CN107781631A - Pneumatic high temperature high pressure draining ball valve with stopper - Google Patents
Pneumatic high temperature high pressure draining ball valve with stopper Download PDFInfo
- Publication number
- CN107781631A CN107781631A CN201710803194.2A CN201710803194A CN107781631A CN 107781631 A CN107781631 A CN 107781631A CN 201710803194 A CN201710803194 A CN 201710803194A CN 107781631 A CN107781631 A CN 107781631A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve rod
- support
- pneumatic
- high temperature
- 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
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
-
- 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
- F16T—STEAM TRAPS OR LIKE APPARATUS FOR DRAINING-OFF LIQUIDS FROM ENCLOSURES PREDOMINANTLY CONTAINING GASES OR VAPOURS
- F16T1/00—Steam traps or like apparatus for draining-off liquids from enclosures predominantly containing gases or vapours, e.g. gas lines, steam lines, containers
- F16T1/38—Component parts; Accessories
- F16T1/40—Actuating mechanisms of ball valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Abstract
The invention discloses Pneumatic high temperature high pressure draining ball valve with stopper, including support, valve body, axis hole is provided with support, valve rod passes through valve body, spheroid and valve rod, stem bottom is connected with spheroid, import valve seat is provided with the valve body of medium inlet side and is provided with outlet valve seat in the valve body of media outlet side, import valve seat and outlet valve seat are bonded to form metal-seated with two end faces of spheroid respectively, pneumatic actuator is connected with frame upper, pneumatic actuator is connected by shaft coupling with valve rod, stopping means is additionally provided with support, the stopper slot being engaged with stopping means is provided with shaft coupling, stopping means is engaged the rotational angle of limitation shaft coupling with stopper slot；Stopper slot is a 1/4 circular cell body, and stopping means is arranged in deep-slotted chip breaker body.By setting stopper slot and the stopping means on support on shaft coupling, the amplitude peak of opening and closing can be controlled, guarantees accurately to realize and fully opened and a fully closes.
Description
Technical field
The present invention relates to valve field, more particularly to a kind of Pneumatic high temperature high pressure draining ball valve with stopper.
Background technology
Pneumatic ball valve, it is a kind of valving driven by air pressure, its operation principle is rotated using air pressure driving spheroid,
Spheroid has manhole, and when 90 degree of ball rotation, through-bore axis and valve axis be in 90 degree angles, spheroid blocking runner, so that
Block fluid.But pneumatic ball valve currently on the market is primarily present following shortcoming：Existing pneumatic ball valve is in air pressure driving stem
When driving spheroid rotation, the angle of rotation is all to go observation with human eye, but unavoidable flicker misses when people's observation
Difference, such as when closing, it should it is to be rotated by 90 ° to be closed in place, is at this time to be fully sealed still, people observes
It may be considered as completely closing to 89 ° when examining, it is same to open and the same, therefore can cause can not be completely close
Envelope, influences normally to use.
The content of the invention
The invention aims to overcome above mentioned problem, there is provided a kind of Pneumatic high temperature high pressure draining ball with stopper
Valve.
To reach above-mentioned purpose, the method that the present invention uses is：A kind of Pneumatic high temperature high pressure draining ball valve with stopper,
Including support, valve body, axis hole is provided with described support, described valve rod passes through described valve body, spheroid and valve rod, institute
State stem bottom to be connected with the spheroid, both sides are respectively equipped with medium entrance and media outlet in the valve body, in medium inlet
Import valve seat is provided with the valve body of side and is provided with outlet valve seat in the valve body of media outlet side, the import valve seat with
And outlet valve seat is bonded to form metal-seated with two end faces of spheroid respectively, is connected with pneumatically on the top of described support
Executing agency, described pneumatic actuator are connected with described valve rod by shaft coupling, also set up in described support
There is a stopping means, the stopper slot being engaged with described stopping means, described limit are provided with described shaft coupling
Position device is engaged the rotational angle of limitation shaft coupling with stopper slot；Described stopper slot is a 1/4 circular cell body, described
Stopping means is arranged in described deep-slotted chip breaker body.
One kind as the present invention changes machine, described shaft coupling include valve rod connecting portion, executing agency's connecting portion and in
Between contiguous block, described middle contiguous block is arranged between valve rod connecting portion and pneumatic actuator, and stopper slot is arranged on centre
On the lower surface of contiguous block.
As a modification of the present invention, a locating piece, described shaft coupling are connected with the top of described valve rod
Fixed with described locating piece.
It is an axis hole between described support and valve body, and covered on described valve rod as a modification of the present invention
Provided with anti-flying barrel, described anti-flying barrel is arranged between boss and support；Stuffing box is additionally provided with described valve rod, it is described
Stuffing box is sheathed on the outside of valve rod and is fixedly mounted with valve body, and described stuffing box includes Packing seat, upper and lower filler, gland
And condiment pressing plate, described Packing seat, upper and lower filler are arranged between valve rod and valve body, gland is sheathed on valve rod and will
Packing seat and upper and lower filler are pushed down, and gland upper end is fixed by hold-down grid and bolt and nut, in gland and filler
Disc spring is additionally provided between pressing plate.
As a modification of the present invention, fixed between described anti-flying barrel and described support by pin, described pin
To roll heavy elastic cylindrical pin.
As a modification of the present invention, fluted, described disc spring is set to be arranged on institute on described hold-down grid
In the groove stated, the arcuate surface of disc spring contacts with the upper surface of groove, the adpting flange on the inner concave and gland of disc spring
It is in contact.
As a modification of the present invention, described disc spring is provided with two panels, is connected in parallel between two panels disc spring.
As a modification of the present invention, described anti-flying barrel is a monolithic construction.
As a modification of the present invention, enter with the place that anti-flying barrel, anti-flying barrel contact with support in described valve rod
Row spray treatment.
Beneficial effect：
1st, by setting the stopping means on stopper slot and support on shaft coupling, can control opening and closing most significantly
Degree, guarantees accurately to realize and fully opened and a fully closes；2nd, the anti-flying barrel of overall flip-over type is effectively embedded in integral support,
Anti- chikung energy with high intensity, can also play prevents valve rod to bias placement, and special spray treatment is being carried out to the workpiece,
Valve rod reduces with the anti-flying barrel of overall flip-over type, the anti-flying barrel of overall flip-over type and support coefficient of friction, so as to which valve torque reduces；3、
Heavy elastic cylindrical pin is rolled, when loading, meeting automatic expansion, is existed without any gap；4th, disc spring is installed additional to add entirely
The flexibility of fastening system, the influence for causing bolt load under pretension condition to relax because of filler creep or different heat expansion etc. is reduced, is improved
Sealing property at gland, extends its service life.
Brief description of the drawings
Fig. 1 is the structural representation of the present invention；
Fig. 2 is the structural representation of shaft coupling and stopping means when the ball valve of the present invention is opened；
Fig. 3 is the structural representation of shaft coupling and stopping means when the ball valve of the present invention is closed；
Fig. 4 is the A portions enlarged drawing of the present invention；
Fig. 5 is the B portions enlarged drawing of the present invention；
Fig. 6 is the mounting structure schematic diagram of the back-up ring of the present invention；
Fig. 7 is the structural representation that the back-up ring of the present invention is installed in mounting groove；
Fig. 8 is the structural representation of the back-up ring of the present invention.
Embodiment
Below in conjunction with the accompanying drawings and specific embodiment, the present invention is furture elucidated, and the present embodiment is with technical solution of the present invention
Premised under implemented, it should be understood that these embodiments are only illustrative of the invention and is not intended to limit the scope of the invention.
Described a kind of Pneumatic high temperature high pressure draining ball valve with stopper as shown in Fig. 1 to 5, including support 21, valve
Body 7, is provided with axis hole 19 on described support 21, and described valve rod 15 passes through described axis hole 19, and by screw 13 with
Locating piece 26 is connected.The bottom of valve rod 15 is connected with the spheroid 5, and both sides are respectively equipped with medium entrance in the valve body 7
And media outlet, import valve seat 4 is provided with the valve body of medium inlet side, is provided with the valve body of media outlet side
Outlet valve seat 6, the import valve seat 4 and outlet valve seat 6 are bonded to form metal-seated with two end faces of spheroid 5 respectively.
Casting is integrated between described support 21 and valve body 7, support 21 and the Integral die-forged of valve body 7 are formed, intensity is born interior enough
Portion and outside any loading force, service life can be consistent with body.
Pneumatic first 24, pneumatic first 24 are connected with the top of described support 21 support 21 is fixed on by link 27
On.Described pneumatic first 24 are connected by shaft coupling 25 with described valve rod 15, particularly pass through the company on shaft coupling 25
The phase of locating piece 26 that access slot is connected with valve rod 15 is fixed.A stopping means 22 is additionally provided with described support 21, it is spacing
Device uses positioning screw.The stopper slot 23 being engaged with described stopping means 22 is provided with described shaft coupling 25,
Described stopping means 22 is engaged the rotational angle of limitation shaft coupling 25 with stopper slot 23；Described stopper slot 23 is one 1/
4 circular cell bodies, described stopping means 22 are arranged on 1/4 described circular cell body.Described shaft coupling 25 connects including valve rod
Portion, executing agency's connecting portion and middle contiguous block, described middle contiguous block are arranged between valve rod connecting portion and pneumatic head,
Stopper slot 23 is arranged on the lower surface of middle contiguous block.By setting stopper slot 23 and the limit on support 21 on shaft coupling 25
Position device 22, the amplitude peak of opening and closing can be controlled（Unlatching is rotated by 90 °, and is rotated by 90 ° closing）Guarantee essence
Really realize and fully opened and a fully close.
The outer surface for the opening position being connected on described valve body 7 with support 21 is provided with a cell body, described groove
Body is a deep-slotted chip breaker 17, the outer surface ramp type groove external form for the opening position being connected on valve body with support, welding when
Time is able to protect valve when can effectively reduce welding deformation, particularly post weld heat treatment.
Described outlet valve seat 6 is provided with the step that a diameter diminishes close to media outlet one end, on described valve body 7
The stepped hole being engaged with the step of the outlet valve seat 6 is provided with, the end face b on outlet valve seat step and valve body stepped hole phase
The end face of fitting, after reaching 1.6 μm using ramp numerical control (NC) Machining Accuracy, then finish is polished using wool brush and reaches 0.2 μ
M, the end face on valve body step reach whole plane in mutual slight match grinding with the end face that valve seat stepped hole fits, realize and seal；
The pressure testing pressure of valve is more than using interference fit, its magnitude of interference between face of cylinder a and valve body stepped hole on outlet valve seat step
Power.
Also set up in the medium entrance side of described valve body 7 and be additionally provided with elastic component 3, adjusting sleeve 2 and back-up ring 1, the bullet
Property part 3 be preferably selected disc spring, described adjusting sleeve 2 is arranged between elastic component 3 and back-up ring 1, described one end of elastic component 3 with
Import valve seat 4 compresses, and the other end compresses with adjusting sleeve 2, and described one end of adjusting sleeve 2 compresses with elastic component 3, the other end and back-up ring
1 compresses, and described back-up ring 1 is a takeup type back-up ring, and described takeup type back-up ring is arranged in back-up ring mounting groove, and is mended automatically
Repay radial clearance.By set at medium entrance end takeup type back-up ring replace it is original it is double open or pendant collet, 360 degree of support
Face will not produce lug interference in device, without flash, load capacity of the Spiral wound multi-turn winding with high intensity, rotation
After entering workpiece, radial clearance is compensated automatically.
Be arranged with anti-flying barrel 12 on described valve rod 15, described anti-flying barrel 12 be arranged on boss 20 and support 21 it
Between.Fixed between described anti-flying barrel 12 and described support 21 by pin, described pin is to roll heavy elastic cylindrical pin 14.
Heavy elastic cylindrical pin 14 is when loading, meeting automatic expansion, without any gap so that anti-flying barrel 12 is fixed with support 21
It is firm.Described anti-flying barrel 12 is an overall structure, and the overall anti-flying barrel 12 of flip-over type is effectively embedded in integral support, has height
The anti-chikung energy of intensity, can also play prevents valve rod to bias placement.
In described valve rod 15 spray treatment is carried out with the place that anti-flying barrel 12, anti-flying barrel 12 contact with support 21.
Special spray treatment, valve rod and the anti-flying barrel of overall flip-over type, the anti-flying barrel of overall flip-over type and support friction are carried out to the workpiece
Coefficient reduces, so as to which valve torque reduces.
Stuffing box is additionally provided with described valve rod 15, the stuffing box is sheathed on the outside of valve rod 15 and consolidated with valve body 7
Dingan County fills, and described stuffing box includes Packing seat 8, filler 16, gland 9 and condiment pressing plate 10, described Packing seat 8,
Filler 16 is arranged between valve rod 15 and valve body 7, and gland 9 is sheathed on valve rod 15 and pushes down Packing seat 8 and filler 16, fills out
The material upper end of gland 9 is fixed by hold-down grid 10 and bolt and nut 11, is additionally provided between gland 9 and hold-down grid 10
Disc spring 18.
Fluted, described disc spring 18 is set to be arranged in described groove on described hold-down grid 10, disc spring 18
Arcuate surface contacted with the upper surface of groove, the inner concave of disc spring 18 is in contact with the adpting flange on gland 9.In order to increase
Add the elasticity of disc spring 18, can be used in parallel by two disc springs 18, the inner concave of two disc springs 18 is in contact, two arcuate surfaces
It is in contact respectively with the adpting flange on the upper surface of groove and gland 9.
The establishment of the anti-extrusion graphite of filler 16 plus inconel silk packing ring in the present embodiment, can meet API 622
Micro- leakage requires that wear-resistant, heatproof high temperature can reach 650 degree.
Technological means disclosed in the present invention program is not limited only to the technological means disclosed in above-mentioned embodiment, in addition to
Formed technical scheme is combined by above technical characteristic.
Claims (9)
1. a kind of Pneumatic high temperature high pressure draining ball valve with stopper, including support（21）, valve body（7）, in described support
（21）On be provided with axis hole（19）, described valve rod（15）Through described valve body（7）, spheroid（5）And valve rod（15）, the valve
Bar（15）Bottom and the spheroid（5）Connection, the valve body（7）Interior both sides are respectively equipped with medium entrance and media outlet, are being situated between
Import valve seat is provided with the valve body of matter inlet side（4）Outlet valve seat is provided with the valve body of media outlet side（6）, institute
State import valve seat（4）And outlet valve seat（6）Respectively with spheroid（5）Two end faces be bonded to form metal-seated, its feature
It is：In described support（21）Top be connected with pneumatic actuator（24）, described pneumatic actuator passes through shaft coupling
Device（25）With with described valve rod（15）It is connected, in described support（21）It is additionally provided with a stopping means（22）, institute
The shaft coupling stated（25）On be provided with and described stopping means（22）The stopper slot being engaged（23）, described stopping means
（22）With stopper slot（23）It is engaged limitation shaft coupling（25）Rotational angle；Described stopper slot（23）It is circular for one 1/4
Cell body, described stopping means（22）It is arranged in described deep-slotted chip breaker body.
A kind of 2. Pneumatic high temperature high pressure draining ball valve with stopper according to claim 1, it is characterised in that：Described
Shaft coupling（25）Including valve rod connecting portion, executing agency's connecting portion and middle contiguous block, described middle contiguous block is arranged on
Between valve rod connecting portion and pneumatic actuator, stopper slot（23）It is arranged on the lower surface of middle contiguous block.
A kind of 3. Pneumatic high temperature high pressure draining ball valve with stopper according to claim 1 or 2, it is characterised in that：
Described valve rod（12）Top be connected with a locating piece（26）, described shaft coupling（25）With described locating piece（26）Gu
It is fixed.
A kind of 4. Pneumatic high temperature high pressure draining ball valve with stopper according to claim 1, it is characterised in that：Described
Support（21）With valve body（7）Between be an axis hole（19）, and in described valve rod（15）On be arranged with anti-flying barrel（12）, it is described
Anti- flying barrel（12）It is arranged on boss（20）With support（21）Between；In described valve rod（15）On be additionally provided with stuffing box, it is described
Stuffing box is sheathed on valve rod（15）Outside and and valve body（7）It is fixedly mounted, described stuffing box includes Packing seat（8）, up and down fill out
Material（16）, gland（9）And condiment pressing plate（10）, described Packing seat（8）, upper and lower filler（16）It is arranged on valve rod（15）
With valve body（7）Between, gland（9）It is sheathed on valve rod（15）And by Packing seat（8）And upper and lower filler（16）Push down, filler pressure
Lid（9）Upper end passes through hold-down grid（10）And bolt and nut（11）It is fixed, in gland（9）With hold-down grid（10）Between also
It is provided with disc spring（18）.
A kind of 5. Pneumatic high temperature high pressure draining ball valve with stopper according to claim 1, it is characterised in that：Described
Anti- flying barrel（12）With described support（21）Between fixed by pin, described pin is rolls heavy elastic cylindrical pin（14）.
A kind of 6. Pneumatic high temperature high pressure draining ball valve with stopper according to claim 4, it is characterised in that：Described
Hold-down grid（10）It is upper that fluted, described disc spring is set（18）It is arranged in described groove, disc spring（18）Arcuate surface
Contacted with the upper surface of groove, disc spring（18）Inner concave and gland（9）On adpting flange be in contact.
A kind of 7. Pneumatic high temperature high pressure draining ball valve with stopper according to claim 7, it is characterised in that：Described
Disc spring（18）It is provided with two panels, two panels disc spring（18）Between be connected in parallel.
A kind of 8. Pneumatic high temperature high pressure draining ball valve with stopper according to claim 4, it is characterised in that：Described
Anti- flying barrel（12）For a monolithic construction.
A kind of 9. Pneumatic high temperature high pressure draining ball valve with stopper according to claim 4, it is characterised in that：Described
Valve rod（15）With anti-flying barrel（12）, anti-flying barrel（12）With support（21）The place of contact carries out spray treatment.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803194.2A CN107781631A (en) | 2017-09-08 | 2017-09-08 | Pneumatic high temperature high pressure draining ball valve with stopper |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710803194.2A CN107781631A (en) | 2017-09-08 | 2017-09-08 | Pneumatic high temperature high pressure draining ball valve with stopper |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107781631A true CN107781631A (en) | 2018-03-09 |
Family
ID=61438051
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710803194.2A Pending CN107781631A (en) | 2017-09-08 | 2017-09-08 | Pneumatic high temperature high pressure draining ball valve with stopper |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107781631A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047916A1 (en) * | 2017-09-08 | 2019-03-14 | 江苏科维仪表控制工程有限公司 | Manual high-temperature and high-pressure hydrophobic ball valve having superior sealing property |
| WO2019047377A1 (en) * | 2017-09-08 | 2019-03-14 | 江苏科维仪表控制工程有限公司 | Pneumatic high-temperature high-pressure water-repellent ball valve |
Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4911408A (en) * | 1989-01-03 | 1990-03-27 | Kemp Development Corporation | Seat assembly for ball valves |
| US20050104026A1 (en) * | 2002-02-22 | 2005-05-19 | Manish Tulaskar | Ball valve with a single piece ball-stem and an integrated actuator mounting flange |
| CN2915655Y (en) * | 2006-06-23 | 2007-06-27 | 尚殷股份有限公司 | Travelling angle limit device for bicycle |
| US20090095931A1 (en) * | 2007-10-15 | 2009-04-16 | Stunkard Gerald A | Ball valve having self-centering seats |
| CN101881397A (en) * | 2010-08-02 | 2010-11-10 | 朱介民 | Rotatably positioned LED lamp |
| CN102287612A (en) * | 2011-05-23 | 2011-12-21 | 浙江宏明阀门有限公司 | Ultra supercritical hydrophobic valve |
| CN202132691U (en) * | 2011-07-26 | 2012-02-01 | 双达阀门股份有限公司 | High-temperature and high-pressure drainage spherical valve |
| CN104163141A (en) * | 2014-07-31 | 2014-11-26 | 法可赛(太仓)汽车配件有限公司 | Rearview mirror rotating positioning device driven by motor |
| CN204251823U (en) * | 2014-09-03 | 2015-04-08 | 宁波市吉虎机械制造有限公司 | Water jet looms weft accumulator switching valve valve body |
| CN204344981U (en) * | 2014-12-18 | 2015-05-20 | 刘庆国 | A kind of hard seal ball valve |
| CN204936064U (en) * | 2015-09-10 | 2016-01-06 | 浙江申达化妆品包装有限公司 | A kind of emulsion pumps vinyl cover rotates the driving mechanism of location plastic mould |
| CN205294285U (en) * | 2015-11-20 | 2016-06-08 | 青岛荣泰玻璃制品有限公司 | Drag for quick -witted waste material section of thick bamboo of material |
| CN106151572A (en) * | 2015-04-01 | 2016-11-23 | 无锡鑫华控阀业有限公司 | High-temp and-pressure ball valve |
| CN106369181A (en) * | 2016-10-14 | 2017-02-01 | 广西欧讯科技服务有限责任公司 | Novel ball valve |
| CN206398346U (en) * | 2017-01-05 | 2017-08-11 | 四川沃兰特阀门制造有限公司 | A kind of HTHP drainage spherical valve |
| CN207421764U (en) * | 2017-09-08 | 2018-05-29 | 江苏科维仪表控制工程有限公司 | Pneumatic high temperature high pressure draining ball valve with stopper |
-
2017
- 2017-09-08 CN CN201710803194.2A patent/CN107781631A/en active Pending
Patent Citations (16)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4911408A (en) * | 1989-01-03 | 1990-03-27 | Kemp Development Corporation | Seat assembly for ball valves |
| US20050104026A1 (en) * | 2002-02-22 | 2005-05-19 | Manish Tulaskar | Ball valve with a single piece ball-stem and an integrated actuator mounting flange |
| CN2915655Y (en) * | 2006-06-23 | 2007-06-27 | 尚殷股份有限公司 | Travelling angle limit device for bicycle |
| US20090095931A1 (en) * | 2007-10-15 | 2009-04-16 | Stunkard Gerald A | Ball valve having self-centering seats |
| CN101881397A (en) * | 2010-08-02 | 2010-11-10 | 朱介民 | Rotatably positioned LED lamp |
| CN102287612A (en) * | 2011-05-23 | 2011-12-21 | 浙江宏明阀门有限公司 | Ultra supercritical hydrophobic valve |
| CN202132691U (en) * | 2011-07-26 | 2012-02-01 | 双达阀门股份有限公司 | High-temperature and high-pressure drainage spherical valve |
| CN104163141A (en) * | 2014-07-31 | 2014-11-26 | 法可赛(太仓)汽车配件有限公司 | Rearview mirror rotating positioning device driven by motor |
| CN204251823U (en) * | 2014-09-03 | 2015-04-08 | 宁波市吉虎机械制造有限公司 | Water jet looms weft accumulator switching valve valve body |
| CN204344981U (en) * | 2014-12-18 | 2015-05-20 | 刘庆国 | A kind of hard seal ball valve |
| CN106151572A (en) * | 2015-04-01 | 2016-11-23 | 无锡鑫华控阀业有限公司 | High-temp and-pressure ball valve |
| CN204936064U (en) * | 2015-09-10 | 2016-01-06 | 浙江申达化妆品包装有限公司 | A kind of emulsion pumps vinyl cover rotates the driving mechanism of location plastic mould |
| CN205294285U (en) * | 2015-11-20 | 2016-06-08 | 青岛荣泰玻璃制品有限公司 | Drag for quick -witted waste material section of thick bamboo of material |
| CN106369181A (en) * | 2016-10-14 | 2017-02-01 | 广西欧讯科技服务有限责任公司 | Novel ball valve |
| CN206398346U (en) * | 2017-01-05 | 2017-08-11 | 四川沃兰特阀门制造有限公司 | A kind of HTHP drainage spherical valve |
| CN207421764U (en) * | 2017-09-08 | 2018-05-29 | 江苏科维仪表控制工程有限公司 | Pneumatic high temperature high pressure draining ball valve with stopper |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2019047916A1 (en) * | 2017-09-08 | 2019-03-14 | 江苏科维仪表控制工程有限公司 | Manual high-temperature and high-pressure hydrophobic ball valve having superior sealing property |
| WO2019047377A1 (en) * | 2017-09-08 | 2019-03-14 | 江苏科维仪表控制工程有限公司 | Pneumatic high-temperature high-pressure water-repellent ball valve |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN107388018A (en) | Pneumatic high temperature high pressure draining ball valve | |
| CN207421764U (en) | Pneumatic high temperature high pressure draining ball valve with stopper | |
| CN207421767U (en) | Pneumatic high temperature high pressure draining ball valve | |
| CN101666413B (en) | Mechanical pipeline under-pressure blocker and blocking method thereof | |
| CN107781631A (en) | Pneumatic high temperature high pressure draining ball valve with stopper | |
| CN207213622U (en) | The manual HTHP drainage spherical valve of the superior formula of sealing | |
| CN104482253A (en) | Combined valve | |
| CN207500798U (en) | A kind of installation steam trap integral multifunctional valve group | |
| CN207213623U (en) | It is easy to the HTHP drainage spherical valve of assembling | |
| KR101531967B1 (en) | Ball valve | |
| CN104482261B (en) | HTHP spring safety valve with thermal compensation and elastic compensating sealing surface | |
| CN102606760A (en) | Nuclear class I electric ball valve | |
| CN207421377U (en) | Wear-resistant manual high temperature and pressure drainage spherical valve | |
| CN205298706U (en) | Open formula machinery blow -down valve entirely | |
| CN107388017A (en) | It is easy to the HTHP drainage spherical valve of assembling | |
| CN105065701B (en) | Hard sealing hoisting type lock plug valve and its control method | |
| WO2019047916A1 (en) | Manual high-temperature and high-pressure hydrophobic ball valve having superior sealing property | |
| CN107448769A (en) | The manual HTHP drainage spherical valve of the superior formula of sealing | |
| CN107387803A (en) | Wear-resistant manual HTHP drainage spherical valve | |
| CN205745347U (en) | A kind of Novel furnace top bleeding valve device | |
| CN212643617U (en) | High-pressure hard-sealing drainage ball valve | |
| CN208651651U (en) | A kind of double seals butterfly valve | |
| CN207122608U (en) | It is a kind of can on-line maintenance upper dress formula fixing ball valve | |
| CN210265963U (en) | Fixed upper-mounted pipe cleaning ball valve | |
| CN206723463U (en) | Integral type is without bonnet throttling stop valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |