CN103672009A - Forged high-differential-pressure noise-reduction V-shaped regulating ball valve - Google Patents
Forged high-differential-pressure noise-reduction V-shaped regulating ball valve Download PDFInfo
- Publication number
- CN103672009A CN103672009A CN201310633790.2A CN201310633790A CN103672009A CN 103672009 A CN103672009 A CN 103672009A CN 201310633790 A CN201310633790 A CN 201310633790A CN 103672009 A CN103672009 A CN 103672009A
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- valve
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- noise reduction
- valve body
- high pressure
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- 230000001105 regulatory effect Effects 0.000 title abstract description 5
- 230000009467 reduction Effects 0.000 claims abstract description 42
- 230000005540 biological transmission Effects 0.000 claims abstract description 22
- 239000000945 filler Substances 0.000 claims description 14
- 238000005242 forging Methods 0.000 claims description 13
- 238000007789 sealing Methods 0.000 claims description 11
- 241001633942 Dais Species 0.000 claims description 7
- 238000012856 packing Methods 0.000 claims description 7
- 230000001413 cellular effect Effects 0.000 claims description 3
- 210000004907 gland Anatomy 0.000 claims description 3
- 238000005507 spraying Methods 0.000 description 5
- 238000000227 grinding Methods 0.000 description 4
- UFGZSIPAQKLCGR-UHFFFAOYSA-N chromium carbide Chemical compound [Cr]#C[Cr]C#[Cr] UFGZSIPAQKLCGR-UHFFFAOYSA-N 0.000 description 2
- 238000000280 densification Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000010008 shearing Methods 0.000 description 2
- 229910003470 tongbaite Inorganic materials 0.000 description 2
- WFKWXMTUELFFGS-UHFFFAOYSA-N tungsten Chemical compound [W] WFKWXMTUELFFGS-UHFFFAOYSA-N 0.000 description 2
- 229910052721 tungsten Inorganic materials 0.000 description 2
- 239000010937 tungsten Substances 0.000 description 2
- 230000002146 bilateral effect Effects 0.000 description 1
- 230000006835 compression Effects 0.000 description 1
- 238000007906 compression Methods 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000006837 decompression Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 239000000835 fiber Substances 0.000 description 1
- 238000007701 flash-distillation Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000002045 lasting effect Effects 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000003287 optical effect Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000003825 pressing Methods 0.000 description 1
- 239000002002 slurry Substances 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Images
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
- F16K5/0605—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
- 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
-
- 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
- F16K47/00—Means in valves for absorbing fluid energy
- F16K47/02—Means in valves for absorbing fluid energy for preventing water-hammer or noise
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Details Of Valves (AREA)
- Taps Or Cocks (AREA)
Abstract
The invention relates to ball valves, in particular to a forged high-differential-pressure noise-reduction V-shaped regulating ball valve, and belongs to the technical field of control valves. The forged high-differential-pressure noise-reduction V-shaped regulating ball valve comprises a valve body, the upper end of the valve body is connected with a top cap in a threaded manner, a ball is arranged in the valve body, and the upper end of the ball is connected with a mortise of a transmission shaft through a tenon. A transmission shaft limit shoulder is arranged on the lower portion of the transmission shaft and provided with an upper bushing, and a thrust plane bearing is arranged at the upper end of the upper bushing. The lower end of the ball is connected with an underpan driven shaft which is connected with the valve body through bolts. The left side of the valve body is connected with a noise-reduction clamping ring through fastening bolts, a left valve seat is arranged between the noise-reduction clamping ring and the ball, and the left valve seat and the ball form one seal pair. A right valve seat is arranged between the valve body and the ball, and the right valve seat and the ball form the other seal pair. The forged high-differential-pressure noise-reduction V-shaped regulating ball valve has good regulation performance, good deformation resistance capacity and good noise reduction capacity.
Description
Technical field
The present invention relates to a kind of ball valve, forge specifically formula High Pressure Difference noise reduction V-type and regulate ball valve, belong to control valve technical field.
Background technique
V-type regulates ball valve because it has larger regulating ratio, between 300:1-200:1, spool is in course of action, between v-notch on sphere and valve seat, can form effective shear action, add the flow passage structure of straight-through type, extremely be suitable for the control to fiber medium, slurry, powder and other fluids, gas and steam, so the application of this type of valve on petrochemical equipment is increasingly extensive.But in prior art, the existing valve ball with v-notch mostly is spherical calotte structure, and its non-deformability is not ideal enough, be mainly used in 150 and the operating mode of 300LB, cannot be applied to High Pressure Difference occasion; And due to its structural limitations, cannot be used in by flash distillation, cavitation phenomenon and cause the high flow rate occasion of fluid-dynamic noise and aerodynamic noise.So how to regulate ball valve to be applied to harsh operating mode occasion V-type is the problem that user and valve industry are generally concerned about.
Summary of the invention
The object of the invention is to overcome above-mentioned deficiency, thereby provide a kind of adjusting function good, the forging formula High Pressure Difference noise reduction V-type that non-deformability and noise reduction capability are good regulates ball valve,
According to technological scheme provided by the invention, forging formula High Pressure Difference noise reduction V-type regulates ball valve to comprise valve body, valve body upper end is threaded connection upper cover, in valve body, be provided with valve ball, valve ball upper end is connected with transmission shaft tongue-and-groove by tenon, and upper cover is stretched out in transmission shaft upper end, it is characterized in that: transmission shaft bottom is provided with transmission shaft limit dais, transmission shaft limit dais is provided with lining, and upper lining upper end is provided with thrust plane bearing.Valve ball lower end connecting base plate driven shaft, chassis driven shaft is bolted valve body.Valve body passes on left fastening screw trip bolt and connects noise reduction trim ring, is provided with left valve seat between noise reduction trim ring and valve ball; Left valve seat and valve ball form sealing pair.Between valve body and valve ball right side, be provided with right valve seat; Right valve seat and valve ball form sealing pair.
Further, between valve body and upper cover, be provided with upper cover gasket seal.
Further, between upper cover and transmission shaft, be provided with packing seal element, upper cover upper end is bolted hold-down grid, is provided with the Gland that compresses packing seal element between hold-down grid and upper cover.
Further, between valve ball and chassis driven shaft, be provided with lower lining.
Further, between chassis driven shaft and valve body, be provided with chassis gasket seal.
Further, between valve body and noise reduction trim ring, be provided with valve seal pad.
Further, between noise reduction trim ring and left valve seat, be from left to right provided with successively left axial seal filler, left support ring and left plate spring, the left axial seal filler of left plate spring compression and left support ring.
Further, be from left to right provided with successively right planar spring, right support ring and right axial seal filler between right valve seat and valve body, right planar spring compresses right support ring and right axial seal filler.
Further, be evenly provided with a plurality of noise reductions hole on noise reduction trim ring, a plurality of noise reductions hole is cellular distribution.
Further, valve ball is provided with flow window.
Compared with the prior art the present invention has the following advantages:
1. valve body adopts solid forging, is designed to integral structure, can be high pressure resistant, and runner design can anti-local scour;
2. valve ball be take equal percentage flow characteristic and is determined window shape as design considerations, and it not only has shearing function, and in spheroid rotary course, with the increase of aperture, window has accurately and regulates medium; 1% dead band and return difference are little, and repeatability is high;
3. owing to adopting whole ball but not spherical calotte type valve ball, can high pressure resistant difference, in use valve ball is not yielding, and has outstanding two way sealed performance;
4. adopt noise reduction trim ring, not only can compress valve seat, its uniform bee-hole structure can effectively reduce velocity of medium, at utmost eliminates the liquid of valve and the kinetic noise of gas, can, according to working condition requirement, be designed to multi-layer decompression structure;
5. adopt inner valve stem pressure self-sealing structure, spraying and the metal thrust plane bearing grinding can prevent that medium from entering stuffing box, the surface of grinding can tight seal, can make pipeline pressure become vertical force, and this structure also can prevent from wearing and tearing between valve body, valve rod and inner valve stem;
6. bilateral valve seat adopts planar spring pretension collocation structure, and planar spring is stressed evenly, and it is stressed to rely on valve seat inclined-plane to load, can effective compensation two way sealed power, and make valve seat and valve ball tight seal and reduce and rub;
7. valve ball and valve seat adopt supersonic spray coating equipment at the high Tungsten carbite of sealing surface spraying abrasion-proof or chromium carbide, to form the cementation zone of high densification, high hardness; Surface hardness reaches as high as HRC80 more than generally can reaching HRC55; Seal face materials heatproof generally can reach 500 ° of C, reaches as high as 950 ° of C; Guaranteed the functional reliability of valve under various pressure and temperature range, even if threshold switch also still can guarantee its sealing millions of times.
Accompanying drawing explanation
Fig. 1 is structural representation of the present invention.
Fig. 2 is side view of the present invention.
Fig. 3 is valve ball structure schematic diagram.
Fig. 4 is noise reduction ring pressing construction schematic diagram.
Description of reference numerals: 1-transmission shaft, 2-hold-down grid, 3-Gland, 4-upper cover, 5-packing seal element, 6-upper cover gasket seal, 7-valve body, 8-thrust plane bearing, the upper lining of 9-, 10-valve seal pad, 11-noise reduction trim ring, the left valve seat of 12-, 13-valve ball, the left axial seal filler of 14-, 15-left support ring, 16-left plate spring, 17-fastening screw trip bolt, the right valve seat of 18-, the right axial seal filler of 19-, 20-right support ring, the right planar spring of 21-, 22-chassis driven shaft, 23-chassis gasket seal, lining under 24-, 25-transmission shaft limit dais, 26-noise reduction hole, 27-flow window.
Embodiment
The present invention is below further described in connection with the embodiment in accompanying drawing:
As shown in Figure 1 and 2, the present invention mainly comprises valve body 7, and valve body 7 upper ends are threaded connection upper cover 4, between valve body 7 and upper cover 4, is provided with upper cover gasket seal 6.In valve body 7, be provided with valve ball 13, valve ball 13 upper ends are connected with the tongue-and-groove of transmission shaft 1 by tenon, and upper cover 4 is stretched out in transmission shaft 1 upper end.Between upper cover 4 and transmission shaft 1, be provided with packing seal element 5, upper cover 4 upper ends are bolted hold-down grid 2, are provided with the Gland 3 that compresses packing seal element 5 between hold-down grid 2 and upper cover 4.Transmission shaft 1 bottom is provided with transmission shaft limit dais 25, and transmission shaft limit dais 25 is provided with lining 9, and upper lining 9 upper ends are provided with thrust plane bearing 8.As shown in Figure 3, described valve ball 13 is provided with flow window 27, and it not only has shearing function, and in spheroid rotary course, with the increase of aperture, window has accurately and regulates medium.
Valve ball 13 lower ends are rotationally connected chassis driven shaft 22, and chassis driven shaft 22 is bolted valve body 7.Between described valve ball 13 and chassis driven shaft 22, be provided with lower lining 24, between chassis driven shaft 22 and valve body 7, be provided with chassis gasket seal 23.
Valve body 7 passes on left fastening screw trip bolt 17 and connects noise reduction trim ring 11, between valve body 7 and noise reduction trim ring 11, is provided with valve seal pad 10.Between noise reduction trim ring 11 and valve ball 13, be provided with left valve seat 12, between left valve seat 12 and valve ball 13, form sealing.Between described noise reduction trim ring 11 and left valve seat 12, be from left to right provided with successively left axial seal filler 14, left support ring 15 and left plate spring 16, left plate spring 16 compresses left axial seal filler 14 and left support ring 15.As shown in Figure 4, be evenly provided with a plurality of noise reductions hole 26 on described noise reduction trim ring 11, a plurality of noise reductions hole 26 is cellular distribution.
Between valve body 7 and valve ball 13 right sides, be provided with right valve seat 18, between right valve seat 18 and valve ball 13, form sealing.Between right valve seat 18 and valve body 7, be from left to right provided with successively right planar spring 21, right support ring 20 and right axial seal filler 19, right planar spring 21 compresses right support ring 20 and right axial seal filler 19.
Working principle of the present invention is as follows: valve ball 13 is connected with transmission shaft 1 tongue-and-groove by tenon, is rotationally connected with chassis driven shaft 22 optical axises, forms a fixedly spherical structure.When medium flows from left to right, after valve closing, aid in line pressure, by left plate spring 16, give between left valve seat 12 and valve ball 13 lasting sealing thrust is provided, the right planar spring compensation reaction force of opposite side, makes right valve seat 18 fit tightly with valve ball 13.Valve ball 13 adopts supersonic spray coating equipment at the high Tungsten carbite of sealing surface spraying abrasion-proof or chromium carbide with left valve seat 12, right valve seat 18, to form the cementation zone of high densification, high hardness, coordinate grinding equipment that left valve seat 12, right valve seat 18 are mated to grinding with valve ball 13,100% contact is closely sealed, realizes zero level and leaks two way sealed.Under high flow rate operating mode, when medium enters valve pocket from left to right, noise reduction trim ring 11 by its with circular bee-hole can effectively reduce velocity of medium.
Claims (10)
1. forge formula High Pressure Difference noise reduction V-type adjusting ball valve for one kind, comprise valve body (7), valve body (7) upper end is threaded connection upper cover (4), in valve body (7), be provided with valve ball (13), valve ball (13) upper end is connected with the tongue-and-groove of transmission shaft (1) by tenon, upper cover (4) is stretched out in transmission shaft (1) upper end, it is characterized in that: transmission shaft (1) bottom is provided with transmission shaft limit dais (25), transmission shaft limit dais (25) is provided with lining (9), and upper lining (9) upper end is provided with thrust plane bearing (8); Valve ball (13) lower end is rotationally connected chassis driven shaft (22), and chassis driven shaft (22) is bolted valve body (7); Valve body (7) passes on left fastening screw trip bolt (17) and connects noise reduction trim ring (11), between noise reduction trim ring (11) and valve ball (13), is provided with left valve seat (12), and left valve seat (12) forms sealing with valve ball (13); Between valve body (7) and valve ball (13) right side, be provided with right valve seat (18), right valve seat (18) forms sealing with valve ball (13).
2. forging formula High Pressure Difference noise reduction V-type as claimed in claim 1 regulates ball valve, it is characterized in that: between described valve body (7) and upper cover (4), be provided with upper cover gasket seal (6).
3. forging formula High Pressure Difference noise reduction V-type as claimed in claim 1 regulates ball valve, it is characterized in that: between described upper cover (4) and transmission shaft (1), be provided with packing seal element (5), upper cover (4) upper end is bolted hold-down grid (2), is provided with the Gland (3) that compresses packing seal element (5) between hold-down grid (2) and upper cover (4).
4. forging formula High Pressure Difference noise reduction V-type as claimed in claim 1 regulates ball valve, it is characterized in that: between described valve ball (13) and chassis driven shaft (22), be provided with lower lining (24).
5. forging formula High Pressure Difference noise reduction V-type as claimed in claim 1 regulates ball valve, it is characterized in that: between described chassis driven shaft (22) and valve body (7), be provided with chassis gasket seal (23).
6. forging formula High Pressure Difference noise reduction V-type as claimed in claim 1 regulates ball valve, it is characterized in that: between described valve body (7) and noise reduction trim ring (11), be provided with valve seal pad (10).
7. forging formula High Pressure Difference noise reduction V-type as claimed in claim 1 regulates ball valve, it is characterized in that: between described noise reduction trim ring (11) and left valve seat (12), be from left to right provided with successively left axial seal filler (14), left support ring (15) and left plate spring (16), left plate spring (16) compresses left axial seal filler (14) and left support ring (15).
8. forging formula High Pressure Difference noise reduction V-type as claimed in claim 1 regulates ball valve, it is characterized in that: between described right valve seat (18) and valve body (7), be from left to right provided with successively right planar spring (21), right support ring (20) and right axial seal filler (19), right planar spring (21) compresses right support ring (20) and right axial seal filler (19).
9. forging formula High Pressure Difference noise reduction V-type as claimed in claim 1 regulates ball valve, it is characterized in that: on described noise reduction trim ring (11), be evenly provided with a plurality of noise reductions hole (26), a plurality of noise reductions hole (26) is cellular distribution.
10. forging formula High Pressure Difference noise reduction V-type as claimed in claim 1 regulates ball valve, it is characterized in that: described valve ball (13) is provided with flow window (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310633790.2A CN103672009A (en) | 2013-11-30 | 2013-11-30 | Forged high-differential-pressure noise-reduction V-shaped regulating ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310633790.2A CN103672009A (en) | 2013-11-30 | 2013-11-30 | Forged high-differential-pressure noise-reduction V-shaped regulating ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN103672009A true CN103672009A (en) | 2014-03-26 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310633790.2A Pending CN103672009A (en) | 2013-11-30 | 2013-11-30 | Forged high-differential-pressure noise-reduction V-shaped regulating ball valve |
Country Status (1)
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| CN (1) | CN103672009A (en) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889553A (en) * | 2016-07-04 | 2016-08-24 | 岳阳东方自控工程设备有限公司 | Ball valve with external mechanism for preventing valve rod from being blown out |
| CN108518496A (en) * | 2018-04-03 | 2018-09-11 | 芜湖孺子牛节能环保技术研发有限公司 | A kind of energy saving and environment friendly fluid restriction |
| CN109812595A (en) * | 2019-03-14 | 2019-05-28 | 无锡智能自控工程股份有限公司 | A high-frequency action program-controlled ball valve |
| CN111810665A (en) * | 2020-07-08 | 2020-10-23 | 东莞海特帕沃液压科技有限公司 | Ball valve with valve seat capable of being replaced online |
| CN112128410A (en) * | 2019-06-24 | 2020-12-25 | 杭州三花研究院有限公司 | Fluid management assembly |
| CN114526350A (en) * | 2022-03-08 | 2022-05-24 | 无锡智能自控工程股份有限公司 | High-temperature gas quick adjustment cut-off ball valve |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1811239A (en) * | 2006-02-27 | 2006-08-02 | 张忠巧 | Valve core for flow adjustable ball valve |
| CN101858446A (en) * | 2010-06-13 | 2010-10-13 | 无锡智能自控工程有限公司 | Bi-directional sealed V-shaped regulating ball valve |
| CN202432002U (en) * | 2011-11-14 | 2012-09-12 | 大连亨利测控仪表工程有限公司 | High-pressure difference V-shaped regulating ball valve |
| CN203627876U (en) * | 2013-11-30 | 2014-06-04 | 无锡智能自控工程股份有限公司 | Forging type high pressure difference noise reduction V-shaped adjusting ball valve |
-
2013
- 2013-11-30 CN CN201310633790.2A patent/CN103672009A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1811239A (en) * | 2006-02-27 | 2006-08-02 | 张忠巧 | Valve core for flow adjustable ball valve |
| CN101858446A (en) * | 2010-06-13 | 2010-10-13 | 无锡智能自控工程有限公司 | Bi-directional sealed V-shaped regulating ball valve |
| CN202432002U (en) * | 2011-11-14 | 2012-09-12 | 大连亨利测控仪表工程有限公司 | High-pressure difference V-shaped regulating ball valve |
| CN203627876U (en) * | 2013-11-30 | 2014-06-04 | 无锡智能自控工程股份有限公司 | Forging type high pressure difference noise reduction V-shaped adjusting ball valve |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105889553A (en) * | 2016-07-04 | 2016-08-24 | 岳阳东方自控工程设备有限公司 | Ball valve with external mechanism for preventing valve rod from being blown out |
| CN108518496A (en) * | 2018-04-03 | 2018-09-11 | 芜湖孺子牛节能环保技术研发有限公司 | A kind of energy saving and environment friendly fluid restriction |
| CN108518496B (en) * | 2018-04-03 | 2020-05-12 | 廊坊市派博力克科贸有限公司 | Energy-saving environment-friendly fluid throttling device |
| CN109812595A (en) * | 2019-03-14 | 2019-05-28 | 无锡智能自控工程股份有限公司 | A high-frequency action program-controlled ball valve |
| CN109812595B (en) * | 2019-03-14 | 2024-02-23 | 无锡智能自控工程股份有限公司 | High-frequency action program-controlled ball valve |
| CN112128410A (en) * | 2019-06-24 | 2020-12-25 | 杭州三花研究院有限公司 | Fluid management assembly |
| CN112128410B (en) * | 2019-06-24 | 2022-06-24 | 浙江三花智能控制股份有限公司 | Fluid management assembly |
| CN111810665A (en) * | 2020-07-08 | 2020-10-23 | 东莞海特帕沃液压科技有限公司 | Ball valve with valve seat capable of being replaced online |
| CN114526350A (en) * | 2022-03-08 | 2022-05-24 | 无锡智能自控工程股份有限公司 | High-temperature gas quick adjustment cut-off ball valve |
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Application publication date: 20140326 |