CN110541946B - Wear-resisting ball valve capable of resisting high temperature and high pressure - Google Patents
Wear-resisting ball valve capable of resisting high temperature and high pressure Download PDFInfo
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- CN110541946B CN110541946B CN201910782743.1A CN201910782743A CN110541946B CN 110541946 B CN110541946 B CN 110541946B CN 201910782743 A CN201910782743 A CN 201910782743A CN 110541946 B CN110541946 B CN 110541946B
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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
- F16K35/00—Means to prevent accidental or unauthorised actuation
- F16K35/02—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action
- F16K35/022—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element
- F16K35/025—Means to prevent accidental or unauthorised actuation to be locked or disconnected by means of a pushing or pulling action the locking mechanism being actuated by a separate actuating element said actuating element being operated manually (e.g. a push-button located in the valve actuator)
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0647—Spindles or actuating means
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0689—Packings between housing and plug
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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
- F16K5/205—Sealing effected by the flowing medium
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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 wear-resistant ball valve capable of resisting high temperature and high pressure, which comprises a valve body, wherein the upper end of the valve body is provided with a control hole, a control assembly is arranged in the control hole, the lower end of the control assembly is provided with an execution assembly, and the execution assembly is arranged in the valve body. The invention can solve the following problems in the existing oil gas using ball valve control conveying process, a, the existing ball valve is mainly made of metal materials, the friction force among ball valve parts is large, mechanical abrasion is easy to occur when the ball valve is frequently used, so that the ball valve cannot be normally used, b, the sealing performance requirement is high when the ball valve conveys gas, and the existing ball valve is easy to damage the air sealing performance after abrasion in use, has poor abrasion resistance, is easy to cause oil gas leakage, and has potential safety hazards.
Description
Technical Field
The invention relates to the technical field of oil-gas valve conveying, in particular to a wear-resistant ball valve capable of resisting high temperature and high pressure.
Background
Petroleum and natural gas are important material resources in China, the petroleum and natural gas are utilized and conveyed by adopting a pipeline in a common mode, the effect of oil gas conveying can be effectively controlled by a valve arranged on the pipeline, and the safety of oil gas in the conveying operation is directly influenced by the using effect of the valve.
However, the following difficult problems existing in the existing oil gas use ball valve control conveying process are solved by the aid of the prior ball valve, a, the prior ball valve is mainly made of metal materials, friction force between ball valve parts is large, mechanical abrasion is easy to occur due to frequent use, the ball valve cannot be normally used, b, the sealing performance requirement is high when the ball valve conveys gas, the air sealing performance of the prior ball valve is easy to damage due to abrasion, the wear resistance is poor, oil gas leakage is easy to cause, and potential safety hazards exist.
Regarding some problems of ball valves in oil and gas transmission operation, research has been made in related industries, and specific technical solutions have been proposed, for example, a ball valve of chinese utility model patent No. 2017207069825, through improving the wear of the partial structure of the lower valve stem, the phenomenon of torque increase after the ball valve is frequently opened is effectively improved, however, there is no concern about some problems of ball valves in oil and gas transmission operation mentioned in the above.
Disclosure of Invention
In order to solve the problems, the invention provides a wear-resistant ball valve capable of resisting high temperature and high pressure, which can solve the problems of the ball valve in oil and gas conveying operation.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose: a wear-resistant ball valve capable of resisting high temperature and high pressure comprises a valve body, wherein a control hole is formed in the upper end of the valve body, a control assembly is arranged in the control hole, an execution assembly is installed at the lower end of the control assembly, and the execution assembly is arranged in the valve body;
the executing assembly comprises an executing ball arranged in the valve body through a bearing, a through hole is formed in the executing ball, closing parts are symmetrically arranged on the left side and the right side of the inner wall of the through hole, and connecting blocks are symmetrically arranged on the inner walls of the left side and the right side of the valve body.
The connecting block comprises a connecting air pipe fixed on the inner wall of the valve body, the cross section of the connecting air pipe is of a U-shaped structure, a driven rubber pad is arranged on the inner wall of an outer ring of the connecting air pipe in a sliding fit mode, a driven rod is uniformly arranged on the driven rubber pad, a connecting rubber pad is arranged on the inner wall of an inner ring of the connecting air pipe in a sliding mode, a connecting operation frame is arranged on the connecting rubber pad in a sliding mode, the connecting operation frame is abutted against the telescopic pipe, the telescopic pipe is connected in the through hole, and an.
The control assembly is including installing the control lever on carrying out the ball, the control lever is located the control hole, be provided with the threading chamber on the control lever, the control chamber has been seted up to the lower extreme of control lever, threading chamber and control chamber UNICOM, evenly be provided with the control piece along its circumference direction on the outer wall in control chamber, be provided with the control block through adjusting the spring beam on the control chamber, the upper end of control block links to each other with the one end of control rope, the other end of control rope is connected on the control buckle through the threading chamber, the control buckle passes through the round pin hub connection on the control lever, be provided with the control spring beam between control lever and the control buckle.
Preferably, the closing piece comprises a closing ring sleeved on the outer wall of the telescopic pipe, a pneumatic frame is arranged on the inner wall of the through hole, a closing plate is fixed at the middle part of the pneumatic frame, a pneumatic hole is formed in the closing plate, a rubber air bag is arranged in the pneumatic hole, a pneumatic rubber plate is arranged in the pneumatic frame in a sliding mode, a pneumatic rod is evenly arranged on the pneumatic rubber plate, and the pneumatic rod penetrates through the pneumatic frame in a sliding mode.
Preferably, the diameter of the control block is a stepped structure which increases from top to bottom, and the step of the control block is an inclined structure.
Preferably, the control module is provided with the locating lever through sliding fit mode including seting up the locating hole on the control chamber in the locating hole, and the cover is equipped with the spring on the locating lever, and the locating lever is located the inboard one end of control chamber and supports and lean on the control block, and the locating plate is installed to the other end of locating lever, is provided with the stripper bar on the locating plate.
Preferably, the control chamber is evenly provided with extrusion grooves, the extrusion grooves are symmetrically located on the left side and the right side of the positioning hole, a rotating frame in a V-shaped structure is arranged in the extrusion grooves through a pin shaft, rotating balls are arranged on the rotating frame, and springs are arranged between the rotating frame and the extrusion grooves.
Preferably, the outer wall of the execution ball is uniformly provided with a rotating rail, the rotating rail is abutted against a driven rod, and the rotating rail is of an arc structure.
Preferably, the driven rubber pad, the connecting rubber pad, the annular rubber pad, the rubber air bag and the pneumatic rubber plate are all made of nitrile rubber.
The invention has the beneficial effects that:
1. the invention can solve the following problems in the existing oil gas using ball valve control conveying process, a, the existing ball valve is mainly made of metal materials, the friction force among ball valve parts is large, mechanical abrasion is easy to occur when the ball valve is frequently used, so that the ball valve cannot be normally used, b, the sealing performance requirement is high when the ball valve conveys gas, and the existing ball valve is easy to damage the air sealing performance after abrasion in use, has poor abrasion resistance, is easy to cause oil gas leakage, and has potential safety hazards. The function of oil gas seal conveying can be realized.
2. The control assembly designed by the invention can ensure the accuracy of the operation of the ball valve, can accurately control the opening and closing of the ball valve, can reduce the friction force in the opening and closing operation of the ball valve by rotating the ball, and can prolong the service life of ball valve parts.
3. The execution assembly designed by the invention adopts a rubber sealing connection mode, so that the abrasion of the ball valve in use can be reduced, the service life of the ball valve is prolonged, and the adopted nitrile rubber has the characteristics of high temperature resistance besides wear resistance and good characteristics and can ensure the sealing property of the ball valve in particular in conveying.
Drawings
The invention is further illustrated with reference to the following figures and examples.
FIG. 1 is a cross-sectional view of the present invention;
FIG. 2 is an enlarged view of the invention taken from the direction I of FIG. 1;
FIG. 3 is an enlarged view of a portion of the invention in the Y-direction of FIG. 1;
FIG. 4 is an enlarged view of the invention taken from the line D of FIG. 1;
fig. 5 is a top view of the invention between the actuator ball and the rotational rail.
Detailed Description
The embodiments of the invention will be described in detail below with reference to the drawings, but the invention can be implemented in many different ways as defined and covered by the claims.
As shown in fig. 1 to 5, a wear-resistant ball valve capable of resisting high temperature and high pressure comprises a valve body 1, a control hole is formed in the upper end of the valve body 1, a control assembly 2 is arranged in the control hole, an execution assembly 3 is installed at the lower end of the control assembly 2, and the execution assembly 3 is arranged in the valve body 1.
The control assembly 2 comprises a control rod 21 arranged on the execution ball 31, the control rod 21 is positioned in a control hole, a threading cavity is arranged on the control rod 21, a control cavity 22 is formed in the lower end of the control rod 21 and is communicated with the control cavity 22, control blocks 23 are uniformly arranged on the outer wall of the control cavity 22 along the circumferential direction of the control cavity, a control block 25 is arranged on the control cavity 22 through an adjusting spring rod 24, the upper end of the control block 25 is connected with one end of a control rope 26, the other end of the control rope 26 is connected to a control buckle plate 27 through the threading cavity, the control buckle plate 27 is connected to the control rod 21 through a pin shaft, and a control spring rod 28 is arranged between the control rod 21 and the control buckle; the resilient force of the control spring lever 28 is greater than the force of the adjustment spring lever 24.
The diameter of the control block 25 is a stepped structure which increases from top to bottom, and the stepped part of the control block 25 is an inclined structure.
The control block 23 comprises a positioning hole formed in the control cavity 22, a positioning rod 231 is arranged in the positioning hole in a sliding fit mode, a spring is sleeved on the positioning rod 231, one end, located on the inner side of the control cavity 22, of the positioning rod 231 abuts against the control block 25, a positioning plate 232 is mounted at the other end of the positioning rod 231, and an extrusion rod 233 is arranged on the positioning plate 232.
Extrusion grooves are uniformly formed in the control cavity 22 and are symmetrically located on the left side and the right side of the positioning hole, a rotating frame 234 which is of a V-shaped structure is arranged in each extrusion groove through a pin shaft, a rotating ball 235 is arranged on each rotating frame 234, and a spring is arranged between each rotating frame 234 and each extrusion groove.
When the control valve needs to be opened and closed, the control pinch plate 27 is pressed inwards to extrude the control spring rod 28, the control block 25 of the adjusting spring rod 24 moves downwards to enable the positioning plate 232 to be drawn out of the control hole, the positioning plate 232 rotates the rotating frame 234 through the extrusion rod 233 in motion, so that the rotating ball 235 is abutted against the inner wall of the control hole, the control pinch plate 27 is loosened after the control rod 21 drives the execution ball 31 to be adjusted to a proper position for fixing, the control spring rod 28 drives the control block 25 to reset, the positioning plate 232 fixes the position of the control rod 21, and the accuracy of opening and closing of the valve is ensured.
The actuating assembly 3 comprises an actuating ball 31 mounted inside the valve body 1 through a bearing, a through hole is formed in the actuating ball 31, closing parts 32 are symmetrically arranged on the left side and the right side of the inner wall of the through hole, and connecting blocks 33 are symmetrically arranged on the inner walls of the left side and the right side of the valve body 1.
The connecting block 33 comprises a connecting air pipe 331 fixed on the inner wall of the valve body 1, the cross section of the connecting air pipe 331 is of a U-shaped structure, a driven rubber pad 332 is arranged on the inner wall of the outer ring of the connecting air pipe 331 in a sliding fit mode, driven rods 333 are uniformly arranged on the driven rubber pad 332, a connecting rubber pad 334 is arranged on the inner wall of the inner ring of the connecting air pipe 331 in a sliding mode, a connecting operation frame 335 is arranged on the connecting rubber pad 334, the connecting operation frame 335 abuts against a telescopic pipe 337, the telescopic pipe 337 is connected in a through hole, and an annular rubber pad 336 is arranged on.
The closing part 32 comprises a closing ring 321 sleeved on the outer wall of the telescopic pipe 335, a pneumatic frame 322 is arranged on the inner wall of the through hole, a closing plate 323 is fixed in the middle of the pneumatic frame 322, a pneumatic hole is formed in the closing plate 323, a rubber air bag 324 is arranged in the pneumatic hole, a pneumatic rubber plate 325 is arranged in the pneumatic frame 322 in a sliding mode, pneumatic rods 326 are evenly arranged on the pneumatic rubber plate 325, and the pneumatic rods 326 penetrate through the pneumatic frame 322 in a sliding mode.
The outer wall of the executing ball 31 is uniformly provided with rotating rails 34, driven rods 333 abut against the rotating rails 34, and the rotating rails 34 are of arc structures.
The driven rubber pad 332, the connecting rubber pad 334, the annular rubber pad 336, the rubber air bag 324 and the pneumatic rubber plate 325 are all made of nitrile rubber.
When the execution ball 31 rotates, the rotating rail 34 is controlled to rotate synchronously, the rotating rail 34 extrudes the driven rod 333 in the movement, the driven rod 333 extrudes air in the connecting air pipe 331 after being extruded, so that the connecting operation frame 335 is pushed through the connecting rubber pad 334 for adjustment, the connecting operation frame 335 controls the telescopic pipe 337 to be inserted into the through hole, and the connecting operation frame 335 pushes the telescopic pipe 337 and simultaneously tightly extrudes the annular rubber pad 336 on the execution ball 31 for sealing operation.
When the telescopic tube 337 is inserted into the through hole, in order to further ensure the effect of air tightness, the telescopic tube 337 drives the closing ring 321 to extrude the pneumatic rod 326, the pneumatic rod 326 presses the air inside the pneumatic frame 322 into the rubber air bag 324 through the pneumatic rubber plate 325, and the rubber air bag 324 is inflated and expanded to fill the gap between the telescopic tube 337 and the through hole, thereby achieving the purpose of sealing.
The foregoing illustrates and describes the principles, general features, and advantages of the present invention. It will be understood by those skilled in the art that the present invention is not limited to the embodiments described above, which are given by way of illustration of the principles of the present invention, and that various changes and modifications may be made without departing from the spirit and scope of the invention as defined by the appended claims. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (6)
1. A wear-resistant ball valve capable of resisting high temperature and high pressure comprises a valve body (1), and is characterized in that a control hole is formed in the upper end of the valve body (1), a control assembly (2) is arranged in the control hole, an execution assembly (3) is installed at the lower end of the control assembly (2), and the execution assembly (3) is arranged in the valve body (1);
the actuating assembly (3) comprises an actuating ball (31) arranged in the valve body (1) through a bearing, a through hole is formed in the actuating ball (31), closing parts (32) are symmetrically arranged on the left side and the right side of the inner wall of the through hole, and connecting blocks (33) are symmetrically arranged on the inner walls of the left side and the right side of the valve body (1);
the connecting block (33) comprises a connecting air pipe (331) fixed on the inner wall of the valve body (1), the section of the connecting air pipe (331) is of a U-shaped structure, a driven rubber pad (332) is arranged on the inner wall of an outer ring of the connecting air pipe (331) in a sliding fit mode, driven rods (333) are uniformly arranged on the driven rubber pad (332), a connecting rubber pad (334) is arranged on the inner wall of an inner ring of the connecting air pipe (331) in a sliding mode, a connecting operation frame (335) is arranged on the connecting rubber pad (334) in a sliding mode, the connecting operation frame (335) abuts against the telescopic pipe (337), the telescopic pipe (337) is connected in the through hole, and an annular rubber pad (336);
control assembly (2) is including installing control lever (21) on carrying out ball (31), control lever (21) are located the control hole, be provided with the threading chamber on control lever (21), control chamber (22) have been seted up to the lower extreme of control lever (21), the threading chamber communicates with control chamber (22), evenly be provided with control piece (23) along its circumference direction on the outer wall of control chamber (22), be provided with control block (25) through adjusting spring pole (24) on control chamber (22), the upper end of control block (25) links to each other with the one end of control rope (26), the other end of control rope (26) is connected on control buckle (27) through the threading chamber, control buckle (27) are through round pin hub connection on control lever (21), be provided with control spring pole (28) between control lever (21) and control buckle (27).
2. A wear-resistant ball valve capable of withstanding high temperatures and high pressures according to claim 1, wherein: the sealing element (32) comprises a sealing ring (321) sleeved on the outer wall of the telescopic pipe (335), a pneumatic frame (322) is arranged on the inner wall of the through hole, a sealing plate (323) is fixed in the middle of the pneumatic frame (322), a pneumatic hole is formed in the sealing plate (323), a rubber air bag (324) is arranged in the pneumatic hole, a pneumatic rubber plate (325) is arranged in the pneumatic frame (322) in a sliding mode, pneumatic rods (326) are evenly arranged on the pneumatic rubber plate (325), and the pneumatic rods (326) penetrate through the pneumatic frame (322) in a sliding mode.
3. A wear-resistant ball valve capable of withstanding high temperatures and high pressures according to claim 1, wherein: the diameter of the control block (25) is of a stepped structure which is increased from top to bottom, and the step of the control block (25) is of an inclined structure.
4. A wear-resistant ball valve capable of withstanding high temperatures and high pressures according to claim 1, wherein: the control module (23) is provided with locating lever (231) including seting up the locating hole on control chamber (22) in the locating hole through sliding fit mode, and the cover is equipped with the spring on locating lever (231), and the one end that locating lever (231) are located control chamber (22) inboard is supported and is leaned on control block (25), and locating plate (232) are installed to the other end of locating lever (231), are provided with on locating plate (232) extrusion stem (233).
5. A wear-resistant ball valve capable of withstanding high temperatures and high pressures according to claim 1, wherein: extrusion grooves are uniformly formed in the control cavity (22), the extrusion grooves are symmetrically located on the left side and the right side of the positioning hole, a rotating frame (234) in a V-shaped structure is arranged in each extrusion groove through a pin shaft, rotating balls (235) are arranged on the rotating frame (234), and springs are arranged between the rotating frame (234) and the extrusion grooves.
6. A wear-resistant ball valve capable of withstanding high temperatures and high pressures according to claim 1, wherein: the outer wall of the execution ball (31) is uniformly provided with a rotating rail (34), the rotating rail (34) is abutted against a driven rod (333), and the rotating rail (34) is of an arc structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910782743.1A CN110541946B (en) | 2019-08-23 | 2019-08-23 | Wear-resisting ball valve capable of resisting high temperature and high pressure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910782743.1A CN110541946B (en) | 2019-08-23 | 2019-08-23 | Wear-resisting ball valve capable of resisting high temperature and high pressure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110541946A CN110541946A (en) | 2019-12-06 |
| CN110541946B true CN110541946B (en) | 2021-02-02 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN201910782743.1A Active CN110541946B (en) | 2019-08-23 | 2019-08-23 | Wear-resisting ball valve capable of resisting high temperature and high pressure |
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| CN (1) | CN110541946B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111156328B (en) * | 2020-01-20 | 2021-07-06 | 上海亚奥阀门有限公司 | Forged steel hard seal floating ball valve |
| CN113503376A (en) * | 2021-08-06 | 2021-10-15 | 跃丰阀门制造有限公司 | Intelligent remote control pneumatic ball valve |
| CN116066594B (en) * | 2023-03-03 | 2023-08-25 | 江苏远洋阀门智控股份有限公司 | Alloy steel wear-resistant hard seal ball valve |
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|---|---|---|---|---|
| WO2007072534A3 (en) * | 2005-12-22 | 2009-05-07 | Valvosanitaria Bugatti S P A | Combination of ball valve with reduced flow valve device |
| CN202091540U (en) * | 2011-05-28 | 2011-12-28 | 中山铁王流体控制设备有限公司 | Self-compensating superhard, wear resistant, high-pressure resistant and high-temperature resistant metal rigid-sealing ball valve |
| CN107489780A (en) * | 2017-08-23 | 2017-12-19 | 上海伟伦阀门集团江苏有限公司 | A kind of HTHP upper-mounting type ball valve |
| CN206889735U (en) * | 2017-06-16 | 2018-01-16 | 研苛（上海）阀门工业有限公司 | Ball valve |
| CN108488419A (en) * | 2018-02-24 | 2018-09-04 | 江苏盐电阀门有限公司 | A kind of high pressure-temperature soft seal float ball valve |
-
2019
- 2019-08-23 CN CN201910782743.1A patent/CN110541946B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2007072534A3 (en) * | 2005-12-22 | 2009-05-07 | Valvosanitaria Bugatti S P A | Combination of ball valve with reduced flow valve device |
| CN202091540U (en) * | 2011-05-28 | 2011-12-28 | 中山铁王流体控制设备有限公司 | Self-compensating superhard, wear resistant, high-pressure resistant and high-temperature resistant metal rigid-sealing ball valve |
| CN206889735U (en) * | 2017-06-16 | 2018-01-16 | 研苛（上海）阀门工业有限公司 | Ball valve |
| CN107489780A (en) * | 2017-08-23 | 2017-12-19 | 上海伟伦阀门集团江苏有限公司 | A kind of HTHP upper-mounting type ball valve |
| CN108488419A (en) * | 2018-02-24 | 2018-09-04 | 江苏盐电阀门有限公司 | A kind of high pressure-temperature soft seal float ball valve |
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| CN110541946A (en) | 2019-12-06 |
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