CN109386626A - A kind of pneumatic actuator control high-pressure ball valve - Google Patents
A kind of pneumatic actuator control high-pressure ball valve Download PDFInfo
- Publication number
- CN109386626A CN109386626A CN201810551401.4A CN201810551401A CN109386626A CN 109386626 A CN109386626 A CN 109386626A CN 201810551401 A CN201810551401 A CN 201810551401A CN 109386626 A CN109386626 A CN 109386626A
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- Prior art keywords
- valve
- ball
- valve body
- ball valve
- seal
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Links
- 238000007789 sealing Methods 0.000 claims abstract description 37
- 239000002131 composite material Substances 0.000 claims abstract description 17
- 230000008676 import Effects 0.000 claims abstract description 15
- 239000003566 sealing material Substances 0.000 claims abstract description 14
- 230000002708 enhancing effect Effects 0.000 claims abstract description 11
- 239000000945 filler Substances 0.000 claims abstract description 10
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 10
- 238000012856 packing Methods 0.000 claims description 11
- 230000015572 biosynthetic process Effects 0.000 claims description 7
- 238000003786 synthesis reaction Methods 0.000 claims description 7
- 238000003780 insertion Methods 0.000 claims 1
- 230000037431 insertion Effects 0.000 claims 1
- 239000000126 substance Substances 0.000 description 6
- 238000009434 installation Methods 0.000 description 5
- 238000005242 forging Methods 0.000 description 4
- 230000007812 deficiency Effects 0.000 description 3
- 238000012423 maintenance Methods 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 239000003337 fertilizer Substances 0.000 description 2
- 239000000835 fiber Substances 0.000 description 2
- 239000012530 fluid Substances 0.000 description 2
- 235000013305 food Nutrition 0.000 description 2
- 210000004907 gland Anatomy 0.000 description 2
- 230000033001 locomotion Effects 0.000 description 2
- 239000000575 pesticide Substances 0.000 description 2
- 238000002360 preparation method Methods 0.000 description 2
- 229910001208 Crucible steel Inorganic materials 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000003034 coal gas Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005520 cutting process Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000001727 in vivo Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 230000007774 longterm Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 210000002445 nipple Anatomy 0.000 description 1
- 239000003208 petroleum Substances 0.000 description 1
- 239000013535 sea water Substances 0.000 description 1
- 238000009987 spinning Methods 0.000 description 1
- -1 steam Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
- 238000003466 welding Methods 0.000 description 1
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
-
- 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
-
- 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
- F16K5/0673—Composite packings
-
- 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
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0694—Spindle sealings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Abstract
A kind of pneumatic actuator control high-pressure ball valve, including lower jointing, valve body, pedestal support, upper cover, O-ring seal, adjusting butterfly spring, enhancing PPL synthesize sealing material, ball valve core, gasket seal, filler, valve rod, hex bolts, bracket, air control unit, ball seat sealing ring；Valve body is lateral thick cylindrical drum, and valve body thickness cylindrical drum is equipped with the import and outlet of valve, and import and outlet are all connected with end connector；The center of valve body be ball valve core, positioned at valve body or so inlet and outlet be a connection inlet and outlet left and right ball seat sealing ring, be fixed on valve upper cover on composite filling by upper end screw equipped with bracket；It is air control unit above bracket；Air control unit exports rotary driving force square to valve rod.
Description
Technical field:
The present invention relates to ball valves, especially high-pressure ball valve, are suitable for petroleum, chemical industry, chemical fertilizer, pesticide, chemical fibre, papermaking, system
The pneumatic actuator that the industrial departments such as sugar, food, power station use controls high-pressure ball valve.
Background technique:
With the high speed development of the national economy in China, in China's oil, chemical industry, chemical fertilizer, pesticide, chemical fibre, papermaking, system
Sugar, food, power station, etc. industrial departments and agricultural or even living facilities pipeline control system, use the valve of plurality of specifications
Control system, the valve for controlling liquid flow pipe needed is more and more, needs to solve ordinary ball valve valve body wear-resistant
With high pressure resistant and seal aspect deficiency.High-pressure ball valve in particular for cut-off medium be coal gas, air, steam, water, seawater,
The various media such as oil product are a kind of special valves for cutting off medium on pipe network and being connected to medium；The deficiency of existing traditional product
Place: conventional ball valve, not high pressure resistant and combination is inconvenient, and thickness is big, and it is big to occupy space.Inconvenient for operation, maintenance cost is high.This
The pipeline control system proposed is invented, especially in installation space hour, effective solution ordinary ball valve valve space position
Deficiency.Overcome conventional ball valve, not high pressure resistant and combination is inconvenient, and maintenance cost is high, is not easy to carry out in structure efficiently automatic
Control.
Summary of the invention:
Object of the present invention is to, propose a kind of novel pneumatic actuator control high-pressure ball valve, effective solution it is not high pressure resistant and
The big puzzlement of the thickness of valve.Solve inconvenient for operation, the high problem of maintenance cost is efficiently automatically controlled.And there is behaviour
Make convenient and sealed reliable effect.
The technical scheme is that a kind of pneumatic actuator controls high-pressure ball valve, including lower jointing, valve body, bottom
Receptacle, upper cover, O-ring seal, adjust butterfly spring, enhancing PPL synthesis sealing material, ball valve core, gasket seal, filler, valve rod,
Hex bolts, bracket, air control unit, ball seat sealing ring (also using O-ring seal)；Valve body is lateral thick cylindrical drum,
Valve body thickness cylindrical drum is equipped with the import and outlet of valve, and import and outlet are all connected with end connector；The center of valve body be ball valve core,
Positioned at valve body or so inlet and outlet be connection inlet and outlet left and right ball seat sealing ring, left and right ball seat sealing ring is that annular is blocky；
Central interior is equipped with valve seat on valve body, and valve seat is the seal receptacle for wrapping up ball valve core, the ball seat sealing ring and O at seal receptacle or so end
Type sealing ring is embedded in and fixes in the import of valve seat and outlet port, and the import of valve and outlet flow and spherical valve core mesoporous are put down
Row, the section parallel or perpendicular to ball valve core is a circle；The inner edge shape of left and right ball seat sealing ring and spherical valve core
Outer rim shape is coincide；The central vertical of thick cylindrical drum installs valve upper cover, aperture on valve upper cover, valve in cylindrical drum axis direction
Dress ball valve core in vivo, the lower part of ball valve core are the pedestal support of valve, and pedestal support upper surface is equipped with the bottom ball with ball valve core
The identical concavity ball arc of arc；Ball valve core is located at perpendicular to valve upper cover and covers aperture output from upper；Valve rod is equipped in aperture,
Valve rod is fixed in the upper end of spherical valve core, the upper end connection valve rod of spherical valve core, and filler is respectively O-shaped close from bottom to up on valve rod
Seal, gasket, composite filling triple seal are fixed on valve upper cover by upper end screw on composite filling equipped with bracket
On；It is air control unit above bracket.Air control unit exports rotary driving force square to valve rod.
Left and right ball seat sealing ring is especially with adjusting butterfly spring；Ball seat sealing ring synthesizes sealing material by enhancing PPL between valve body
Material is as liner；As packing press ring on composite filling, the locating piece of (having hole) is located on packing press ring locating piece.
The course of work is as shown below, exports rotary driving force square to valve rod, band ovable valve stem, rotation by air control unit
Turn ball valve core, the on or off in valve flow channel thus may be implemented, to carry out the control to pipeline.By adjusting spiral shell
Bolt is easily connect with the various mode jointings such as flange, screw thread, welding (lower jointing).
The installation position of ring sealing base and valve body is equipped with an O-ring seal.
Valve body integrally uses forging structure, guarantees that whole intensity, the length of entire ball valve only have the 1/2 of ordinary ball valve；
Sealing material+O-ring seal composite structure is synthesized using enhancing PPL, guarantees leakproofness of the ball valve under high pressure working condition.It adopts
With O-ring seal and gasket, filler triple seal.Using the valve base sealing structure of adjustment butterfly spring load, it can ensure that ball valve is long
Phase reliably seals；Using nipple connection type, can easily any angle in instrumentation pipeline, hydraulic system pacify
Dress.Using newest integrated pneumatic power control device, control and remote centralized control on the spot can be preferably realized, in control room
Can control valve switch, do not need to go to scene or high-altitude and jeopardously bring to manually control, largely
Human resources and time and safety are saved.
The utility model has the advantages that valve body of the present invention etc. integrally uses forging structure, guarantee whole intensity, the length of entire ball valve is only
There is the 1/2 of ordinary ball valve, saves great amount of cost, simple installation, any part that can be installed in any direction in pipeline.Guarantee
Sealing.Sealing material+O-ring seal composite structure is synthesized using enhancing PPL, guarantees sealing of the ball valve under high pressure working condition
Property.Guarantee sealed reliable, long service life.Fluid resistance is small, and rapidly, conveniently, as long as valve rod rotates 90o, ball valve is complete for switch
It is acted at standard-sized sheet or full pass, realizes fast opening and closing.Using O-ring seal and gasket, filler triple seal.Guarantee in high pressure
Sealed reliable under working condition.Ball valve core makes the existing sphere of sealing surface substantially reduce the length of valve, ball valve core again
Space motion path is ideal, sealing surface between each other without friction, without interference, in addition sealing material selection it is proper, to make ball valve
Leakproofness, corrosion resistance, heat-resisting quantity and wearability etc. obtained reliable guarantee.Valve seat using adjustment butterfly spring load is close
Seal structure can ensure that the sealing of ball valve reliably and with long-term；It, can be easily in instrumentation pipeline, hydraulic system using thread connecting mode
In any angle installation.Using newest integrated pneumatic power control device, control on the spot and remote concentration can be preferably realized
Control, in control room can control valve switch, do not need to go to scene or high-altitude and jeopardously bring manual control
System, has largely saved human resources and time and safety.
Detailed description of the invention:
Fig. 1 is schematic structural view of the invention.
Fig. 2 is the side structure schematic view of Fig. 1.
Specific embodiment:
As shown, 1, lower jointing, 2, valve body, 3, O-ring seal, 4, adjusting butterfly spring, 5, enhancing PPL synthesis sealing
Material, 5, O-ring seal, 6, ball valve core, 7, gasket seal, 8, O-ring seal, 9, filler, 10, valve rod, 11, hexagonal spiral shell
Bolt, 12, bracket, 13, air control unit.
A kind of pneumatic actuator control high-pressure ball valve, valve body are that the lower part of lateral thick cylindrical drum ball valve core can connect
One pillar, concavity ball arc then prepare one and the matched columnar hole of pillar again.
Valve body, upper cover and ball seat sealing ring are blocky cast steel preparation molding, are fixed to one another with soket head cap screw.
Thick cylindrical drum, cylinder integrally use forging structure, guarantee the intensity of valve body entirety, the length of entire ball valve only has general
The 1/2 of logical shut-off valve；Sealing material+O-ring seal composite structure is synthesized using enhancing PPL, guarantees the spool of shut-off valve in height
Press the leakproofness under working condition.Using O-ring seal and gasket, composite filling triple seal.Import is all connected with outlet
High pressure connection can be removed first and be assembled afterwards using adjustment flange combining form, convenient and flanged joint.
As shown, pneumatic actuator controls high-pressure ball valve, including it is lower jointing, valve body, pedestal support, upper cover, O-shaped close
Seal, adjust butterfly spring, enhancing PPL synthesis sealing material, ball valve core, gasket seal, filler, valve rod, hex bolts, bracket,
Air control unit, ball seat sealing ring (also using O-ring seal)；Valve body is lateral thick cylindrical drum, in valve body thickness cylindrical drum
Import and outlet equipped with valve, import and outlet are all connected with end connector；The center of valve body be ball valve core, be located at valve body or so into
What is exported is the left and right ball seat sealing ring of connection inlet and outlet, and left and right ball seat sealing ring is that annular is blocky；Central interior on valve body
Equipped with valve seat, valve seat is the seal receptacle for wrapping up ball valve core, and the ball seat sealing ring and O-ring seal at seal receptacle or so end are in valve seat
Import and outlet port be embedded in and fix, the import of valve is parallel with spherical valve core mesoporous with outlet flow, parallel or perpendicular to
The section of ball valve core is a circle；The inner edge shape of left and right ball seat sealing ring and the outer rim shape of spherical valve core are coincide；It is thick
The central vertical of cylindrical drum installs valve upper cover in cylindrical drum axis direction, aperture on valve upper cover, the built-in ball valve core of valve body,
The lower part of ball valve core is the pedestal support of valve, and pedestal support is fixed on the lower part of thick cylindrical drum, and pedestal support upper surface is equipped with and sphere
The identical concavity ball arc of the bottom ball arc of spool；Ball valve core is located at perpendicular to valve upper cover and covers aperture output from upper；It opens
Valve rod is equipped in hole, valve rod is fixed in the upper end of spherical valve core, and the upper end of spherical valve core connects valve rod, and it is close that valve rod is equipped with filler
Envelope, packing seal are respectively O-ring seal, gasket, composite filling triple seal from bottom to up.
It is fixed on valve upper cover on composite filling by upper end screw equipped with bracket；It is that pneumatic control fills above bracket
It sets.Air control unit exports rotary driving force square to valve rod.Valve body of the present invention etc. integrally uses forging structure, guarantees whole
Intensity, the length of entire ball valve only have the 1/2 of ordinary ball valve.Using enhancing PPL synthesis sealing material+O-ring seal combination knot
Structure guarantees leakproofness of the ball valve under high pressure working condition.Guarantee sealed reliable, long service life.Fluid resistance is small, switchs fast
Speed, conveniently, as long as valve rod rotate 90 degree, ball valve complete standard-sized sheet or full pass movement, realization fast opening and closing.Using O-shaped sealing
Circle and gasket, filler triple seal.Guarantee the sealed reliable under high pressure working condition.
Left and right ball seat sealing ring is especially with adjusting butterfly spring；Ball seat sealing ring synthesizes sealing material by enhancing PPL between valve body
Material is as liner；Locating piece is as packing press ring on composite filling, and the locating piece of (having hole) is located on packing press ring, valve
The top of bar is bonded fixation with gear.Valve rod can be tower-shaped.
The course of work is as shown below, exports the transmission of rack pinion by air control unit to rotary driving force square
To valve rod, band ovable valve stem, the on or off in valve flow channel is thus may be implemented in spinning ball spool, to carry out to pipe
The control on road.The installation position of ring sealing base and valve body is equipped with an O-ring seal.Package is filled out on the valve rod of spherical valve core upper end
Backing strap, composite filling, and composite filling is pushed down by gland.Packing seat is wrapped up on the valve rod of spherical valve core upper end, combination is filled out
Material, and composite filling is pushed down by gland；Ring sealing base valve seat enhances PPL synthesis sealing material preparation, ring packing
Seat is also adjustable disc spring structure.
As shown, by air control unit 13, band ovable valve stem 10 rotates 6 spheres, valve stream thus may be implemented
The on or off for measuring channel, to carry out the control to pipeline.
The foregoing is merely a kind of embodiments of the invention, are not intended to limit the invention, all in essence of the invention
Made any modifications, equivalent replacements, and improvements etc. within mind and principle, to be included within protection scope of the present invention.
Claims (6)
1. a kind of pneumatic actuator controls high-pressure ball valve, characterized in that including lower jointing, valve body, pedestal support, upper cover, O-shaped
Sealing ring adjusts butterfly spring, enhancing PPL synthesis sealing material, ball valve core, gasket seal, filler, valve rod, hex bolts, branch
Frame, air control unit, ball seat sealing ring；Valve body is lateral thick cylindrical drum, valve body thickness cylindrical drum be equipped with the import of valve with
Outlet, import and outlet are all connected with end connector；The center of valve body be ball valve core, positioned at valve body or so inlet and outlet be a connection
The left and right ball seat sealing ring of inlet and outlet, left and right ball seat sealing ring are that annular is blocky；Central interior is equipped with valve seat on valve body, and valve seat is
Wrap up the seal receptacle of ball valve core, import and outlet position of the ball seat sealing ring and O-ring seal at seal receptacle or so end in valve seat
Insertion and fixation are set, the import of valve is parallel with spherical valve core mesoporous with outlet flow, parallel or perpendicular to the section of ball valve core
It is a circle；The inner edge shape of left and right ball seat sealing ring and the outer rim shape of spherical valve core are coincide；It hangs down in the center of thick cylindrical drum
Valve upper cover, aperture on valve upper cover, the built-in ball valve core of valve body, the lower part of ball valve core directly are installed in cylindrical drum axis direction
For the pedestal support of valve, pedestal support upper surface is equipped with the concavity ball arc identical with the bottom ball arc of ball valve core；Ball valve core is located at
Aperture output is covered perpendicular to valve upper cover and from upper；Valve rod is equipped in aperture, valve rod is fixed in the upper end of spherical valve core, spherical
The upper end of spool connects valve rod, and valve rod is equipped with packing seal；It is fixed on composite filling by upper end screw equipped with bracket
On valve upper cover；It is air control unit above bracket；Air control unit exports rotary driving force square to valve rod.
2. pneumatic actuator according to claim 1 controls high-pressure ball valve, characterized in that packing seal is distinguished from bottom to up
For O-ring seal, gasket, composite filling triple seal.
3. pneumatic actuator according to claim 1 controls high-pressure ball valve, characterized in that left and right ball seat sealing ring is to adjust
Butterfly spring.
4. pneumatic actuator according to claim 3 controls high-pressure ball valve, characterized in that between ball seat sealing ring and valve body by
Enhance PPL synthesis sealing material as liner.
5. pneumatic actuator according to claim 3 controls high-pressure ball valve, characterized in that locating piece exists as packing press ring
On composite filling, locating piece is located on packing press ring.
6. pneumatic actuator according to claim 3 controls high-pressure ball valve, characterized in that the peace of ring sealing base and valve body
It fills position and is equipped with an O-ring seal.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810551401.4A CN109386626A (en) | 2018-05-31 | 2018-05-31 | A kind of pneumatic actuator control high-pressure ball valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810551401.4A CN109386626A (en) | 2018-05-31 | 2018-05-31 | A kind of pneumatic actuator control high-pressure ball valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109386626A true CN109386626A (en) | 2019-02-26 |
Family
ID=65417426
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810551401.4A Withdrawn CN109386626A (en) | 2018-05-31 | 2018-05-31 | A kind of pneumatic actuator control high-pressure ball valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109386626A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022693A (en) * | 2019-12-11 | 2020-04-17 | 安徽信息工程学院 | Novel sealing valve |
-
2018
- 2018-05-31 CN CN201810551401.4A patent/CN109386626A/en not_active Withdrawn
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111022693A (en) * | 2019-12-11 | 2020-04-17 | 安徽信息工程学院 | Novel sealing valve |
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| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
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| WW01 | Invention patent application withdrawn after publication |
Application publication date: 20190226 |
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| WW01 | Invention patent application withdrawn after publication |