CN109084034A - A kind of split type double valve flap regulation valve and its application method - Google Patents
A kind of split type double valve flap regulation valve and its application method Download PDFInfo
- Publication number
- CN109084034A CN109084034A CN201811303115.2A CN201811303115A CN109084034A CN 109084034 A CN109084034 A CN 109084034A CN 201811303115 A CN201811303115 A CN 201811303115A CN 109084034 A CN109084034 A CN 109084034A
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- CN
- China
- Prior art keywords
- valve
- sealing surface
- flap
- adjusting
- rod
- 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.)
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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
- 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
- F16K1/44—Details of seats or valve members of double-seat valves
-
- 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
-
- 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
-
- 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
- F16K1/42—Valve seats
-
- 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
- F16K27/02—Construction of housing; Use of materials therefor of lift valves
Abstract
The present invention relates to a kind of split type double valve flap regulation valve and its application method, application method: 1. are sealed test first, when valve is in close state, are passed through test(ing) medium from intake channel, observation exit passageway has No leakage；2. if there are no when formation sealing between lower Disc sealing surface and lower valve base sealing surface, unclamp locking device, rotate clockwise adjusting set, adjusting rod is driven to rotate clockwise, control lower valve rod and lower Disc move down, until lower Disc sealing surface and lower valve base sealing surface are formed and sealed, adjusting set is locked with locking device；3. if there are no when formation sealing between upper flap sealing surface and upper valve base sealing surface, locking device is unclamped, rotates adjusting set counterclockwise, control upper flap moves down, until upper flap sealing surface and upper valve base sealing surface are formed and sealed, adjusting set is locked with locking device；4. the valve of pass the test is installed on pipeline, have the advantages that easy to adjust, adjusting precision is high.
Description
Technical field
The present invention relates to a kind of regulating valve more particularly to a kind of split type double valve flap regulation valve application methods.
Background technique
Double seat regulating valve specifically includes that valve body, upper valve base, lower valve base, upper flap, lower Disc, valve inner be equipped with into
Mouth channel and exit passageway, intake channel lateral arrangement, exit passageway are arranged at horizontal y-type structure, intake channel and exit passageway
Between be equipped with the cavity wall of horizontal U-shaped structure, the top of cavity wall is arranged in upper valve base, and the lower part of cavity wall, upper and lower valve seat is arranged in lower valve base
Upper end be respectively equipped with upper and lower sealing surface of seat, upper and lower flap is fixed on the lower part of valve rod at tandem, upper and lower flap this
Equipped with lower valve rod, upper flap setting outlet upper part of channel, lower Disc setting is respectively equipped in the middle part of intake channel, upper and lower flap
Upper and lower valve clack sealing surface can control upper and lower valve clack sealing surface and upper and lower sealing surface of seat by moving up and down upper valve rod respectively
The distance between, so that playing the role of regulating valve goes out pressure, flow, and its shortcoming is that: due to mismachining tolerance, assembly etc.
Influence, when mobile upper valve rod, the distance between upper flap sealing surface and upper valve base sealing surface can not be with lower Disc sealing surfaces
The distance between lower valve base sealing surface is consistent, when needing to close the valve, is unable to reach whole sealing status, leakage rate is big, together
When upper flap and lower Disc between be fixedly installed, have processing difficulties, technological deficiency at high cost.
Summary of the invention
For technological deficiency existing in the prior art, the present invention provides a kind of using good airproof performance, adjusting stabilization, vibrationproof
A kind of good split type double valve flap regulation valve of dynamic property and its application method.
The present invention realizes by following technical solution:
A kind of split type double valve flap regulation valve, comprising: valve body, upper valve base, lower valve base, upper flap, lower Disc, valve deck, upper valve
Bar, bracket and driving device, valve inner be equipped with intake channel and exit passageway, intake channel lateral arrangement, exit passageway at
Horizontal y-type structure setting, is equipped with the cavity wall of horizontal U-shaped structure, the upper of cavity wall is arranged in upper valve base between intake channel and exit passageway
Portion, lower valve base are arranged in the lower part of cavity wall, and the upper end of upper and lower valve seat is respectively equipped with upper and lower sealing surface of seat, upper and lower flap at
Tandem is mounted on the lower section of upper valve rod, is equipped with lower valve rod between upper and lower flap, and lower valve rod lower end is fixedly connected with lower Disc,
Upper flap setting is respectively equipped with upper and lower flap in the middle part of intake channel, upper and lower flap in exit passageway top, lower Disc setting
Sealing surface, valve deck setting is in valve body upper end, and valve deck upper end is equipped with groove, is equipped with filler in groove, and groove top is additionally provided with gland,
Gland compresses downwards filler, and pedestal lower end is fixedly mounted on valve deck top, the rack-mount portion of driving device, upper valve rod upper end
Valve deck, groove and bracket is upwardly penetrated through to protrude into driving device, it is characterised in that: the valve further includes vertically arranged adjusting rod,
The adjusting rod upper end is protruded into inside upper flap after upwardly penetrating through lower Disc and lower valve rod, and adjusting rod upper end is equipped with and limits the adjusting rod
The limited block mobile relative to upper flap, adjusting rod upper end are additionally provided with adjusting external screw thread, be additionally provided with inside upper flap promoted mouth and
Anti-rotation groove promotes mouth top and is equipped with the adjusting internal screw thread matched with adjusting external screw thread, is promoted to be equipped with outside mouth and protrudes into anti-rotation groove
Anti-rotation shin, promoted and be equipped with hook-shaped groove inside mouth, the lift block of plank frame is equipped in the hook-shaped groove, lower valve rod extends upwardly into
It is fixedly connected in flap and with lift block, adjusting rod lower end extends downwardly valve body, vertical card slot is equipped at adjusting rod lower end, in valve
The lower section of body is equipped with adjusting set and lateral pin, and lateral pin is connect after being horizontally through vertical card slot with adjusting set, and rotation adjusting set can drive
Adjusting rod rotation, valve body lower portion outside are additionally provided with locking device, which can prevent adjusting set from rotating, the valve body and valve
It is equipped with guide sleeve between lid, vertical through-hole is equipped with inside guide sleeve, upper flap top, which is equipped with, forms upper and lower guiding with the through-hole
Guide rod, guide rod upper end is fixedly connected with upper valve rod lower end, and the guide rod outer circle is additionally provided with one layer of wearable hard alloy,
The wearable hard alloy is fixed on guide rod outer circle by the way of built-up welding, and the through-hole surfaces are equipped with the groove that blocks water.
A kind of split type double valve flap regulation valve application method of the present invention is as follows:
1. being sealed test first, when valve is in close state, it is passed through test(ing) medium from intake channel, observation outlet is logical
There is No leakage in road；
2. observation, if having formed sealing between upper flap sealing surface and upper valve base sealing surface, and lower Disc sealing surface and lower valve
When between seat sealing surface there are no sealing is formed, locking device is unclamped, rotates clockwise adjusting set, adjusting rod is driven to revolve clockwise
Turn, adjust external screw thread and adjust internal screw thread cooperation under, promoted mouth drive lift block move down, while drive lower valve rod and
Lower Disc moves down, until lower Disc sealing surface and lower valve base sealing surface are formed and sealed, locks adjusting set with locking device；
3. observation, if having formed sealing between lower Disc sealing surface and lower valve base sealing surface, and upper flap sealing surface and upper valve
When between seat sealing surface there are no sealing is formed, locking device is unclamped, rotates adjusting set counterclockwise, adjusting rod is driven to revolve counterclockwise
Turn, in the case where adjusting external screw thread and adjusting the cooperation of internal screw thread, upper flap is moved down, until upper flap sealing surface and upper valve base are close
Cover forms sealing, locks adjusting set with locking device；
4. the valve of pass the test is installed on pipeline, upper and lower valve clack sealing surface is adjusted respectively and above and below using driving device
The distance between sealing surface of seat, which is realized, adjusts pressure or flow.
The present invention has the advantages that the setting of adjusting rod, when opening/shutting valve, it is ensured that upper flap sealing surface and upper valve base sealing
The distance between face is consistent with the distance between lower Disc sealing surface and lower valve base sealing surface, has the advantages that good airproof performance；Together
When have the advantages that it is easy to process, at low cost；The setting of guide sleeve has the advantages that vibration proof is good, and assembly method has
Simply, fast, the high advantage of assembly qualified rate；Its application method has the advantages that easy to adjust, adjusting precision is high.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of split type double valve flap regulation valve of the present invention.
Specific embodiment
As can be seen from FIG. 1, a kind of split type double valve flap regulation valve, comprising: valve body 1, upper valve base 6, lower valve base 2, upper valve
Valve 7, lower Disc 3, valve deck 11, upper valve rod 12, bracket 15 and driving device 16, intake channel is equipped with inside valve body 1 and outlet is logical
Road, intake channel lateral arrangement, exit passageway are arranged at horizontal y-type structure, and horizontal U-shaped knot is equipped between intake channel and exit passageway
The top of cavity wall is arranged in the cavity wall of structure, upper valve base 6, and the lower part of cavity wall, the upper end point of upper and lower valve seat 6,2 is arranged in lower valve base 2
Not She You upper and lower sealing surface of seat, upper and lower flap 7,3 one-tenth tandems are mounted on the lower section of upper valve rod 12, upper and lower flap 7,3 it
Between be equipped with lower valve rod 4,4 lower end of lower valve rod is fixedly connected with lower Disc 3, and the setting of upper flap 7 is in exit passageway top, lower Disc 3
Setting is respectively equipped with upper and lower valve clack sealing surface at intake channel, upper and lower 7,3 middle part of flap, and valve deck 11 is arranged in 1 upper end of valve body,
11 upper end of valve deck is equipped with groove, and filler 13 is equipped in groove, and groove top is additionally provided with gland 14, and gland 14 compresses downwards filler
13,15 lower end of bracket is fixedly mounted on 11 top of valve deck, and driving device 16 is mounted on 15 top of bracket, and 12 upper end of upper valve rod is upward
It penetrates valve deck 11, groove and bracket 15 to protrude into driving device 16, which further includes vertically arranged adjusting rod 5, the adjusting rod 5
Upper end is protruded into inside upper flap 7 after upwardly penetrating through lower Disc 3 and lower valve rod 4, and 5 upper end of adjusting rod is equipped with and limits 5 phase of adjusting rod
For the mobile limited block of upper flap 7,5 upper end of adjusting rod is additionally provided with adjusting external screw thread, is additionally provided with inside upper flap 7 and promotes mouth 9
And anti-rotation groove, it promotes 9 top of mouth and is equipped with the adjusting internal screw thread matched with adjusting external screw thread, promoted anti-equipped with protruding into outside mouth 9
The anti-rotation shin of turn trough is promoted and is equipped with hook-shaped groove inside mouth 9, is equipped with the lift block 8 of plank frame in the hook-shaped groove, lower valve rod 4 to
On protrude into upper flap 7 and be fixedly connected with lift block 8,5 lower end of adjusting rod extends downwardly valve body 1, and adjusting rod is equipped at 5 lower end
Vertical card slot is equipped with adjusting set 18 and lateral pin 19 in the lower section of valve body 1, and lateral pin 19 is horizontally through after vertical card slot and adjusting set 18
Connection, rotation adjusting set 18 can drive adjusting rod 5 to rotate, and 1 lower outside of valve body also locking device 17, the locking device 17 can be prevented
Only adjusting set 18 rotates, and is equipped with rubber seal between 5 outer circle of adjusting rod and lower Disc 3, the valve body 1 and valve deck 11 it
Between be equipped with guide sleeve 10, vertical through-hole is equipped with inside guide sleeve 10,7 top of upper flap is equipped with to be formed with the through-hole and lead above and below
To guide rod, guide rod upper end is fixedly connected with 12 lower end of upper valve rod, and the guide rod outer circle is additionally provided with one layer of abrasion-resistive hard
Alloy, the wearable hard alloy are fixed on guide rod outer circle by the way of built-up welding, and the through-hole surfaces are equipped with the groove that blocks water.
A kind of split type double valve flap regulation valve application method of the present invention is as follows:
1. being sealed test first, when valve is in close state, it is passed through test(ing) medium from intake channel, observation outlet is logical
There is No leakage in road；
2. observation, if having formed sealing between upper flap sealing surface and upper valve base sealing surface, and lower Disc sealing surface and lower valve
When between seat sealing surface there are no sealing is formed, locking device 17 is unclamped, rotates clockwise adjusting set 18, drives adjusting rod 5 suitable
Hour hands rotation promotes mouth 9 and lift block 8 is driven to move down, drive simultaneously in the case where adjusting external screw thread and adjusting the cooperation of internal screw thread
Lower valve rod 4 and lower Disc 3 move down, until lower Disc sealing surface and lower valve base sealing surface are formed and sealed, with locking device 17
Locked adjusting set 18；
3. observation, if having formed sealing between lower Disc sealing surface and lower valve base sealing surface, and upper flap sealing surface and upper valve
When between seat sealing surface there are no sealing is formed, locking device is unclamped, rotates adjusting set counterclockwise, adjusting rod is driven to revolve counterclockwise
Turn, in the case where adjusting external screw thread and adjusting the cooperation of internal screw thread, upper flap is moved down, until upper flap sealing surface and upper valve base are close
Cover forms sealing, locks adjusting set with locking device；
4. the valve of pass the test is installed on pipeline, upper and lower valve clack sealing surface is adjusted respectively and above and below using driving device
The distance between sealing surface of seat, which is realized, adjusts pressure or flow.
At this point, in the valve use process, when driving device drives upper valve rod to move up and down, upper flap sealing surface and upper
The distance between sealing surface of seat is consistent with the distance between lower Disc sealing surface and lower valve base sealing surface.
In conclusion the above is merely preferred embodiments of the present invention, being not intended to limit the scope of the present invention.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (2)
1. a kind of split type double valve flap regulation valve, comprising: valve body, upper valve base, lower valve base, upper flap, lower Disc, valve deck, upper valve
Bar, bracket and driving device, valve inner be equipped with intake channel and exit passageway, intake channel lateral arrangement, exit passageway at
Horizontal y-type structure setting, is equipped with the cavity wall of horizontal U-shaped structure, the upper of cavity wall is arranged in upper valve base between intake channel and exit passageway
Portion, lower valve base are arranged in the lower part of cavity wall, and the upper end of upper and lower valve seat is respectively equipped with upper and lower sealing surface of seat, upper and lower flap at
Tandem is mounted on the lower section of upper valve rod, is equipped with lower valve rod between upper and lower flap, and lower valve rod lower end is fixedly connected with lower Disc,
Upper flap setting is respectively equipped with upper and lower flap in the middle part of intake channel, upper and lower flap in exit passageway top, lower Disc setting
Sealing surface, valve deck setting is in valve body upper end, and valve deck upper end is equipped with groove, is equipped with filler in groove, and groove top is additionally provided with gland,
Gland compresses downwards filler, and pedestal lower end is fixedly mounted on valve deck top, the rack-mount portion of driving device, upper valve rod upper end
Valve deck, groove and bracket is upwardly penetrated through to protrude into driving device, it is characterised in that: the valve further includes vertically arranged adjusting rod,
The adjusting rod upper end is protruded into inside upper flap after upwardly penetrating through lower Disc and lower valve rod, and adjusting rod upper end is equipped with and limits the adjusting rod
The limited block mobile relative to upper flap, adjusting rod upper end are additionally provided with adjusting external screw thread, be additionally provided with inside upper flap promoted mouth and
Anti-rotation groove promotes mouth top and is equipped with the adjusting internal screw thread matched with adjusting external screw thread, is promoted to be equipped with outside mouth and protrudes into anti-rotation groove
Anti-rotation shin, promoted and be equipped with hook-shaped groove inside mouth, the lift block of plank frame is equipped in the hook-shaped groove, lower valve rod extends upwardly into
It is fixedly connected in flap and with lift block, adjusting rod lower end extends downwardly valve body, vertical card slot is equipped at adjusting rod lower end, in valve
The lower section of body is equipped with adjusting set and lateral pin, and lateral pin is connect after being horizontally through vertical card slot with adjusting set, and rotation adjusting set can drive
Adjusting rod rotation, valve body lower portion outside are additionally provided with locking device, which can prevent adjusting set from rotating, the valve body and valve
It is equipped with guide sleeve between lid, vertical through-hole is equipped with inside guide sleeve, upper flap top, which is equipped with, forms upper and lower guiding with the through-hole
Guide rod, guide rod upper end is fixedly connected with upper valve rod lower end, and the guide rod outer circle is additionally provided with one layer of wearable hard alloy,
The wearable hard alloy is fixed on guide rod outer circle by the way of built-up welding, and the through-hole surfaces are equipped with the groove that blocks water.
2. a kind of split type double valve flap regulation valve application method, application method are as follows:
1) is sealed test first, when valve is in close state, is passed through test(ing) medium, observation outlet from intake channel
There is No leakage in channel；
2) is observed, if having formed sealing between upper flap sealing surface and upper valve base sealing surface, and lower Disc sealing surface and lower valve
When between seat sealing surface there are no sealing is formed, locking device is unclamped, rotates clockwise adjusting set, adjusting rod is driven to revolve clockwise
Turn, adjust external screw thread and adjust internal screw thread cooperation under, promoted mouth drive lift block move down, while drive lower valve rod and
Lower Disc moves down, until lower Disc sealing surface and lower valve base sealing surface are formed and sealed, locks adjusting set with locking device；
3) is observed, if having formed sealing between lower Disc sealing surface and lower valve base sealing surface, and upper flap sealing surface and upper valve
When between seat sealing surface there are no sealing is formed, locking device is unclamped, rotates adjusting set counterclockwise, adjusting rod is driven to revolve counterclockwise
Turn, in the case where adjusting external screw thread and adjusting the cooperation of internal screw thread, upper flap is moved down, until upper flap sealing surface and upper valve base are close
Cover forms sealing, locks adjusting set with locking device；
4) valve of pass the test is installed on pipeline by, using driving device adjust upper and lower valve clack sealing surface respectively with it is upper,
The distance between lower valve base sealing surface, which is realized, adjusts pressure or flow.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303115.2A CN109084034B (en) | 2018-11-02 | 2018-11-02 | Split type double-valve-clack regulating valve and application method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811303115.2A CN109084034B (en) | 2018-11-02 | 2018-11-02 | Split type double-valve-clack regulating valve and application method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109084034A true CN109084034A (en) | 2018-12-25 |
| CN109084034B CN109084034B (en) | 2020-05-29 |
Family
ID=64844691
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811303115.2A Active CN109084034B (en) | 2018-11-02 | 2018-11-02 | Split type double-valve-clack regulating valve and application method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109084034B (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE330210C (en) * | 1917-02-15 | 1920-12-10 | Cockburns Ltd | |
| GB323996A (en) * | 1929-05-16 | 1930-01-16 | Cockburns Ltd | Improvements in stop valves |
| US3012583A (en) * | 1960-07-25 | 1961-12-12 | Manning Maxwell & Moore Inc | Double-seated valve for high temperature work |
| JPS5530546A (en) * | 1978-08-23 | 1980-03-04 | Hitachi Ltd | Proportional solenoid valve |
| CN2095978U (en) * | 1991-06-22 | 1992-02-12 | 龚锦 | Automatic pressure head limited valve |
| CN2641393Y (en) * | 2003-09-18 | 2004-09-15 | 张晓佳 | Cone core type shutoff valve |
| CN201173298Y (en) * | 2008-04-03 | 2008-12-31 | 鞍山电磁阀有限责任公司 | Straight moving type double-way electromagnetic valve |
| CN101551021A (en) * | 2008-04-03 | 2009-10-07 | 鞍山电磁阀有限责任公司 | Direct-acting type two-way solenoid valve |
-
2018
- 2018-11-02 CN CN201811303115.2A patent/CN109084034B/en active Active
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE330210C (en) * | 1917-02-15 | 1920-12-10 | Cockburns Ltd | |
| GB323996A (en) * | 1929-05-16 | 1930-01-16 | Cockburns Ltd | Improvements in stop valves |
| US3012583A (en) * | 1960-07-25 | 1961-12-12 | Manning Maxwell & Moore Inc | Double-seated valve for high temperature work |
| JPS5530546A (en) * | 1978-08-23 | 1980-03-04 | Hitachi Ltd | Proportional solenoid valve |
| CN2095978U (en) * | 1991-06-22 | 1992-02-12 | 龚锦 | Automatic pressure head limited valve |
| CN2641393Y (en) * | 2003-09-18 | 2004-09-15 | 张晓佳 | Cone core type shutoff valve |
| CN201173298Y (en) * | 2008-04-03 | 2008-12-31 | 鞍山电磁阀有限责任公司 | Straight moving type double-way electromagnetic valve |
| CN101551021A (en) * | 2008-04-03 | 2009-10-07 | 鞍山电磁阀有限责任公司 | Direct-acting type two-way solenoid valve |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109084034B (en) | 2020-05-29 |
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Effective date of registration: 20200506 Address after: Dong'ou Industrial Park, Oubei Town, Yongjia County, Wenzhou City, Zhejiang province 325105 Applicant after: Zhejiang Ruixin automatic control instrument Co., Ltd Address before: 325115, Zhejiang, Wenzhou province Yongjia County town of rock head carp Creek Village Applicant before: Li Qiong |
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