance, moment is light, stable performance.
1) high temperature resistant can long-term work under the condition of high temperature more than 550 DEG C, be applicable to high temperature most of working condition at present.
2) high pressure resistant can operating mode long-term work under the pressure rating of 25MPa.
3) the corrosion-resistant particular/special requirement that can meet under the Korrosionsmedium operating modes such as sulfuric acid, hydrochloric acid, nitric acid, acetic acid, salt solution (seawater).
4) the wear-resistant wear resistance requirement that can meet special media in multiple severe, the harsh operating mode of the industries such as petrochemical industry, mine smelting, papermaking, Coal Chemical Industry, grinding tool abrasive material, polysilicon/organosilicon.
5) erosion resistance is not only and is have employed nickel-base alloy that is high temperature resistant, corrosion resistance and good on spheroid dust ring, and surfacing or spraying NI60 or Tungsten carbite, makes ball seal surface hardness reach 69-75HRC.
6) two way sealed can ensure valve at forward, oppositely two way sealed, make valve sealability be improved, and online rush repair valve provides guarantee.
7) sealability: two scraper superhard sealing ball valve can reach the sealing of ANSI B16.104 CLASS VI (FCI 70-2) level.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technological scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is only some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is sectional view of the present invention;
Fig. 2 is sectional view of the present invention;
Fig. 3 is the structural representation of rolling bearing;
Fig. 4 is the structural representation of valve seat.
Reference character in figure:
1, valve body; 2, auxiliary valve body; 3, valve rod; 4, main valve body chord frame; 5, filler; 6, Gland; 7, rolling bearing; 8, valve seat; 9, valve seat bearing ring; 10, spring; 11, spheroid; 111, through hole; 12, filler bolt; 13, middle road stud bolt; 401, groove; 901, sharp-pointed portion; 14, the top cutter of valve seat; 15, sealing surface scraper; 16, dust ring; 17, seal ring; 18, steel ball base; 19, steel ball; 20, Thurst washer; 21, the first dust ring.
Embodiment
Below in conjunction with accompanying drawing, the preferred embodiments of the present invention are described in detail, can be easier to make advantages and features of the invention be readily appreciated by one skilled in the art, thus more explicit defining is made to protection scope of the present invention.
Consult Fig. 1, Fig. 2, the two scraper superhard sealing ball valve of one shown in Fig. 3 and Fig. 4, comprise valve body 1, auxiliary valve body 2, valve rod 3, main valve body chord frame 4, filler 5, Gland 6, rolling bearing 7, valve seat 8, valve seat bearing ring 9, spring 10, spheroid 11, filler bolt 12 and middle road stud bolt 13, described valve body 1 and auxiliary valve body 2 are integral type, described main valve body chord frame 4 is connected and fixed with described valve body 1 by described auxiliary valve body 2, described middle road stud bolt 13 is fastened between described auxiliary valve body 2 and described main valve body chord frame 4, that a part of place that described main valve body chord frame 4 is positioned at above described auxiliary valve body 2 is provided with groove 401, a cavity volume is formed between the inside of described valve rod 3 and described main valve body chord frame 4, described filler 5 is filled in this cavity volume, described Gland 6 is through described groove 401, and the lower end surface of Gland 6 extends in cavity volume, and compress described filler 5, described filler bolt 12 is fastened between described Gland 6 and described auxiliary valve body 2, described valve rod 3 is assigned to described valve body 1 inner from described main valve body chord frame 4 top, the inner ring of described rolling bearing 7 is set on described valve rod 3, outer ring and the described valve body 1 of described rolling bearing 7 fix, it is inner that described spheroid 11 is arranged on described valve body 1, described spheroid 11 top has a plane of inclination, described valve rod 3 offsets with this plane of inclination, described spheroid 11 has two smooth end faces, described spheroid 11 has a through hole passed for liquid 111, described valve seat 8 is symmetrically arranged with two, described valve seat 8 is fixed on by valve seat bearing ring 9 and states valve body 1 inside, described spheroid 11 is between valve seat described in two 8, described spring 10 is arranged between the inwall of described valve body 1 and described valve seat bearing ring 9, described valve seat 8 has a sharp-pointed portion 901 on that one end near described spheroid 11, this sharp-pointed portion 901 is provided with the top cutter 14 of valve seat and sealing surface scraper 15, described sealing surface scraper 15 is fitted with described spheroid 11.
A preferred embodiment in the present invention, the cavity volume that described valve seat 8 coordinates rear formation one trapezoidal with described valve seat bearing ring 9, is provided with dust ring 16 in described cavity volume.
A preferred embodiment in the present invention, the inwall of described valve body 1 is provided with groove (not shown), is provided with seal ring 17 in described groove, and the inner ring of described seal ring 17 and the outer wall of described valve seat bearing ring 9 are formed and seal.
A preferred embodiment in the present invention, described rolling bearing 7 comprises steel ball base 18, steel ball 19 and Thurst washer 20, the top of described steel ball base 18 is provided with the circular groove that is placed described steel ball 19, described Thurst washer 2 is arranged on above described steel ball 19, and inner ring and the described valve rod 3 of described Thurst washer 20 fix.
A preferred embodiment in the present invention, is provided with the first dust ring 21 between the bottom of described rolling bearing 7 and described valve rod 3.
The invention has the beneficial effects as follows:
1. valve entirety adopts two-piece type, main valve body and support one;
2. valve rod is down-mounting type, anti-ejection structure, and valve rod neck end can assemble improvement rolling steel ball or improvement thrust steel ball;
3. filler adopts gland compressing structure;
4. butterfly spring pressing provides pretension to compare laminated structure;
5. spheroid, valve seat dust ring cure process;
6. the anti-dielectric deposition structure of valve body;
7. the two blade construction design of valve seat;
8. valve seat butterfly spring proofing dust and protecting design;
9. improve the design of rolling steel ball proofing dust and protecting.
Performance: high temperature resistant, high pressure, burn into wear and tear, erosion, two way sealed, and good airproof performance, moment is light, stable performance.
1) high temperature resistant can long-term work under the condition of high temperature more than 550 DEG C, be applicable to high temperature most of working condition at present.
2) high pressure resistant can operating mode long-term work under the pressure rating of 25MPa.
3) the corrosion-resistant particular/special requirement that can meet under the Korrosionsmedium operating modes such as sulfuric acid, hydrochloric acid, nitric acid, acetic acid, salt solution (seawater).
4) the wear-resistant wear resistance requirement that can meet special media in multiple severe, the harsh operating mode of the industries such as petrochemical industry, mine smelting, papermaking, Coal Chemical Industry, grinding tool abrasive material, polysilicon/organosilicon.
5) erosion resistance is not only and is have employed nickel-base alloy that is high temperature resistant, corrosion resistance and good on spheroid dust ring, and surfacing or spraying NI60 or Tungsten carbite, makes ball seal surface hardness reach 69-75HRC.
6) two way sealed can ensure valve at forward, oppositely two way sealed, make valve sealability be improved, and online rush repair valve provides guarantee.
7) sealability: two scraper superhard sealing ball valve can reach the sealing of ANSI B16.104 CLASS VI (FCI 70-2) level.
The above, be only the specific embodiment of the present invention, but protection scope of the present invention is not limited thereto, and any change of expecting without creative work or replacement, all should be encompassed within protection scope of the present invention.Therefore, the protection domain that protection scope of the present invention should limit with claims is as the criterion.
Claims (5)
1. a two scraper superhard sealing ball valve, it is characterized in that: comprise valve body, auxiliary valve body, valve rod, main valve body chord frame, filler, Gland, rolling bearing, valve seat, valve seat bearing ring, spring, spheroid, filler bolt and middle road stud bolt, described valve body and auxiliary valve body are integral type, described main valve body chord frame is connected and fixed by described auxiliary valve body and described valve body, described middle road stud bolt is fastened between described auxiliary valve body and described main valve body chord frame, described main valve body chord chord position that a part of place above described auxiliary valve body is provided with groove, a cavity volume is formed between the inside of described valve rod and described main valve body chord frame, described filler is filled in this cavity volume, described Gland is through described groove, and the lower end surface of Gland extends in cavity volume, and compress described filler, described filler bolton is between described Gland and described auxiliary valve body, described valve rod is assigned to described valve inner from described main valve body chord top of the trellis, the inner ring of described rolling bearing is set on described valve rod, outer ring and the described valve body of described rolling bearing fix, described spheroid is arranged on described valve inner, described spheroid top has a plane of inclination, described valve rod and this plane of inclination offset, described spheroid has two smooth end faces, described spheroid has a through hole passed for liquid, described valve seat is symmetrically arranged with two, described valve seat is fixed on by valve seat bearing ring and states valve inner, described spheroid is described in two between valve seat, described spring is arranged between the inwall of described valve body and described valve seat bearing ring, described valve seat has a sharp-pointed portion on that one end near described spheroid, this sharp-pointed portion is provided with the top cutter of valve seat and sealing surface scraper, described sealing surface scraper and described spheroid are fitted.
2. according to claim 1 pair of scraper superhard sealing ball valve, is characterized in that: form a trapezoidal cavity volume after described valve seat coordinates with described valve seat bearing ring, in described cavity volume, be provided with dust ring.
3. according to claim 1 pair of scraper superhard sealing ball valve, is characterized in that: the inwall of described valve body is provided with groove, is provided with seal ring in described groove, and the inner ring of described seal ring and the outer wall of described valve seat bearing ring are formed and seal.
4. according to claim 1 pair of scraper superhard sealing ball valve, it is characterized in that: described rolling bearing comprises steel ball base, steel ball and Thurst washer, the top of described steel ball base is provided with the circular groove that is placed described steel ball, described Thurst washer is arranged on above described steel ball, and inner ring and the described valve rod of described Thurst washer fix.
5. according to claim 1 pair of scraper superhard sealing ball valve, is characterized in that: be provided with the first dust ring between the bottom of described rolling bearing and described valve rod.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449276.8A CN104315185A (en) | 2014-09-01 | 2014-09-01 | Double-scraper ultra-hard sealing ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410449276.8A CN104315185A (en) | 2014-09-01 | 2014-09-01 | Double-scraper ultra-hard sealing ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104315185A true CN104315185A (en) | 2015-01-28 |
Family
ID=52370462
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410449276.8A Pending CN104315185A (en) | 2014-09-01 | 2014-09-01 | Double-scraper ultra-hard sealing ball valve |
Country Status (1)
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508647A (en) * | 2016-02-01 | 2016-04-20 | 无锡智能自控工程股份有限公司 | Elastic-seal valve seat structure of fixed ball valve |
| CN106015620A (en) * | 2016-06-20 | 2016-10-12 | 中节能耐磨技术宜兴有限公司 | Valve rod combination structure of high-pressure ball valve |
| CN106402420A (en) * | 2016-10-10 | 2017-02-15 | 华东理工大学 | Wear-resistant and washout-resistant ball valve core and manufacturing method thereof |
| CN106763823A (en) * | 2016-12-16 | 2017-05-31 | 安徽铜都流体科技股份有限公司 | The double scraper two-way hard seal spiral valves of piston type |
| CN106812964A (en) * | 2017-04-07 | 2017-06-09 | 李祥庆 | A kind of band scraper stop valve assembly method |
| CN106870812A (en) * | 2017-04-26 | 2017-06-20 | 张新丰 | A kind of band rotary drag stop valve application method |
| CN107061751A (en) * | 2017-04-26 | 2017-08-18 | 张新丰 | A kind of band rotary drag stop valve assembly method |
| CN108253149A (en) * | 2016-12-29 | 2018-07-06 | 上海纽京工业设备有限公司 | The program-controlled ball valve of polyolefin |
| CN108843815A (en) * | 2018-08-30 | 2018-11-20 | 昆山维萨阀门有限公司 | A kind of double isolation hard seal ball valves of high temperature |
| CN109695734A (en) * | 2019-02-27 | 2019-04-30 | 温州捷凯智能设备科技有限公司 | A kind of efficient hard seal ball valve |
| CN110513502A (en) * | 2019-08-27 | 2019-11-29 | 志泰阀门有限公司 | Crystallize dedicated regulation valve |
| EP3440386A4 (en) * | 2016-04-06 | 2019-12-04 | Emerson Vulcan Holding LLC | Gasket seal seat ring |
| CN112762194A (en) * | 2021-03-02 | 2021-05-07 | 温州市安通阀门有限公司 | Hard sealing ball device |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09317904A (en) * | 1996-05-30 | 1997-12-12 | Kitou Kogyo Kk | Valve gear |
| CN101131214A (en) * | 2007-09-29 | 2008-02-27 | 温州市威驰阀门有限公司 | Automatic decoking stopcock |
| CN201651400U (en) * | 2010-05-07 | 2010-11-24 | 谢章方 | Dust unloading ball valve |
| CN102966751A (en) * | 2012-11-13 | 2013-03-13 | 大众阀门集团有限公司 | U-shaped ball valve for slurry mixing and ash discharging |
| CN203442201U (en) * | 2013-07-29 | 2014-02-19 | 浙江永盛仪表有限公司 | Hard seal O-shaped ball valve |
| CN203730815U (en) * | 2014-03-28 | 2014-07-23 | 浙江永盛仪表有限公司 | Floating hard-sealing ball valve |
| CN203743456U (en) * | 2014-03-28 | 2014-07-30 | 浙江永盛仪表有限公司 | Butterfly valve |
-
2014
- 2014-09-01 CN CN201410449276.8A patent/CN104315185A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH09317904A (en) * | 1996-05-30 | 1997-12-12 | Kitou Kogyo Kk | Valve gear |
| CN101131214A (en) * | 2007-09-29 | 2008-02-27 | 温州市威驰阀门有限公司 | Automatic decoking stopcock |
| CN201651400U (en) * | 2010-05-07 | 2010-11-24 | 谢章方 | Dust unloading ball valve |
| CN102966751A (en) * | 2012-11-13 | 2013-03-13 | 大众阀门集团有限公司 | U-shaped ball valve for slurry mixing and ash discharging |
| CN203442201U (en) * | 2013-07-29 | 2014-02-19 | 浙江永盛仪表有限公司 | Hard seal O-shaped ball valve |
| CN203730815U (en) * | 2014-03-28 | 2014-07-23 | 浙江永盛仪表有限公司 | Floating hard-sealing ball valve |
| CN203743456U (en) * | 2014-03-28 | 2014-07-30 | 浙江永盛仪表有限公司 | Butterfly valve |
Cited By (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105508647A (en) * | 2016-02-01 | 2016-04-20 | 无锡智能自控工程股份有限公司 | Elastic-seal valve seat structure of fixed ball valve |
| EP3440386A4 (en) * | 2016-04-06 | 2019-12-04 | Emerson Vulcan Holding LLC | Gasket seal seat ring |
| CN106015620A (en) * | 2016-06-20 | 2016-10-12 | 中节能耐磨技术宜兴有限公司 | Valve rod combination structure of high-pressure ball valve |
| CN106402420A (en) * | 2016-10-10 | 2017-02-15 | 华东理工大学 | Wear-resistant and washout-resistant ball valve core and manufacturing method thereof |
| CN106402420B (en) * | 2016-10-10 | 2019-03-22 | 华东理工大学 | Wear-resisting and erosion resistant ball valve core and its manufacturing method |
| CN106763823A (en) * | 2016-12-16 | 2017-05-31 | 安徽铜都流体科技股份有限公司 | The double scraper two-way hard seal spiral valves of piston type |
| CN108253149A (en) * | 2016-12-29 | 2018-07-06 | 上海纽京工业设备有限公司 | The program-controlled ball valve of polyolefin |
| CN106812964A (en) * | 2017-04-07 | 2017-06-09 | 李祥庆 | A kind of band scraper stop valve assembly method |
| CN106870812A (en) * | 2017-04-26 | 2017-06-20 | 张新丰 | A kind of band rotary drag stop valve application method |
| CN107061751A (en) * | 2017-04-26 | 2017-08-18 | 张新丰 | A kind of band rotary drag stop valve assembly method |
| CN106870812B (en) * | 2017-04-26 | 2019-01-18 | 盐城市高中压阀门有限公司 | A kind of band rotary drag shut-off valve application method |
| CN107061751B (en) * | 2017-04-26 | 2019-02-15 | 张新丰 | A kind of band rotary drag shut-off valve assembly method |
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| CN109695734A (en) * | 2019-02-27 | 2019-04-30 | 温州捷凯智能设备科技有限公司 | A kind of efficient hard seal ball valve |
| CN110513502A (en) * | 2019-08-27 | 2019-11-29 | 志泰阀门有限公司 | Crystallize dedicated regulation valve |
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