CN106090245B - It is a kind of it is included buffering close pattern high temperature resistant seal angle pedestal valve firmly - Google Patents
It is a kind of it is included buffering close pattern high temperature resistant seal angle pedestal valve firmly Download PDFInfo
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- CN106090245B CN106090245B CN201610679041.7A CN201610679041A CN106090245B CN 106090245 B CN106090245 B CN 106090245B CN 201610679041 A CN201610679041 A CN 201610679041A CN 106090245 B CN106090245 B CN 106090245B
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- Prior art keywords
- valve
- piston
- connector
- gas lid
- spring
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
- F16K1/36—Valve members
- F16K1/38—Valve members of conical shape
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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
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/48—Attaching valve members to screw-spindles
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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
- F16K25/00—Details relating to contact between valve members and seats
- F16K25/005—Particular materials for seats or closure elements
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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
- F16K27/12—Covers for housings
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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
- F16K31/00—Actuating devices; Operating means; Releasing devices
- F16K31/12—Actuating devices; Operating means; Releasing devices actuated by fluid
- F16K31/122—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston
- F16K31/1225—Actuating devices; Operating means; Releasing devices actuated by fluid the fluid acting on a piston with a plurality of pistons
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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
- F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
- F16K37/0008—Mechanical 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
- F16K41/00—Spindle sealings
- F16K41/02—Spindle sealings with stuffing-box ; Sealing rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Fluid-Damping Devices (AREA)
Abstract
The present invention provides the included buffering close pattern of one kind, and there is high temperature resistant to seal angle pedestal valve firmly, sealing structure is by valve body, spool, pin, valve rod, valve seal pad, connector, airtight and watertight padding and spring one form, the connector is mounted on the lower end of connecting tube, the ring block of circular in cross-section is fixed on the outside of the connector, valve seal pad is equipped on the downside of the ring block, the valve seal pad is assembled together with valve body, the inside of the connector is equipped with valve rod, the central axes of the valve rod and the central axes of connector are on same straight line, the lower end of the valve rod is equipped with spool, it is fixed by pin between the valve rod and spool, the airtight and watertight padding is located on the inner wall of valve body, the spring one is located at the upper end of airtight and watertight padding, the present invention is easy to use, it is easy to operation, stability is good, reliability is high.
Description
Technical field
The present invention be it is a kind of it is included buffering close pattern high temperature resistant seal angle pedestal valve firmly, belong to valve class apparatus field.
Background technology
In the prior art, angle pedestal valve at present on the market is in the majority, this type angled seat of single cylinder and soft seal
Valve applying working condition face relative narrower, the needs of cannot meeting in terms of high pressure, high temperature, and the opening and closing of this kind of angle pedestal valve hair is using single gas
Cylinder pattern, also just there is no the functions of buffering when closed, and such as opening and closing frequency is excessive, then certain shadow can be brought to life of valve
It rings, angle pedestal valve keeps flow velocity that can save space.It is operated using the single-acting pneumatic actuator protected with spring safety
Guiding angle pedestal valve, in use, should select normally opened or normally closed, angle pedestal valve is widely used in short time frequent starting, has anti-
It answers sensitive, acts accurate feature, cooperation solenoid valve uses, and gas, fluid flow can be accurately controlled with pneumatic control.It can be achieved
The requirements such as liquid are added dropwise in accurate temperature control.
Invention content
In view of the deficienciess of the prior art, it is an object of the present invention to provide a kind of high temperature resistant of included buffering close pattern is hard
Angle pedestal valve is sealed, to solve the problems mentioned in the above background technology, the present invention is easy to use, and easy to operation, stability is good, can
By property height.
To achieve the goals above, the present invention is to realize by the following technical solutions：The included buffering of one kind closing mould
The high temperature resistant of formula seals angle pedestal valve, including the double cylinder control structures of angled seat valve arrangement, piston type cooling structure and angle pedestal valve firmly,
The angled seat valve arrangement is made of valve body, spool, pin, valve rod, valve seal pad, connector, airtight and watertight padding and spring one, described
Connector is mounted on the lower end of connecting tube, and the ring block of circular in cross-section is fixed on the outside of the connector, the ring block
Downside is equipped with valve seal pad, and the valve seal pad is assembled together with valve body, and the inside of the connector is equipped with valve rod,
The central axes of the valve rod and the central axes of connector are on same straight line, and the lower end of the valve rod is equipped with spool, the valve
Be fixed by pin between bar and spool, the spring one is located at the upper end of airtight and watertight padding, the piston type cooling structure by
Gasket, clamp spring one, piston one, O-ring one, valve deck, plain cushion and clamp spring two form, and clamp spring is fixed with inside the connecting tube
One, piston one and O-ring one, the piston one are in the square cyclic structure in cross section and the end face outside of piston one
The annular groove for offering cross section semicircular in shape, the annular groove mounted inside being distributed on piston one has O-ring one, described
Clamp spring one is mounted on the both sides of the face up and down of piston one, and the valve deck is located at the junction of gas lid one and connecting tube, described flat
Pad is the upper end that cirque structure and plain cushion are located at connecting tube, and the clamp spring two is located on the inner wall of one downside of gas lid, the company
Between the downside end face taken over and spring one by gasket be fixed the double cylinder control structures of the angle pedestal valve by U-shaped oil sealing,
Gas lid one, bushing, connector, ring spring, piston two, O-ring two, hexagonal locking nut, indicating arm, gas lid two and protection
The upper end of cover composition, the valve rod is equipped with gas lid one, and the gas lid one and the junction of valve rod are equipped with bushing, the gas lid
One lower end is equipped with valve deck, and the junction of the valve deck and valve rod is equipped with plain cushion and the upper end of plain cushion is equipped with U-shaped oil sealing,
The gas lid one and the junction of gas lid two are fixed by fixed circlip, and the upper end of the gas lid two is equipped with protective cover,
The inside of the gas lid two is equipped with piston two, and the piston two is fixed together by hexagonal locking nut with indicating arm, institute
It states and spring two is installed between the upper end and piston two inside gas lid two, the centre position of the piston two is equipped with connector,
The junction of the connector and piston two is equipped with O-ring two, the position dress between the lower end and connector of the piston two
Equipped with ring spring.
Further, the spool is made using rubber material.
Further, the valve seal pad is the cyclic structure that cross section is rectangle.
Further, the central axes of the valve rod and the central axes of valve body are on same straight line.
Further, inside of the upper end of the indicating arm through gas lid two and positioned at protective cover.
Further, sealing ring is installed between the piston two and the inner wall of gas lid two.
Beneficial effects of the present invention：A kind of high temperature resistant of included buffering close pattern of the present invention seals angle pedestal valve firmly, leads to
Addition valve seal pad is crossed to realize the sealing between butt joint and valve body, which effectively raises the close of entirety of the invention
Feng Xing solves the problems, such as traditional valve body since sealing does not tightly cause liquid to reveal, and is carried out by pin between valve rod and spool
Fixed, which effectively raises the tightness between valve rod and valve body, in addition is convenient for carrying out more it after spool damage
It changes, which, which is effectively reduced, replaces the required cost of the present invention, and the design of spool is then first to the fixation of valve body, this sets
Meter effectively raises the leakproofness of entirety of the invention.
The restriction to connecting tube interior location is realized by adding piston one, and it is whole which effectively raises the present invention
The leakproofness of body, in addition O-ring one be fixed on valve rod and connect the position between inside pipe wall, which effectively raises this hair
Bright whole leakproofness prevents liquid from flowing out valve body by the inner wall of connecting tube.
The protection to gas lid two is realized by adding protective cover, which effectively raises the leakproofness of the present invention,
The design effectively reduces influence of the dust in air to the present invention, and in addition the addition of clamp spring is then first to gas lid one and gas lid
Two connection, the design are effectively reduced the installation present invention required time.
Description of the drawings
Upon reading the detailed description of non-limiting embodiments with reference to the following drawings, other feature of the invention,
Objects and advantages will become more apparent upon：
Fig. 1 is the structural schematic diagram that a kind of high temperature resistant of included buffering close pattern of the present invention seals angle pedestal valve firmly；
In figure：1- valve bodies, 2- spools, 3- pins, 4- valve rods, 5- valve seals, 6- connectors, 7- airtight and watertight paddings, 8- springs
One, 9- gaskets, 10- connecting tubes, 11- clamp springs one, 12- pistons one, 13-O types circle one, 14- valve decks, 15- plain cushions, 16- clamp springs two,
17-U types oil sealing, 18- gas lid one, 19- bushings, 20- connectors, 21- ring springs, 22- pistons two, 23-O types circle two, 24- six
Angle locking nut, 25- indicating arms, 26- springs two, 27- gas lid two, 28- protective covers.
Specific implementation mode
To make the technical means, the creative features, the aims and the efficiencies achieved by the present invention be easy to understand, with reference to
Specific implementation mode, the present invention is further explained.
Referring to Fig. 1, the present invention provides a kind of technical solution：A kind of hard seal angle of high temperature resistant of included buffering close pattern
Seat valve, including angled seat valve arrangement, the double cylinder control structures of piston type cooling structure and angle pedestal valve, angled seat valve arrangement by valve body 1,
Spool 2, pin 3, valve rod 4, valve seals 5, connector 6, airtight and watertight padding 7 and spring 1 form, and connector 6 is mounted on connecting tube
The outside of 10 lower end, connector 6 is fixed with the ring block of circular in cross-section, and valve seals 5 are equipped on the downside of ring block,
The sealing between butt joint 6 and valve body 1 is realized by adding valve seals 5, and it is whole which effectively raises the present invention
The leakproofness of body solves the problems, such as traditional valve body 1 since sealing does not tightly cause liquid to reveal, and leads between valve rod 4 and spool 2
It crosses pin 3 to be fixed, valve seals 5 are assembled together with valve body 1, and the inside of connector 6 is equipped with valve rod 4, the axis of valve rod 4
The central axes of line and connector 6 are on same straight line, and the lower end of valve rod 4 is equipped with spool 2, passes through pin between valve rod 4 and spool 2
3 are fixed, and spring 1 is located at the upper end of airtight and watertight padding 7.
Piston type cooling structure is by gasket 9, clamp spring 1, piston 1, O-ring 1, valve deck 14, plain cushion 15 and card
Spring 2 16 forms, and clamp spring 1, piston 1 and O-ring 1 are fixed with inside connecting tube 10, and piston 1 is cross section
The annular groove that cross section semicircular in shape is offered in square cyclic structure and the end face outside of piston 1, by adding
Add piston 1 to realize the restriction to 10 interior location of connecting tube, which effectively raises the sealing of entirety of the invention
Property, in addition O-ring 1 is fixed on the position between 10 inner wall of valve rod 4 and connecting tube, which effectively raises the present invention
Whole leakproofness, the annular groove mounted inside being distributed on piston 1 have O-ring 1, clamp spring 1 to be mounted on piston
On one 12 both sides of the face up and down, valve deck 14 is located at the junction of gas lid 1 and connecting tube 10, and plain cushion 15 is cirque structure
And plain cushion 15 is located at the upper end of connecting tube 10, clamp spring 2 16 is located on the inner wall of one 18 downside of gas lid, under the connecting tube 10
It is fixed by gasket 9 between side end face and spring 1.
The double cylinder control structures of angle pedestal valve by U-shaped oil sealing 17, gas lid 1, bushing 19, connector 20, ring spring 21,
Piston 2 22, O-ring 2 23, hexagonal locking nut 24, indicating arm 25, gas lid 2 27 and protective cover 28 form, valve rod 4 it is upper
End is equipped with gas lid 1, and gas lid 1 and the junction of valve rod 4 are equipped with bushing 19, and the lower end of gas lid 1 is equipped with valve deck
14, the upper end that the junction of valve deck 14 and valve rod 4 is equipped with plain cushion 15 and plain cushion 15 is equipped with U-shaped oil sealing 17, gas lid 1 with
The junction of gas lid 2 27 is fixed by fixed circlip, and the upper end of gas lid 2 27 is equipped with protective cover 28, is protected by adding
Shield 28 realizes the protection to gas lid 2 27, which effectively raises the leakproofness of the present invention, which effectively reduces
Influence of the dust to the present invention in air, the inside of gas lid 2 27 are equipped with piston 2 22, and piston 2 22 is locked by hexagonal
Tight nut 24 is fixed together with indicating arm 25, and spring 2 26 is equipped between the upper end inside gas lid 2 27 and piston 2 22,
The centre position of piston 2 22 is equipped with connector 20, and connector 20 and the junction of piston 2 22 are equipped with O-ring 2 23, living
It fills in the position between 2 22 lower end and connector 20 and is equipped with ring spring 21.
Spool 2 is made using rubber material, and valve seals 5 are the cyclic structure that cross section is rectangle, valve rod 4
The central axes of central axes and valve body 1 be on same straight line, the upper end of indicating arm 25 is through gas lid 2 27 and positioned at protective cover
28 inside is equipped with sealing ring between piston 2 22 and the inner wall of gas lid 2 27.
Specific implementation mode：In progress in use, staff first checks the present invention, check for scarce
It falls into, can not just carry out using if there is defect, need that maintenance personal is notified to repair at this time, if there is no asking
It can be carried out using if topic, being sealed property of the present invention tested first, if it find that there is oil during test
The case where liquid is revealed just carries out the replacement of U-shaped oil sealing 17, and the open and close realized to valve body 1 are moved up and down by valve rod 4,
Ring spring 21 plays the purpose for forcing valve rod 4 to set back at this time, during use if it find that the presence of valve body 1 is let out
The case where leakage, at this point, by replacing spool 2.
The above shows and describes the basic principles and main features of the present invention and the advantages of the present invention, for this field skill
For art personnel, it is clear that invention is not limited to the details of the above exemplary embodiments, and without departing substantially from the present invention spirit or
In the case of essential characteristic, the present invention can be realized in other specific forms.Therefore, in all respects, should all incite somebody to action
Embodiment regards exemplary as, and is non-limiting, the scope of the present invention by appended claims rather than on state
Bright restriction, it is intended that including all changes that come within the meaning and range of equivalency of the claims in the present invention
It is interior.Any reference signs in the claims should not be construed as limiting the involved claims.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiment being appreciated that.
Claims (6)
1. a kind of high temperature resistant of included buffering close pattern seals angle pedestal valve, including angled seat valve arrangement, piston type cooling structure firmly
And the double cylinder control structures of angle pedestal valve, it is characterised in that：The angled seat valve arrangement is by valve body (1), spool (2), pin (3), valve
Bar (4), valve seal pad (5), connector (6), airtight and watertight padding (7) and spring one (8) composition, the connector (6), which is mounted on, to be connected
The lower end of (10) is taken over, the ring block of circular in cross-section, the downside dress of the ring block are fixed on the outside of the connector (6)
Equipped with valve seal pad (5), the valve seal pad (5) is assembled together with valve body (1), the inside installation of the connector (6)
There is valve rod (4), the central axes of the valve rod (4) are in the central axes of connector (6) on same straight line, under the valve rod (4)
End is equipped with spool (2), is fixed by pin (3) between the valve rod (4) and spool (2), the airtight and watertight padding (7) is located at
On the inner wall of connector (6), the spring one (8) is located at the upper end of airtight and watertight padding (7)；
The piston type cooling structure is by gasket (9), clamp spring one (11), piston one (12), O-ring one (13), valve deck (14), flat
(15) and clamp spring two (16) composition are padded, clamp spring one (11), piston one (12) and O-shaped are fixed with inside the connecting tube (10)
One (13) are enclosed, the piston one (12) is to be opened up in the square cyclic structure in cross section and the end face outside of piston one (12)
The annular groove for having cross section semicircular in shape, the annular groove mounted inside being distributed on piston one (12) have O-ring one (13),
The clamp spring one (11) is mounted on the both sides of the face up and down of piston one (12), and the valve deck (14) is located at gas lid one (18) and connects
The junction of (10) is taken over, the plain cushion (15) is the upper end that cirque structure and plain cushion (15) are located at connecting tube (10), described
Clamp spring two (16) is located on the inner wall on the downside of gas lid one (18), between the downside end face and spring one (8) of the connecting tube (10)
It is fixed by gasket (9)；
The double cylinder control structures of the angle pedestal valve are by U-shaped oil sealing (17), gas lid one (18), bushing (19), connector (20), annular
Spring (21), piston two (22), O-ring two (23), hexagonal locking nut (24), indicating arm (25), gas lid two (27) and guarantor
Shield (28) forms, and the upper end of the valve rod (4) is equipped with gas lid one (18), the connection of the gas lid one (18) and valve rod (4)
Place is equipped with bushing (19), and the lower end of the gas lid one (18) is equipped with valve deck (14), the company of the valve deck (14) and valve rod (4)
The place of connecing is equipped with plain cushion (15) and the upper end of plain cushion (15) is equipped with U-shaped oil sealing (17), the gas lid one (18) and gas lid two
(27) junction is fixed by clamp spring two (16), and the upper end of the gas lid two (27) is equipped with protective cover (28), described
The inside of gas lid two (27) is equipped with piston two (22), and the piston two (22) passes through hexagonal locking nut (24) and indicating arm
(25) it is fixed together, spring two (26) is installed between the internal upper end of the gas lid two (27) and piston two (22), it is described
The centre position of piston two (22) is equipped with connector (20), and the connector (20) and the junction of piston two (22) are equipped with
O-ring two (23), the position between the lower end of the piston two (22) and connector (20) are equipped with ring spring (21).
2. a kind of high temperature resistant of included buffering close pattern according to claim 1 seals angle pedestal valve firmly, it is characterised in that：
The spool (2) is made using rubber material.
3. a kind of high temperature resistant of included buffering close pattern according to claim 1 seals angle pedestal valve firmly, it is characterised in that：
The valve seal pad (5) is the cyclic structure that cross section is rectangle.
4. a kind of high temperature resistant of included buffering close pattern according to claim 1 seals angle pedestal valve firmly, it is characterised in that：
The central axes of the valve rod (4) are in the central axes of valve body (1) on same straight line.
5. a kind of high temperature resistant of included buffering close pattern according to claim 1 seals angle pedestal valve firmly, it is characterised in that：
Inside of the upper end of the indicating arm (25) through gas lid two (27) and positioned at protective cover (28).
6. a kind of high temperature resistant of included buffering close pattern according to claim 1 seals angle pedestal valve firmly, it is characterised in that：
Sealing ring is installed between the piston two (22) and the inner wall of gas lid two (27).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610679041.7A CN106090245B (en) | 2016-08-17 | 2016-08-17 | It is a kind of it is included buffering close pattern high temperature resistant seal angle pedestal valve firmly |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610679041.7A CN106090245B (en) | 2016-08-17 | 2016-08-17 | It is a kind of it is included buffering close pattern high temperature resistant seal angle pedestal valve firmly |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106090245A CN106090245A (en) | 2016-11-09 |
| CN106090245B true CN106090245B (en) | 2018-10-16 |
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| CN201610679041.7A Active CN106090245B (en) | 2016-08-17 | 2016-08-17 | It is a kind of it is included buffering close pattern high temperature resistant seal angle pedestal valve firmly |
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Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107631043A (en) * | 2017-09-30 | 2018-01-26 | 江苏沃尔坎技研科技有限公司 | A kind of angled seat formula stop valve for being used to control high-temperature, high pressure fluid to switch |
| CN108946172B (en) * | 2018-09-12 | 2024-05-17 | 张家港市沃尔特精密机械有限公司 | Easily-controlled material cutting valve gun for powder feeding equipment |
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| DE202007010395U1 (en) * | 2007-07-26 | 2007-09-27 | Kieselmann Gmbh | globe valve |
| CN201386797Y (en) * | 2009-04-14 | 2010-01-20 | 贺锐 | Explosion-proof two-position two-way fluid pneumatic control angle seat valve |
| CN101705999A (en) * | 2009-12-03 | 2010-05-12 | 上海宏翔机械制造有限公司 | Two-position two-way piston type multimedia angle seat valve with buffer |
| CN102537378A (en) * | 2012-03-02 | 2012-07-04 | 上海宏翔机械制造有限公司 | Two-position two-way piston type multimedium angle seat valve with flange buffering |
| CN102588642A (en) * | 2012-03-02 | 2012-07-18 | 上海宏翔机械制造有限公司 | Two-position two-way piston type flanged buffer multi-medium angle seat valve |
| CN203098887U (en) * | 2013-03-27 | 2013-07-31 | 呼阀科技控股有限公司 | Special high-pressure difference angle valve for black water |
| CN204267741U (en) * | 2014-08-29 | 2015-04-15 | 奉化市鑫潮自动化元件有限公司 | A kind of pneumatic angle pedestal valve |
| CN204042152U (en) * | 2014-09-09 | 2014-12-24 | 浙江康赛特阀门有限公司 | A kind of pneumatic angle pedestal valve with damping device |
| CN205908753U (en) * | 2016-08-17 | 2017-01-25 | 浙江铭天阀门有限公司 | Has high temperature resistant cleat valve sealed firmly from area buffering mode of closing |
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|---|---|
| CN106090245A (en) | 2016-11-09 |
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