CN108612895A - Dovetail groove type soft seal cut-out type regulating valve - Google Patents
Dovetail groove type soft seal cut-out type regulating valve Download PDFInfo
- Publication number
- CN108612895A CN108612895A CN201810775883.1A CN201810775883A CN108612895A CN 108612895 A CN108612895 A CN 108612895A CN 201810775883 A CN201810775883 A CN 201810775883A CN 108612895 A CN108612895 A CN 108612895A
- Authority
- CN
- China
- Prior art keywords
- valve
- valve seat
- spool
- hole
- dovetail groove
- 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
- 230000001105 regulatory effect Effects 0.000 title claims abstract description 17
- 238000007789 sealing Methods 0.000 claims abstract description 36
- 238000005192 partition Methods 0.000 claims abstract description 7
- 238000012856 packing Methods 0.000 claims description 16
- 239000000463 material Substances 0.000 claims description 11
- 210000004907 gland Anatomy 0.000 claims description 7
- 239000000945 filler Substances 0.000 claims description 6
- 239000004677 Nylon Substances 0.000 claims description 5
- 229920001971 elastomer Polymers 0.000 claims description 5
- 229920001778 nylon Polymers 0.000 claims description 5
- 239000005060 rubber Substances 0.000 claims description 5
- -1 polytetrafluoroethylene Polymers 0.000 claims description 4
- 229920001343 polytetrafluoroethylene Polymers 0.000 claims description 4
- 239000004810 polytetrafluoroethylene Substances 0.000 claims description 4
- 125000006850 spacer group Chemical group 0.000 claims description 4
- 238000012545 processing Methods 0.000 abstract description 8
- 230000004888 barrier function Effects 0.000 abstract description 7
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 238000013461 design Methods 0.000 abstract description 3
- 230000006870 function Effects 0.000 description 6
- 230000009711 regulatory function Effects 0.000 description 4
- 230000008439 repair process Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 230000006978 adaptation Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000009434 installation Methods 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000004886 process control Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
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
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/02—Construction of housing; Use of materials therefor of lift 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
- 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
- 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
- F16K1/46—Attachment of sealing rings
-
- 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
- F16K27/08—Guiding yokes for spindles; Means for closing housings; Dust caps, e.g. for tyre valves
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Multiple-Way Valves (AREA)
Abstract
The invention discloses a kind of dovetail groove type soft seal cut-out type regulating valves, including valve body, spool and valve rod, valve body lower-left end is provided with first medium channel, valve body upper right side is provided with second medium channel, current limiting partition board is arranged in valve body, there are one the first positioning grooves for the exit setting of current limliting barrier media through-hole, the first spirotallic gasket is provided in first positioning groove, the first valve seat is provided on first spirotallic gasket, it is axial in the middle part of first valve seat to be provided with valve seat through-hole, valve seat bulge loop has been wholely set on the upper surface of first valve seat, there are one soft sealing valve seat mounting grooves for setting in the middle part of the upper surface of valve seat bulge loop, the soft sealing valve seat mounting groove built-in type is provided with soft sealing valve seat；Spool is mounted in spool movable chamber, and spool upper end is detachably connected with valve rod lower end, and the lower face of spool is provided with sealing convex block.Above-mentioned technical proposal, it is reasonable in design, simple in structure, function is more, good seal performance, difficulty of processing is low, production efficiency is high and easy to maintenance.
Description
Technical field
The present invention relates to valve technology fields, and in particular to a kind of dovetail groove type soft seal cut-out type regulating valve.
Background technology
Regulating valve also known as control valve, in industrial automation process control field, by receiving regulation unit output
Control signal, by power operation go to change rate-of flow, pressure, temperature, the technological parameters such as liquid level final control element.
Generally it is made of executing agency and valve.In the automatically controlling of modern plant, regulating valve plays a very important role, this
The production of a little factories depends on the medium flowed correctly distribution and control.These controls either exchange of energy, pressure
Either simple container charging is reduced, certain final control elements is required for go to complete.
Existing regulating valve structure setting is unreasonable, has a single function, a regulating valve is generally only applicable in cut-out operating mode or tune
Operating mode is saved, and difficulty of processing is big, low production efficiency, repair is inconvenient, poor practicability.
Invention content
In view of the deficiencies of the prior art, the present invention intends to provide it is a kind of it is reasonable in design, simple in structure,
Function is more, good seal performance, difficulty of processing is low, production efficiency is high and dovetail groove type soft seal cut-out type easy to maintenance is adjusted
Valve.
To achieve the above object, the present invention provides following technical solutions：A kind of dovetail groove type soft seal cut-out type adjusting
Valve, including valve body, spool and valve rod, valve body lower-left end are provided with first medium channel, and valve body upper right side is provided with second
Medium channel, the valve body are wholely set current limiting partition board, the limit between first medium channel and second medium channel
It is provided with the medium through hole of one outlet upward on stream partition board, is provided with spool movable chamber above the medium through hole, described the
One medium channel, medium through hole, spool movable chamber are connected to second medium channel；The exit of the medium through hole is provided with one
A first positioning groove is provided with the first spirotallic gasket in first positioning groove, is provided on first spirotallic gasket
First valve seat, in the middle part of first valve seat axial setting integrally set on the upper surface of first valve seat there are one valve seat through-hole
It is equipped with valve seat bulge loop, there are one soft sealing valve seat mounting groove, the soft sealing valve seats for the upper surface middle part setting of the valve seat bulge loop
Mounting groove built-in type is provided with soft sealing valve seat；The spool is mounted in spool movable chamber, spool upper end and valve rod lower end
It is detachably connected, the lower face of the spool is directed at the soft sealing valve seat position and has been wholely set sealing convex block.
It is reasonable in design by using above-mentioned technical proposal, it can meet and not only do cut-out but also the operating mode adjusted need to be done,
The regulatory function of valve is not influenced in the case of VI grades of leakage class of guarantee at all；It is simple in structure, function is more, good seal performance,
Difficulty of processing is low, production efficiency is high and easy to maintenance, and practicability is good.
The present invention is further arranged to：First valve seat upper end is arranged with lower sleeve, and the lower sleeve upper end is arranged with
Upper bush, the upper bush upper end are arranged with the second spirotallic gasket, and second spirotallic gasket upper end is provided with valve deck, the valve deck
It is detachably connected with the valve body upper end.By this setting, lower sleeve and upper bush assembly and disassembly are easy so that spool positioning is reliable.
The present invention is further arranged to：Close to the setting of spool side, there are one sleeve notches for the upper bush lower face, should
Spool balanced seal ring is arranged in sleeve notch, the spool balanced seal ring inner end is contacted with the outer surface of spool.Pass through
This setting, the setting of spool balanced seal ring are reasonable so that spool positioning is relatively reliable.
The present invention is further arranged to：There are one downward opening glove groove, the spools for setting on the spool
Axially there are one valve rod mounting holes, the valve rod lower end to be arranged across valve rod mounting hole for setting at middle part, and valve is exposed in valve rod lower end
Bar installation hole section is threaded with check washer and fastening nut.By this setting, valve core structure setting is more reasonable, valve rod peace
Dress is convenient, and connection is reliable.
The present invention is further arranged to：The longitudinal section of the soft sealing valve seat mounting groove is oat tail groove structure.Pass through this
Setting, soft sealing valve seat mounting groove structure setting is reasonable, and the fluting form of dovetail groove is outer small interior big structure type, so as to
Soft sealing valve seat is firmly fixed in slot.
The present invention is further arranged to：The soft sealing valve seat is made of rubber, nylon or polytetrafluoroethylene material.It is logical
This setting is crossed, inlays the flexible barrier materials such as rubber, nylon in soft sealing valve seat mounting groove Inner in mesolow operating mode.In high pressure
Then in soft sealing valve seat mounting groove Inner inlaid polytetrafluoroethylsliders materials when operating mode.Because flexible barrier material ensures ratio needed for sealing
It forces down, so being more prone to seal.
The present invention is further arranged to：Fixation is bolted with valve body in the valve deck；It is provided on the valve deck
Stem through-hole, the stem through-hole upper end are provided with packing groove.
The present invention is further arranged to：Be disposed with from bottom to up in the packing groove Packing seat, V-type filler, from
Airtight and watertight padding, spacer and gland, the gland are connect with packing groove threaded upper ends.
It is an advantage of the invention that：Compared with prior art, structure of the invention setting is more reasonable, can meet and both cut off
The operating mode adjusted need to be done again, do not influence the regulatory function of valve at all in the case where ensureing leakage class VI grades；Simple in structure,
Function is more, good seal performance, difficulty of processing is low, production efficiency is high and easy to maintenance, and practicability is good.
The invention will be further described with specific embodiment with reference to the accompanying drawings of the specification.
Description of the drawings
Fig. 1 is the structural schematic diagram of the embodiment of the present invention；
Fig. 2 is the enlarged diagram in the portions I in Fig. 1.
Specific implementation mode
Referring to Fig. 1 and Fig. 2, a kind of dovetail groove type soft seal cut-out type regulating valve disclosed by the invention, including valve body 1, valve
Core 2 and valve rod 3,1 lower-left end of the valve body are provided with first medium channel 11, and 1 upper right side of valve body is provided with second medium channel
12, the valve body 1 is wholely set current limiting partition board 13, the limit between first medium channel 11 and second medium channel 12
The medium through hole 131 of one outlet upward is provided on stream partition board 13,131 top of the medium through hole is provided with spool movable chamber
14, the first medium channel 11, medium through hole 131, spool movable chamber 14 are connected to second medium channel 12；The medium is logical
The exit setting in hole 131 is provided with the first wound gasket there are one the first positioning groove 132 in first positioning groove 132
Piece 4, is provided with the first valve seat 5 on first spirotallic gasket 4, and that there are one valve seats is logical for the axial setting in first valve seat, 5 middle part
Hole 51 has been wholely set valve seat bulge loop 52 on the upper surface of first valve seat 5, has been set in the middle part of the upper surface of the valve seat bulge loop 52
It sets there are one soft sealing valve seat mounting groove 521, which is provided with soft sealing valve seat 6；Institute
Spool 2 is stated in spool movable chamber 14,2 upper end of spool is detachably connected with valve rod lower end, the lower face pair of the spool 2
Accurate 6 position of soft sealing valve seat has been wholely set sealing convex block 21.
Preferably, 5 upper end of the first valve seat is arranged with lower sleeve 7,7 upper end of the lower sleeve is arranged with upper bush
8,8 upper end of the upper bush is arranged with the second spirotallic gasket 9, and 9 upper end of the second spirotallic gasket is provided with valve deck 10, the valve deck
10 are detachably connected with 1 upper end of the valve body.
8 lower face of the upper bush there are one sleeve notch 81, is arranged with close to the setting of spool side in the sleeve notch 81
Spool balanced seal ring 15,15 inner end of spool balanced seal ring are contacted with the outer surface of spool 2.
There are one downward opening glove grooves 22 for setting on the spool 2, and there are one the axial settings in 2 middle part of the spool
Valve rod mounting hole 23,3 lower end of the valve rod are arranged across valve rod mounting hole 23, and 3 lower end of valve rod exposes valve rod and installs hole section spiral shell
Line is connected with check washer 16 and fastening nut 17.
The longitudinal section of the soft sealing valve seat mounting groove 521 is oat tail groove structure.The fluting form of dovetail groove is outer small interior
Big structure type, so as to which soft sealing valve seat to be firmly fixed in slot.
The soft sealing valve seat 6 is made of rubber, nylon or polytetrafluoroethylene material.In mesolow operating mode in soft seal
Valve seat mounting groove Inner inlays the flexible barrier materials such as rubber, nylon.It is then inlayed in soft sealing valve seat mounting groove Inner in high pressure operating mode
Embedding polytetrafluoroethylene material.Because flexible barrier material ensures that ratio needed for sealing forces down, it is more prone to seal.
Fixation is bolted with valve body 1 in the valve deck 10；Stem through-hole 101 is provided on the valve deck 10, it is described
101 upper end of stem through-hole is provided with packing groove 102.
Packing seat 18, V-type filler 19, self-sealing packing 20, spacer are disposed in the packing groove 102 from bottom to up
24 and gland 25, the gland 25 connect with 102 threaded upper ends of packing groove.By lock gland 25 compress every
Set 24, spacer 24 compress self-sealing packing 20, which compresses V-type filler 19, and V-type filler 19 compresses Packing seat
18, there is multi-sealing function, good seal performance to be not easy to leak.
When practical application, it can meet and not only do cut-out but also the operating mode adjusted need to be done, the case where ensureing leakage class VI grades
The lower regulatory function for not influencing valve at all；It is simple in structure, function is more, good seal performance, difficulty of processing is low, production efficiency is high and
Easy to maintenance, practicability is good.
The invention has the advantages that：
(1) it processes, repair conveniently；It is only needed when repairing by built-in flexible barrier material (soft sealing valve seat)
It splits out and more renews.
(2) when in use, the moment opened and closed does not have friction phenomenon.Because embedded flexible barrier material is (soft
Seal valve seat) it is contacted with valve core sealed cover afterwards as flat seal.Therefore it is not easy to abrade sealing surface.
(3) the fluting form of dovetail groove is outer small interior big structure type, so as to which sealing material to be firmly fixed on
In slot.
(4) regulatory function of valve is not influenced in the case where ensureing VI leakages at all.Existing old product is using hard sealing
Structure difficulty of processing is extremely difficult to greatly VI leakages.Process time and difficult processing is not only greatly saved in the improvement of structure of the invention
Degree, and it is more convenient to repair replacement.
Above-described embodiment is served only for that invention is further explained to the specific descriptions of the present invention, should not be understood as
Limiting the scope of the present invention, it is non-that the technician of this field according to the content of foregoing invention makes some to the present invention
The modifications and adaptations of essence are each fallen within protection scope of the present invention.
Claims (8)
1. a kind of dovetail groove type soft seal cut-out type regulating valve, including valve body (1), spool (2) and valve rod (3), the valve body (1)
Lower-left end is provided with first medium channel (11), and valve body (1) upper right side is provided with second medium channel (12), the valve body (1)
Current limiting partition board (13), the current limliting partition board are wholely set between first medium channel (11) and second medium channel (12)
(13) it is provided with the medium through hole (131) of one outlet upward on, spool movable chamber is provided with above the medium through hole (131)
(14), the first medium channel (11), medium through hole (131), spool movable chamber (14) are connected to second medium channel (12)；
It is characterized in that：There are one the first positioning groove (132), first positioning for the exit setting of the medium through hole (131)
It is provided with the first spirotallic gasket (4) in groove (132), the first valve seat (5) is provided on first spirotallic gasket (4), it is described
Axial setting has been wholely set on the upper surface of first valve seat (5) there are one valve seat through-hole (51) in the middle part of first valve seat (5)
Valve seat bulge loop (52), there are one soft sealing valve seat mounting grooves (521) for the upper surface middle part setting of the valve seat bulge loop (52), this is soft
Seal valve seat mounting groove (521) built-in type is provided with soft sealing valve seat (6)；The spool (2) is mounted on spool movable chamber
(14) in, spool (2) upper end is detachably connected with valve rod (3) lower end, and the lower face of the spool (2) is directed at the soft sealing valve
Seat (6) position has been wholely set sealing convex block (21).
2. a kind of dovetail groove type soft seal cut-out type regulating valve according to claim 1, it is characterised in that：First valve
Seat (5) upper end is arranged with lower sleeve (7), and lower sleeve (7) upper end is arranged with upper bush (8), end cap on the upper bush (8)
Equipped with the second spirotallic gasket (9), the second spirotallic gasket (9) upper end is provided with valve deck (10), the valve deck (10) and the valve
Body (1) upper end is detachably connected.
3. a kind of dovetail groove type soft seal cut-out type regulating valve according to claim 2, it is characterised in that：The upper bush
(8) close to the setting of spool side there are one sleeve notch (81), the sleeve notch (81) is interior to be arranged with spool balanced seal for lower face
Ring (15), the spool balanced seal ring (15) inner end are contacted with the outer surface of spool (2).
4. a kind of dovetail groove type soft seal cut-out type regulating valve according to claim 3, it is characterised in that：The spool
(2) there are one downward opening glove grooves (22) for setting on, and there are one valve rod mounting holes for the axial setting in spool (2) middle part
(23), valve rod (3) lower end is arranged across valve rod mounting hole (23), and valve rod (3) lower end exposes valve rod and installs hole section screw thread
It is connected with check washer (16) and fastening nut (17).
5. a kind of dovetail groove type soft seal cut-out type regulating valve according to claim 1 or 4, it is characterised in that：It is described soft
The longitudinal section of seal valve seat mounting groove (521) is oat tail groove structure.
6. a kind of dovetail groove type soft seal cut-out type regulating valve according to claim 1 or 4, it is characterised in that：It is described soft
Seal valve seat (6) is made of rubber, nylon or polytetrafluoroethylene material.
7. a kind of dovetail groove type soft seal cut-out type regulating valve according to claim 1, it is characterised in that：The valve deck
(10) fixation is bolted with valve body (1)；It is provided with stem through-hole (101), the stem through-hole on the valve deck (10)
(101) upper end is provided with packing groove (102).
8. a kind of dovetail groove type soft seal cut-out type regulating valve according to claim 7, it is characterised in that：The packing groove
(102) it is disposed with Packing seat (18), V-type filler (19), self-sealing packing (20), spacer (24) and filler from bottom to up in
Gland (25), the gland (25) connect with packing groove (102) threaded upper ends.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775883.1A CN108612895A (en) | 2018-07-16 | 2018-07-16 | Dovetail groove type soft seal cut-out type regulating valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810775883.1A CN108612895A (en) | 2018-07-16 | 2018-07-16 | Dovetail groove type soft seal cut-out type regulating valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN108612895A true CN108612895A (en) | 2018-10-02 |
Family
ID=63666379
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810775883.1A Pending CN108612895A (en) | 2018-07-16 | 2018-07-16 | Dovetail groove type soft seal cut-out type regulating valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108612895A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828634A (en) * | 2020-06-22 | 2020-10-27 | 安徽康赛特流体控制科技有限公司 | Governing valve based on elastic seal |
| CN119934297A (en) * | 2025-04-08 | 2025-05-06 | 浙江贝尔控制阀门有限公司 | A high-frequency opening and closing easy-to-maintain pneumatic control valve |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB370451A (en) * | 1931-01-08 | 1932-04-08 | Johann Zagorski | Improvements in or relating to fluid-tight valves especially for high pressures and temperatures |
| CN103216631A (en) * | 2013-04-01 | 2013-07-24 | 无锡富盛阀业有限公司 | Valve |
| CN204004645U (en) * | 2014-08-18 | 2014-12-10 | 浙江金锋自动化仪表有限公司 | Soft seal sleeve adjusting valve |
| CN206159501U (en) * | 2016-11-03 | 2017-05-10 | 浙江武精机器制造有限公司 | Combustion air valve |
| CN208457295U (en) * | 2018-07-16 | 2019-02-01 | 浙江贝尔控制阀门有限公司 | Dovetail groove type soft seal cutting type regulating valve |
-
2018
- 2018-07-16 CN CN201810775883.1A patent/CN108612895A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB370451A (en) * | 1931-01-08 | 1932-04-08 | Johann Zagorski | Improvements in or relating to fluid-tight valves especially for high pressures and temperatures |
| CN103216631A (en) * | 2013-04-01 | 2013-07-24 | 无锡富盛阀业有限公司 | Valve |
| CN204004645U (en) * | 2014-08-18 | 2014-12-10 | 浙江金锋自动化仪表有限公司 | Soft seal sleeve adjusting valve |
| CN206159501U (en) * | 2016-11-03 | 2017-05-10 | 浙江武精机器制造有限公司 | Combustion air valve |
| CN208457295U (en) * | 2018-07-16 | 2019-02-01 | 浙江贝尔控制阀门有限公司 | Dovetail groove type soft seal cutting type regulating valve |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111828634A (en) * | 2020-06-22 | 2020-10-27 | 安徽康赛特流体控制科技有限公司 | Governing valve based on elastic seal |
| CN119934297A (en) * | 2025-04-08 | 2025-05-06 | 浙江贝尔控制阀门有限公司 | A high-frequency opening and closing easy-to-maintain pneumatic control valve |
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| 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 | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20181002 |