CN114738515A - Integrative wear-resisting ball valve that floats of upper assembling formula of ball arm - Google Patents
Integrative wear-resisting ball valve that floats of upper assembling formula of ball arm Download PDFInfo
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- CN114738515A CN114738515A CN202210416499.9A CN202210416499A CN114738515A CN 114738515 A CN114738515 A CN 114738515A CN 202210416499 A CN202210416499 A CN 202210416499A CN 114738515 A CN114738515 A CN 114738515A
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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
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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
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
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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
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Abstract
The application discloses a ball rod integrated upper-mounted wear-resistant floating ball valve, which comprises a valve body, two valve seats and a valve cover, wherein an integrated ball rod is arranged on the valve cover in a penetrating manner, the two valve seats are respectively positioned in the valve body and are respectively arranged at two sides of the ball core end of the integrated ball rod, one end of any valve seat close to the integrated ball rod is abutted against the ball core end of the integrated ball rod, one end of any valve seat far away from the integrated ball rod is provided with a valve seat press ring, a buckle is arranged on the valve seat press ring, a clamping groove is arranged at the position corresponding to the buckle on the valve body, the buckle and the clamping groove form clamping fit, a sealing assembly for improving the sealing performance of the valve body is arranged between the valve seat press ring and the valve body, the valve seats at two ends of the valve body are clamped and matched with the valve body, and the valve seat is pre-tightened by a second spring disc, the valve seat can be tightly pressed on the integrated ball rod by means of elastic deformation, and the disassembly and assembly speed of the floating ball valve during maintenance can be accelerated, the device has the characteristics of high disassembly speed and high maintenance efficiency.
Description
Technical Field
The utility model belongs to the technical field of the ball valve that floats and specifically relates to a wear-resisting ball valve that floats of integrative facial make-up of ball arm.
Background
With the development of society and the continuous improvement of people's living standard, the requirement on the environment is also higher and higher, in order to reduce the emission of harmful gas in the motor vehicle tail gas. The gasoline desulfurization technology by the S-Zorb adsorption method, which can convert high-sulfur catalytic cracking gasoline into low-sulfur gasoline, is widely applied.
The lock hopper control system (LMS) is the core of the adsorption desulfurization (S-Zorb) device, wherein the lock hopper program controls the ball valve and is the key to the operation of the lock hopper control system.
The lock hopper program control ball valve process medium is the absorbent powder that hydrogen blown, absorbent carrier hardness is high, the valve switch is frequent, medium temperature is high, and the floating ball valve that uses among the correlation technique includes the valve body, the valve rod, ball core and two disk seats, valve rod and ball core can dismantle the connection, two disk seats are established in the valve body and are located the both ends of ball core respectively, when maintaining and changing the disk seat, the disk seat is difficult to pull down alone from the valve body, need pull down ball core and valve rod after can maintaining or change, the dismantlement process is loaded down with trivial details, there is the part of waiting to improve.
Disclosure of Invention
In order to improve the dismantlement speed and the efficiency of ball valve when maintaining or changing the component that floats, this application provides a wear-resisting ball valve that floats of integrative top-mounting of ball pole.
The application provides a wear-resisting ball valve that floats of integrative facial make-up of ball arm adopts following technical scheme:
the utility model provides an integrative wear-resisting ball valve that floats of top-mounting formula of ball arm, includes valve body, disk seat and valve gap, wear to be equipped with the integral type club on the valve gap, the ball core end of integral type club sets up in the valve body, just the valve rod end of integral type club passes the valve gap, the disk seat is provided with two, two the disk seat all is located the valve body and divides to establish in the both sides of integral type club ball core end, arbitrary the one end that the disk seat is close to the integral type club all with its ball core end butt, and arbitrary the one end that the integral type club was kept away from to the disk seat all is provided with the disk seat clamping ring, be provided with the buckle on the disk seat clamping ring, the position that corresponds the buckle on the valve body is provided with the draw-in groove, buckle and draw-in groove form the joint cooperation, be provided with the seal assembly who is used for improving the valve body leakproofness between disk seat clamping ring and the valve body.
Through adopting above-mentioned technical scheme, can compress tightly the disk seat in the valve body through the disk seat clamping ring that sets up at the valve body both ends, and can be with disk seat clamping ring joint on the valve body through the buckle, be convenient for directly pull down the disk seat clamping ring through rotating when carrying out the dismouting, be favorable to improving this ball valve that floats's dismantlement speed and dismantlement efficiency, speed when its ball valve maintenance or replacement component float has been accelerated, and simultaneously, the integral type club can provide more accurate torsion when rotating, prevent to appear connecting the not hard up rotation angle that leads to the ball core and be less than the rotation angle's of valve rod the circumstances because ball core and valve rod rotate.
Preferably, the seal assembly comprises a seal pressing ring, the inner diameter of the seal pressing ring is equal to the outer diameter of the valve body, a valve seat seal ring is arranged between the seal pressing ring and the valve body, and the two axial sides of the valve seat seal ring are respectively in butt fit with the valve seat and the seal pressing ring.
Through adopting above-mentioned technical scheme, the clearance between valve body and the disk seat can be shutoff to the valve seat sealing washer, and through the setting of sealed clamping ring, can tighten up the axial both sides extrusion of valve seat sealing washer, hug closely between valve body and disk seat until the radial both sides of valve seat sealing washer to this valve seat sealing washer has further improved the leakproofness of floating the ball valve.
Preferably, the sealing assembly further comprises a first disc spring, and two ends of the first disc spring are respectively abutted to the valve seat and the valve seat pressing ring.
Through adopting above-mentioned technical scheme, the effect of pretension can be played in setting up of first dish spring, and elastic deformation and the joint through first dish spring set up the disk seat clamping ring on the valve body, can sticis the disk seat in the ball core end of integral type club to further improve this ball valve that floats's leakproofness.
Preferably, the one end integrated into one piece that the disk seat is close to the disk seat clamping ring has the butt rimmed, the butt groove has been seted up to the position that corresponds the butt rimmed on the disk seat clamping ring, the butt rimmed forms the butt cooperation with butt groove, just first dish spring is located between butt rimmed and the disk seat clamping ring.
Through adopting above-mentioned technical scheme, through the butt in butt flange and butt groove, can fix a position the interval between disk seat and the disk seat clamping ring to play limiting displacement to the disk seat clamping ring, prevent that it from leading to the disk seat clamping ring to be difficult to form the joint cooperation with the valve body when the installation owing to stretch into the overlength. Simultaneously also can provide installation space for first dish spring, prevent that the pretightning force of first dish spring to the disk seat is too big to lead to the integral type club to be difficult to the pivoted condition to take place.
Preferably, a scraping angle is formed at one end, close to the integrated ball rod, of the valve seat, and the scraping angle is abutted to the ball core end of the integrated ball rod.
Through adopting above-mentioned technical scheme, the setting up of scraping the material angle can play the effect similar to the scraper, is favorable to scraping the solid medium of core end on the integral type club, prevents that core and disk seat from being by the adhesion of solid medium.
Preferably, a mounting hole is formed in one side, away from the valve rod end, of the ball core end of the integrated ball rod, a spring is arranged in the mounting hole, and a steel ball is arranged on one side, away from the bottom wall of the mounting hole, of the spring.
Through adopting above-mentioned technical scheme, the setting up of spring and steel ball can be adjusted the interval of the core end of integral type club and valve body inner wall, and the steel ball can reduce the frictional force between the two.
Preferably, a packing hole is formed in the valve cover, the valve rod end of the integrated ball rod penetrates through the packing hole, a packing gasket is arranged between the valve rod end of the integrated ball rod and the packing hole, a packing gland is arranged on the valve cover in an inserted connection mode, one end, close to the valve cover, of the packing gland is matched with the packing hole in an inserted connection mode, and the two axial ends of the packing gasket are abutted to the packing gland and the valve cover respectively.
Through adopting above-mentioned technical scheme, the setting of packing pad can carry out the shutoff to the gap between integral type ball rod valve rod end and the filler hole, and gland's setting can compress tightly the packing pad simultaneously, makes its radial both sides expansion, has further improved the sealed effect of packing pad to the filler hole.
Preferably, the packing gland is provided with a fixing bolt, the packing gland and the valve cover are in threaded connection, and a second disc spring is arranged between the nut end of the fixing bolt and the packing gland.
Through adopting above-mentioned technical scheme, fixing bolt's setting can prevent that gland when receiving great medium pressure, takes place from the condition of punching out on the valve cap, and the setting of second dish spring is favorable to carrying out the pretension to gland, has improved fixing bolt to gland's installation compactness.
In summary, the present application includes at least one of the following beneficial technical effects:
1. the valve seat pressing ring clamped on the valve body is utilized, so that the valve seat can be pressed, and the loading and unloading speed and the loading and unloading efficiency of the floating ball valve can be realized, and the speed of the floating ball valve during maintenance or element replacement is increased;
2. by means of the arrangement of the first disc spring, the valve seat can be pre-tightened, so that the valve seat is tightly pressed at the ball core end of the integrated ball rod, and the sealing performance of the floating ball valve is further improved;
3. through the setting of disk seat sealing washer and sealed clamping ring, can hug closely the radial both sides of disk seat sealing washer between valve body and disk seat through the extrusion to this disk seat sealing washer has further improved the leakproofness to the ball valve that floats.
Drawings
Fig. 1 is an axial view of an integral structure of a ball-stem integrated top-mounted wear-resistant floating ball valve according to an embodiment of the present application;
FIG. 2 is an exploded schematic view of a clamping structure of a valve seat pressing ring and a valve body according to the embodiment of the present application;
fig. 3 is an exploded schematic view of an internal structure of a ball-stem integrated top-mounted wear-resistant floating ball valve according to an embodiment of the present application.
Reference numerals: 1. a valve body; 11. a card slot; 2. a valve seat; 21. scraping a material corner; 22. a valve seat is pressed; 221. buckling; 222. a butt joint groove; 23. abutting the edge; 3. a valve cover; 31. a filler hole; 32. a filler pad; 33. a packing gland; 331. fixing the bolt; 34. a second disc spring; 4. an integral cue; 41. mounting holes; 42. a spring; 43. steel balls; 5. a seal assembly; 51. sealing the pressure ring; 52. a valve seat sealing ring; 53. a first disc spring.
Detailed Description
The present application is described in further detail below with reference to figures 1-3.
The embodiment of the application discloses wear-resisting ball valve that floats of integrative upper assembling formula of club.
Referring to fig. 1, a wear-resisting ball valve that floats of integrative facial make-up of ball arm includes valve body 1, disk seat 2 and valve gap 3, wear to be equipped with integral type ball arm 4 on the valve gap 3, the valve rod end of integral type ball arm 4 passes valve gap 3 and extends to one side of keeping away from valve body 1, and the ball core end setting of integral type ball arm 4 is in valve body 1, in this embodiment, disk seat 2 is provided with two, and two disk seats 2 divide and establish the both sides that are located integral type ball arm 4 ball core end at valve body 1, because the structure of two disk seats 2 and the mounting means homogeneous phase in valve body 1 are the same, explain now with one of them disk seat 2 as an example:
referring to fig. 1 and 2, a scraping angle 21 is formed at one end, close to the integrated ball rod 4, of the valve seat 2, the scraping angle 21 is abutted to a ball core end of the integrated ball rod 4, a valve seat pressing ring 22 is arranged at one end, away from the integrated ball rod 4, of the valve body 1, a buckle 221 is formed at the edge of the valve seat pressing ring 22, a clamping groove 11 is formed in the position, corresponding to the buckle 221, of the valve body 1, the buckle 221 and the clamping groove 11 form clamping fit, quick disassembly of the valve seat pressing ring 22 can be achieved through clamping, meanwhile, the valve seat 2 can be extruded on the ball core end of the integrated ball rod 4, the stability of installation of the valve seat 2 is improved, and meanwhile, a sealing assembly 5 is arranged between the valve seat 2 and the inner wall of the valve body 1;
referring to fig. 2 and 3, the sealing assembly 5 includes a sealing press ring 51, a valve seat sealing ring 52 and a first disc spring 53, the inner diameter of the sealing press ring 51 is equal to the outer diameter of the valve body 1, the sealing press ring 51 and the valve seat sealing ring 52 are sleeved on the valve body 1, the valve seat sealing ring 52 is located between the inner wall of the valve body 1 and the sealing press ring 51, and the two axial ends of the valve seat sealing ring 52 can be squeezed and tightened by squeezing of the sealing press ring 51, so that the two radial sides of the valve seat sealing ring 52 are tightly attached between the valve body 1 and the valve seat 2, and the sealing performance of the valve seat sealing ring 52 on the floating ball valve is further improved;
referring to fig. 2 and 3, an abutting edge 23 is integrally formed at one end of the valve seat 2 close to the valve seat pressing ring 22, an abutting groove 222 is formed in the valve seat pressing ring 22 corresponding to the shape and position of the abutting edge 23, the abutting edge 23 is in abutting fit with the abutting groove 222, and a mounting gap is formed between the abutting edge 23 and the abutting groove 222, the first disc spring 53 is located in the mounting gap, two ends of the first disc spring 53 are respectively abutted to the valve seat 2 and the valve seat pressing ring 22, the abutting edge 23 and the abutting groove 222 can limit the distance between the valve seat 2 and the valve seat pressing ring 22, and position the mounting depth of the valve seat pressing ring 22, so that the valve seat 22 is prevented from being difficult to form clamping fit with the valve body 1 due to overlong depth during mounting, the first disc spring 53 can play a role in pre-tightening the valve seat 2, the elastic deformation of the first disc spring 53 and the setting of the valve seat pressing ring 22 can tightly press the valve seat 2 at the ball core end of the integrated ball rod 4, thereby further improving the sealing performance of the floating ball valve.
Referring to fig. 2 and 3, a mounting hole 41 is formed in one side, away from the valve rod end, of the core end of the integrated ball rod 4, a spring 42 is arranged in the mounting hole 41, and a steel ball 43 is arranged on one side, away from the bottom wall of the mounting hole 41, of the spring 42, so that the distance between the core end of the integrated ball rod 4 and the inner wall of the valve body 1 can be properly adjusted, and the friction force between the core end and the inner wall of the valve body 1 is properly reduced.
Referring to fig. 2 and 3, a packing hole 31 is formed on the bonnet 3, a stem end of the one-piece ball valve passes through the packing hole 31, a packing pad 32 is provided in the packing hole 31, the ball rod sealing device is used for sealing a gap between the valve rod end of the integrated ball rod 4 and the packing hole 31, the valve cover 3 is also provided with a packing gland 33, one end of the packing gland 33 close to the valve cover 3 is in plug fit with the packing hole 31 and can extrude the packing pad 32 to slightly expand the radial two sides of the packing pad 32, the sealing effect of the packing pad 32 on the packing hole 31 is further improved, the packing gland 33 is also provided with a fixing bolt 331, the fixing bolt 331 is in threaded connection with the packing gland 33 and the valve cover 3, and a second disc spring 34 for pre-tightening the packing gland 33 is arranged between the nut end of the fixing bolt 331 and the packing gland 33, which is beneficial to further improving the installation tightness of the fixing bolt 331 on the packing gland 33.
The implementation principle of the integrative wear-resisting ball valve that floats of upper assembling type of club of the embodiment of this application is: when needing to dismantle this valve, screw off the bolt on the disk seat clamping ring 22 earlier, later rotate disk seat clamping ring 22 make it break away from and the valve body 1 between the joint, and take off two disk seat clamping rings 22 afterwards, pull down two disk seats 2 and sealed clamping ring 51 and disk seat sealing washer 52 again, disk seat 2 is whole to be demolishd and is accomplished this moment, pull down fixing bolt 331 again, take off gland 33, take out valve gap 3 and integral type club 4 together at last and can carry out the maintenance and the change of this ball valve internal component, the dismouting is fast, the maintenance efficiency is high.
The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: equivalent changes in structure, shape and principle of the present application shall be covered by the protection scope of the present application.
Claims (8)
1. The utility model provides a wear-resisting ball valve that floats of integrative upper assembling of ball arm which characterized in that: the ball valve comprises a valve body (1), a valve seat (2) and a valve cover (3), wherein an integrated ball rod (4) is arranged on the valve cover (3) in a penetrating manner, the ball core end of the integrated ball rod (4) is arranged in the valve body (1), the valve rod end of the integrated ball rod (4) penetrates through the valve cover (3), the valve seats (2) are arranged in two, the two valve seats (2) are respectively arranged in the valve body (1) and on two sides of the ball core end of the integrated ball rod (4), one end, close to the integrated ball rod (4), of any valve seat (2) is abutted to the ball core end of the valve seat, one end, far away from the integrated ball rod (4), of any valve seat (2) is provided with a valve seat clamping ring (22), a clamping buckle (221) is arranged on the valve seat clamping ring (22), a clamping groove (11) is arranged on the valve body (1) corresponding to the clamping buckle (221), and the clamping groove (11) form clamping fit, a sealing assembly (5) used for improving the sealing performance of the valve body (1) is arranged between the valve seat pressing ring (22) and the valve body (1).
2. The ball rod integrated top-loading type wear-resistant floating ball valve according to claim 1, characterized in that: seal assembly (5) are including sealed clamping ring (51), the internal diameter of sealed clamping ring (51) equals the external diameter of valve body (1), be provided with valve seat sealing washer (52) between sealed clamping ring (51) and valve body (1), the axial both sides of valve seat sealing washer (52) form the butt cooperation with valve seat (2) and sealed clamping ring (51) respectively.
3. The ball rod integrated top-loading type wear-resistant floating ball valve according to claim 2, characterized in that: the sealing assembly (5) further comprises a first disc spring (53), and two ends of the first disc spring (53) are respectively abutted to the valve seat (2) and the valve seat pressing ring (22).
4. The ball rod integrated top-loading type wear-resistant floating ball valve according to claim 3, characterized in that: one end integrated into one piece that disk seat (2) are close to disk seat clamping ring (22) has butt edgewise (23), butt groove (222) have been seted up to the position that corresponds butt edgewise (23) on disk seat clamping ring (22), butt edgewise (23) form the butt cooperation with butt groove (222), just first dish spring (53) are located between butt edgewise (23) and disk seat clamping ring (22).
5. The ball rod integrated top-loading type wear-resistant floating ball valve according to claim 1, characterized in that: and a scraping angle (21) is formed at one end, close to the integrated ball rod (4), of the valve seat (2), and the scraping angle (21) is abutted to the ball core end of the integrated ball rod (4).
6. The ball rod integrated top-loading type wear-resistant floating ball valve according to claim 1, characterized in that: a mounting hole (41) is formed in one side, away from the valve rod end, of the ball core end of the integrated ball rod (4), a spring (42) is arranged in the mounting hole (41), and a steel ball (43) is arranged on one side, away from the bottom wall of the mounting hole (41), of the spring (42).
7. The ball rod integrated top-mounted wear-resistant floating ball valve according to claim 1, characterized in that: the ball valve is characterized in that a filling hole (31) is formed in the valve cover (3), a valve rod end of the integrated ball rod (4) penetrates through the filling hole (31), a filling pad (32) is arranged between the valve rod end of the integrated ball rod (4) and the filling hole (31), a filling gland (33) is arranged on the valve cover (3) in an inserted connection mode, one end, close to the valve cover (3), of the filling gland (33) is matched with the filling hole (31) in an inserted connection mode, and the two axial ends of the filling pad (32) are abutted to the filling gland (33) and the valve cover (3) respectively.
8. The ball rod integrated top-loading type wear-resistant floating ball valve according to claim 2, characterized in that: the packing gland (33) is provided with a fixing bolt (331), the fixing bolt (331) is in threaded connection with the packing gland (33) and the valve cover (3), and a second disc spring (34) is arranged between the nut end of the fixing bolt (331) and the packing gland (33).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210416499.9A CN114738515A (en) | 2022-04-20 | 2022-04-20 | Integrative wear-resisting ball valve that floats of upper assembling formula of ball arm |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210416499.9A CN114738515A (en) | 2022-04-20 | 2022-04-20 | Integrative wear-resisting ball valve that floats of upper assembling formula of ball arm |
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| Publication Number | Publication Date |
|---|---|
| CN114738515A true CN114738515A (en) | 2022-07-12 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210416499.9A Pending CN114738515A (en) | 2022-04-20 | 2022-04-20 | Integrative wear-resisting ball valve that floats of upper assembling formula of ball arm |
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| Country | Link |
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| CN (1) | CN114738515A (en) |
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| CN107461510A (en) * | 2017-06-27 | 2017-12-12 | 重庆特通阀门有限公司 | A kind of self-cleaning lock slag valve of coal chemical industry good antiscale property |
| CN207406817U (en) * | 2017-10-17 | 2018-05-25 | 浙江万胜智能科技股份有限公司 | A kind of dynamic sealing low-power consumption electrical ball valve |
| CN108458125A (en) * | 2017-12-28 | 2018-08-28 | 湖北泰和石化设备有限公司 | A kind of ultralow temperature on-bne repair ball valve |
| CN208204052U (en) * | 2018-04-13 | 2018-12-07 | 东南管阀股份有限公司 | Nut socket joint anticreep valve |
| CN209041629U (en) * | 2018-10-31 | 2019-06-28 | 天津欧通流体控制设备有限公司 | A kind of LNG ultralow temperature ball valve base |
| CN216344037U (en) * | 2021-05-17 | 2022-04-19 | 上海高中压阀门股份有限公司 | High-temperature hard sealing ball valve |
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2022
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20080009395A (en) * | 2006-07-24 | 2008-01-29 | 구종환 | Top entry type metal seat ball valve structure |
| CN101101067A (en) * | 2007-07-19 | 2008-01-09 | 吴金龙 | Middle and high pressure bidirectional pressure seal butterfly valve |
| CN102410381A (en) * | 2011-08-10 | 2012-04-11 | 重庆川仪特种阀门修造有限公司 | Bidirectional hard seal ball valve for coal chemical industry |
| CN203009897U (en) * | 2012-12-30 | 2013-06-19 | 江苏理想阀门有限公司 | Internal-adjustment overall ball valve for top assembling at high temperature |
| CN204267789U (en) * | 2014-11-20 | 2015-04-15 | 福建八骏马节能科技有限公司 | A kind of washbasin clear water faucet |
| CN105840858A (en) * | 2016-06-04 | 2016-08-10 | 江苏神通阀门股份有限公司 | Side-mounted type floating ball valve |
| CN107461510A (en) * | 2017-06-27 | 2017-12-12 | 重庆特通阀门有限公司 | A kind of self-cleaning lock slag valve of coal chemical industry good antiscale property |
| CN207406817U (en) * | 2017-10-17 | 2018-05-25 | 浙江万胜智能科技股份有限公司 | A kind of dynamic sealing low-power consumption electrical ball valve |
| CN108458125A (en) * | 2017-12-28 | 2018-08-28 | 湖北泰和石化设备有限公司 | A kind of ultralow temperature on-bne repair ball valve |
| CN208204052U (en) * | 2018-04-13 | 2018-12-07 | 东南管阀股份有限公司 | Nut socket joint anticreep valve |
| CN209041629U (en) * | 2018-10-31 | 2019-06-28 | 天津欧通流体控制设备有限公司 | A kind of LNG ultralow temperature ball valve base |
| CN216344037U (en) * | 2021-05-17 | 2022-04-19 | 上海高中压阀门股份有限公司 | High-temperature hard sealing ball valve |
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