CN108374921B - Decompression assembly for fluid pipeline and fluid pipeline - Google Patents
Decompression assembly for fluid pipeline and fluid pipeline Download PDFInfo
- Publication number
- CN108374921B CN108374921B CN201810427724.2A CN201810427724A CN108374921B CN 108374921 B CN108374921 B CN 108374921B CN 201810427724 A CN201810427724 A CN 201810427724A CN 108374921 B CN108374921 B CN 108374921B
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- CN
- China
- Prior art keywords
- sealing
- shell
- flow channel
- valve core
- end cover
- Prior art date
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Links
- 239000012530 fluid Substances 0.000 title claims abstract description 54
- 230000006837 decompression Effects 0.000 title abstract description 12
- 238000007789 sealing Methods 0.000 claims abstract description 111
- 229920001971 elastomer Polymers 0.000 claims abstract description 9
- 239000000806 elastomer Substances 0.000 claims abstract description 5
- 238000003466 welding Methods 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 6
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000035939 shock Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 239000002699 waste 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
- F16K17/22—Excess-flow valves actuated by the difference of pressure between two places in the flow line
- F16K17/24—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member
- F16K17/28—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only
- F16K17/30—Excess-flow valves actuated by the difference of pressure between two places in the flow line acting directly on the cutting-off member operating in one direction only spring-loaded
Abstract
The invention discloses a pressure reducing component for a fluid pipeline and the fluid pipeline, wherein the pressure reducing component comprises a shell, a valve core, an upper end cover, a supporting seat, an upper sealing component, a lower end cover, an elastomer and a lower sealing component, the valve core is hermetically arranged in the shell through the lower sealing component, and a hollow runner is arranged in a central shaft of the valve core; the elastic body is arranged in a cavity formed by the shell and the valve core; the support seat is in sealing connection with the inner wall of the shell and the outer wall above the valve core through an upper sealing assembly, an upper flow channel groove is formed in the support seat, the valve core can move upwards along the upper flow channel groove, an upper end cover is arranged above the support seat and fixed with the shell, and a plurality of inlet flow channels are formed in the upper end cover; the lower end cover is arranged below the valve core and fixed with the shell, and is provided with a lower flow channel groove and an outlet flow channel; the wall of the shell is provided with an exhaust hole. The invention can be directly arranged in the pipeline cavity in a modularized design mode, and has simple structure, convenient installation and good decompression effect.
Description
Technical Field
The invention relates to the technical field of fluid pipelines, in particular to a pressure reducing component for a fluid pipeline and the fluid pipeline.
Background
In some fluid pipelines, the connection strength of the working pipeline and the bearing strength of the working pipeline have certain rated values, and the fluid pressure at the input end of the pipeline may exceed the bearing limit of the pipeline.
In order to protect the working pipe or chamber from pressure shocks from the input, a pressure relief device needs to be installed in the pipe. Common pressure reducing devices include pilot pressure reducing valves and relief pressure reducing valves: the pilot type pressure reducing valve has the advantages of complex structure, large volume and inconvenient installation; the overflow relief valve reduces back end line pressure by way of fluid spills, but spilled fluid creates waste and risk.
Disclosure of Invention
The invention aims to provide a pressure reducing component for a fluid pipeline and the fluid pipeline, and the pressure reducing component can be directly arranged in a cavity of the fluid pipeline in a modularized design mode. The invention adopts the following technical scheme:
the invention discloses a pressure reducing component for a fluid pipeline, which comprises a shell, a valve core, an upper end cover, a supporting seat, an upper sealing component, a lower end cover, an elastomer and a lower sealing component, wherein the valve core is hermetically arranged in the shell through the lower sealing component, and a hollow flow passage is arranged in a central shaft of the valve core; the elastic body is arranged in a cavity formed by the shell and the valve core; the supporting seat is in sealing connection with the inner wall of the shell and the outer wall above the valve core through an upper sealing assembly, an upper flow channel groove is formed in the supporting seat, the valve core can move upwards along the upper flow channel groove, and the upper flow channel groove is communicated with and blocked from the hollow flow channel; the upper end cover is arranged above the supporting seat and is fixed with the shell, a plurality of inlet runners are arranged on the upper end cover, and the inlet runners are communicated with the upper runner grooves; the lower end cover is arranged below the valve core and fixed with the shell, a lower flow channel groove and an outlet flow channel are arranged on the lower end cover, the upper end of the lower flow channel groove is communicated with the hollow flow channel, and the lower end of the lower flow channel groove is communicated with the outlet flow channel; the shell is provided with an exhaust hole, and the exhaust hole is positioned between the upper sealing component and the sealing surface formed by the lower sealing component and the shell.
The upper end cover and the lower end cover are fixed on the inner wall of the shell in a bonding or buckling or welding mode.
Further, a sealing hole is formed in the middle of the upper end cover, a sealing gasket is arranged in the sealing hole, and the valve core moves upwards along the upper flow channel groove to be in contact with the sealing gasket so as to block the upper flow channel groove and the hollow flow channel.
Preferably, the device further comprises an outer sealing assembly, wherein the outer wall of the shell is provided with a plurality of shell sealing grooves, and the outer sealing assembly is arranged on the shell sealing grooves.
The upper sealing assembly comprises an upper Y-shaped sealing ring and a round sealing ring, an inner sealing groove and an outer sealing groove are respectively formed in the inner wall and the outer wall of the supporting seat, the upper Y-shaped sealing ring is installed on the inner sealing groove, and the round sealing ring is installed on the outer sealing groove.
The lower sealing assembly is a lower Y-shaped sealing ring, a sealing groove is arranged on the outer wall of the valve core, and the lower Y-shaped sealing ring is arranged on the sealing groove.
Wherein, the upper end cover is provided with 2-6 inlet channels in the circumferential direction.
Further, the elastic body is a spring or an elastic rubber pad.
The invention also discloses a fluid pipeline, which comprises a pipeline body and a pressure reducing component, wherein the pressure reducing component is the pressure reducing component for the fluid pipeline, a shell sealing groove is arranged on the outer wall of a shell of the pressure reducing component, an outer sealing component is arranged in the shell sealing groove, the pipeline body is provided with a fluid input end and a fluid output end, the pressure reducing component is hermetically arranged at the fluid input end or the fluid output end through the outer sealing component, the fluid direction is from an inlet runner to an outlet runner of the pressure reducing component, and a body exhaust hole is formed in the wall of the pipeline body and is communicated with the exhaust hole on the wall of the shell.
Wherein the pipeline body is an adapter or a three-way valve.
Due to the adoption of the structure, the invention has the following beneficial effects:
1. the invention can be directly arranged in the pipeline cavity in a modularized design mode, and has simple structure and convenient installation.
2. According to the invention, the variable through-flow port is formed by the inner valve core, the upper end cover and the lower end cover, and the variable through-flow port is changed in the balance process of the elastomer and the water pressure, so that the pressure difference is formed between the input end and the output end, the pressure of the pipeline at the output end is limited, and a good decompression effect is achieved.
3. The upper end cover and the lower end cover are fixed on the inner wall of the shell in a bonding or buckling or welding mode, and the sealing is realized through the outer sealing piece of the body and the pipeline, so that the straight hole can be directly connected without an end face gasket.
4. According to the invention, the sealing gasket is arranged on the upper end cover, and the valve core moves upwards along the upper flow channel groove to be in contact with the sealing gasket, so that the valve core and the sealing gasket are sealed and blocked.
5. The pressure reducing component can be installed in the adapter or the three-way valve or embedded in a system needing pressure reduction, and has wide application range.
Drawings
Fig. 1 is an exploded view of a first embodiment of the present invention.
Fig. 2 is a schematic sectional view of an initial state of the first embodiment of the present invention.
FIG. 3 is a schematic diagram of the stress condition of the valve element of the present invention.
Fig. 4 is a schematic cross-sectional view of the reduced pressure state of fig. 2.
Fig. 5 is a schematic cross-sectional view of the closed state of fig. 2.
FIG. 6 is a schematic diagram of the variation of the water pressure at the input end and the water pressure at the output end.
Fig. 7 is a schematic cross-sectional view of the second embodiment.
Fig. 8 is a schematic structural view of the third embodiment.
Fig. 9 is a schematic perspective sectional view of fig. 8.
Fig. 10 is a schematic view of the structure of the pressure relief assembly applied to an adapter.
Fig. 11 is a schematic perspective sectional view of fig. 10.
Fig. 12 is a schematic view of the construction of a pressure relief assembly for use in a three-way valve.
Fig. 13 is a schematic perspective sectional view of fig. 12.
Description of main reference numerals:
1: housing, 11: housing seal groove, 12: exhaust hole, 2: valve core, 21: hollow flow passage, 22: sealing groove, 3: upper end cap, 31: inlet flow channels, 32: sealing the hole, 4: support base, 41: upper flow channel groove, 42: inner seal groove, 43: outer seal groove, 5: upper seal assembly, 51: upper Y-seal ring, 52: circular sealing ring, 6: lower end cap, 61: lower flow channel groove, 62: outlet flow passage, 71: spring, 72: elastic rubber pad, 8: lower seal assembly (lower Y-ring), 9: outer seal assembly, 91: large circular seal ring, 10: gasket, 20: pipeline body, 30: and a body exhaust hole.
Detailed Description
In order to enable those skilled in the art to better understand the technical solutions of the present invention, the present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Example 1
As shown in fig. 1, the invention discloses a pressure reducing assembly for a fluid pipeline, which comprises a shell 1, a valve core 2, an upper end cover 3, a supporting seat 4, an upper sealing assembly 5, a lower end cover 6, an elastomer, a lower sealing assembly 8 and an outer sealing assembly 9. The elastic body in this embodiment is a spring 71. The valve core 2 is hermetically mounted in the housing 1 by a lower sealing assembly 8. The spring 71 is installed in a cavity formed by the shell 1 and the valve core 2, and the supporting seat 4 is in sealing connection with the inner wall of the shell 1 and the outer wall above the valve core 2 through the upper sealing assembly 5. The upper end cover 3 is arranged above the supporting seat 4 and is fixed with the shell 1. The lower end cover 6 is arranged below the valve core 2 and is fixed with the shell 1. The upper end cover 3 and the lower end cover 6 are fixed on the inner wall of the shell 1 by bonding, buckling or welding. The wall of the shell 1 is provided with an exhaust hole 12, and the exhaust hole 12 is positioned between the upper sealing assembly 5 and the sealing surface formed by the lower sealing assembly 8 and the shell 1.
As shown in fig. 2, the central shaft of the valve core 2 is provided with a hollow flow passage 21. The support seat 4 is provided with an upper flow channel groove 41. Four groups of inlet flow channels 31 are arranged on the upper end cover 3, and the inlet flow channels 31 are communicated with the upper flow channel grooves 41. The lower end cover 6 is provided with a lower flow channel groove 61 and an outlet flow channel 62, the upper end of the lower flow channel groove 61 is communicated with the hollow flow channel 21, and the lower end is communicated with the outlet flow channel 62. The middle part of the upper end cover 3 is provided with a sealing hole 32, a sealing gasket 10 is arranged in the sealing hole 32, and the valve core 2 moves upwards along the upper flow channel groove 41 to be in contact with the sealing gasket 10, so that the upper flow channel groove 41 is communicated with and blocked from the hollow flow channel 21.
The outer seal assembly 9 comprises two large circular seal rings 91, two shell seal grooves 11 are formed in the outer wall of the shell 1, and the two large circular seal rings 91 are mounted on the shell seal grooves 11. The upper sealing assembly 5 comprises an upper Y-shaped sealing ring 51 and a circular sealing ring 52, the inner wall and the outer wall of the supporting seat 4 are respectively provided with an inner sealing groove 42 and an outer sealing groove 43, the upper Y-shaped sealing ring 51 is arranged on the inner sealing groove 42, and the circular sealing ring 52 is arranged on the outer sealing groove 43. The lower sealing component 8 is a lower Y-shaped sealing ring, a sealing groove 22 is arranged on the outer wall of the valve core 2, and the lower Y-shaped sealing ring 8 is arranged on the sealing groove 22.
The principle of the invention is explained as follows:
(1) Initial state: as shown in FIG. 2 and FIG. 3In the initial state, the spring 71 has a pre-compression force F 1 Fluid flows in through the inlet flow channel 31 (input end), passes through the hollow flow channel 21 in the middle of the valve core 2 to the bottom end position of the valve core 2, and the water pressure has an upward acting force F on the valve core 2 2 . When the acting force F of water pressure 2 Less than the pre-compression force F of the spring 71 1 At this time, it is not enough to push the valve core 2 to move, and the valve core 2 is kept in the initial state.
(2) Decompression state: as shown in fig. 6, the input fluid pressure increases as the fluid flows in. As shown in fig. 4, when the pressure applied to the bottom end of the valve body 2 is greater than the pre-pressure of the spring 71, the valve body 2 moves upward under the pressure, the junction (variable vent) of the upper runner groove 41 and the hollow runner 21 becomes smaller, so that the pressure of the output end is reduced, and when the pressure of the water in the cavity of the output end is balanced with the force of the spring 71, the valve body 2 stops to be balanced.
(3) Closed state: as shown in fig. 5, when the output end is closed, the valve core 2 moves upward under the pressure generated by the fluid, the upper flow channel groove 41 contacts the gasket 10, the variable flow port is closed, and at this time, the pressure of the output end is stabilized at the P value, thereby playing a role of extreme protection. When the output opens again, the output line pressure decreases, exerting a force F on the spool 2 2 Less than force F of spring 71 1 When the valve core 2 moves downwards, the variable through-flow port is opened again, and new balance is achieved.
Example two
As shown in fig. 7, this embodiment discloses a pressure reducing assembly for a fluid pipe, which is different from the first embodiment in that the elastic body is an elastic rubber pad 72, and the rest of the structure and the working principle are the same as those of the first embodiment.
Example III
As shown in fig. 8 and 9, the present embodiment discloses a fluid conduit, which includes a conduit body 20 and a pressure reducing assembly, wherein the pressure reducing assembly is the pressure reducing assembly for the fluid conduit according to the first or second embodiment. The outer wall of the shell 1 of the pressure reducing assembly is provided with a shell sealing groove 11, and an outer sealing assembly 9 is arranged in the shell sealing groove 11. The pipe body 20 is provided with a fluid input end and a fluid output end. The decompression assembly is directly inserted into the pipeline body 20 during installation, the decompression assembly is installed at the fluid input end or the fluid output end in a sealing mode through the outer sealing assembly 9, and the fluid direction is from the inlet flow passage 31 to the outlet flow passage 62 of the decompression assembly. The pipe body wall is provided with a body vent 30 which communicates with the vent 12 in the wall of the housing 1.
As shown in fig. 10 and 11, the pipe body 20 may be an adapter, which is connected to a hose and then to a product requiring decompression. The pressure relief assembly is mounted at the fluid input end of the adapter. The adapter wall is provided with a body exhaust hole 30, and the body exhaust hole 30 is communicated with the exhaust hole 12 of the decompression assembly. The fluid is depressurized by the depressurization assembly and then flows into the product to be depressurized.
As shown in fig. 12 and 13, the pipe body 20 may be a three-way valve, the pressure reducing assembly is installed at one or two input and output ends of the three-way valve, a body exhaust hole 30 is arranged on an output end wall of the three-way valve, and the body exhaust hole 30 is communicated with the exhaust hole 12 of the pressure reducing assembly. The fluid is input from the input end of the three-way valve, is decompressed through the decompression assembly and then flows into the product needing decompression.
The present invention is not limited to the above-mentioned embodiments, and any changes or substitutions that can be easily understood by those skilled in the art within the technical scope of the present invention are intended to be included in the scope of the present invention.
Claims (9)
1. A pressure relief assembly for a fluid conduit, characterized by: comprises a shell, a valve core, an upper end cover, a supporting seat, an upper sealing component, a lower end cover, an elastomer, a lower sealing component and an outer sealing component,
the valve core is hermetically arranged in the shell through the lower sealing component, and a hollow runner is arranged in the center shaft of the valve core; the elastic body is arranged in a cavity formed by the shell and the valve core; the supporting seat is in sealing connection with the inner wall of the shell and the outer wall above the valve core through an upper sealing assembly, an upper flow channel groove is formed in the supporting seat, the valve core can move upwards along the upper flow channel groove, and the upper flow channel groove is communicated with and blocked from the hollow flow channel; the upper end cover is arranged above the supporting seat and is fixed with the shell, a plurality of inlet runners are arranged on the upper end cover, and the inlet runners are communicated with the upper runner grooves; the lower end cover is arranged below the valve core and fixed with the shell, a lower flow channel groove and an outlet flow channel are arranged on the lower end cover, the upper end of the lower flow channel groove is communicated with the hollow flow channel, and the lower end of the lower flow channel groove is communicated with the outlet flow channel; the shell wall is provided with an exhaust hole, and the exhaust hole is positioned between the upper sealing component and the sealing surface formed by the lower sealing component and the shell;
the outer wall of the shell is provided with a plurality of shell sealing grooves, and the outer sealing assembly is arranged on the shell sealing grooves.
2. The pressure relief assembly for a fluid conduit according to claim 1, wherein: the upper end cover and the lower end cover are fixed on the inner wall of the shell in a bonding or buckling or welding mode.
3. A pressure relief assembly for a fluid conduit as claimed in claim 1 or 2, wherein: the middle part of the upper end cover is provided with a sealing hole, a sealing gasket is arranged in the sealing hole, and the valve core moves upwards along the upper flow channel groove to be in contact with the sealing gasket so as to block the upper flow channel groove and the hollow flow channel.
4. The pressure relief assembly for a fluid conduit according to claim 1, wherein: the upper sealing assembly comprises an upper Y-shaped sealing ring and a round sealing ring, the inner wall and the outer wall of the supporting seat are respectively provided with an inner sealing groove and an outer sealing groove, the upper Y-shaped sealing ring is installed on the inner sealing groove, and the round sealing ring is installed on the outer sealing groove.
5. The pressure relief assembly for a fluid conduit according to claim 1, wherein: the lower sealing component is a lower Y-shaped sealing ring, a sealing groove is arranged on the outer wall of the valve core, and the lower Y-shaped sealing ring is arranged on the sealing groove.
6. The pressure relief assembly for a fluid conduit according to claim 1, wherein: the upper end cover is circumferentially provided with 2-6 inlet flow passages.
7. The pressure relief assembly for a fluid conduit according to claim 1, wherein: the elastic body is a spring or an elastic rubber pad.
8. A fluid conduit, characterized by: the pipeline body is provided with a fluid input end and a fluid output end, the pressure reducing assembly is arranged at the fluid input end or the fluid output end in a sealing manner through the outer sealing assembly, the fluid direction is from an inlet runner to an outlet runner of the pressure reducing assembly, and a body exhaust hole is formed in the wall of the pipeline body and communicated with the exhaust hole in the wall of the casing.
9. The fluid conduit according to claim 8, wherein: the pipeline body is an adapter or a three-way valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810427724.2A CN108374921B (en) | 2018-05-07 | 2018-05-07 | Decompression assembly for fluid pipeline and fluid pipeline |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810427724.2A CN108374921B (en) | 2018-05-07 | 2018-05-07 | Decompression assembly for fluid pipeline and fluid pipeline |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108374921A CN108374921A (en) | 2018-08-07 |
| CN108374921B true CN108374921B (en) | 2023-10-27 |
Family
ID=63033367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810427724.2A Active CN108374921B (en) | 2018-05-07 | 2018-05-07 | Decompression assembly for fluid pipeline and fluid pipeline |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN108374921B (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108799567A (en) * | 2018-08-21 | 2018-11-13 | 上海银轮热交换系统有限公司 | Built-in check valve |
| CN110005629A (en) * | 2019-05-13 | 2019-07-12 | 杭州老板电器股份有限公司 | Blower and kitchen ventilator |
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| CN201416648Y (en) * | 2009-06-12 | 2010-03-03 | 上海平安高压调节阀门有限公司 | Temperature and pressure reducing valve |
| CN102261502A (en) * | 2010-05-25 | 2011-11-30 | 邓鸣镛 | Pressure reducing valve |
| CN102853131A (en) * | 2012-08-30 | 2013-01-02 | 杭州春江阀门有限公司 | Water hammer-resistant constant-pressure pressure reducing valve |
| CN102889423A (en) * | 2012-09-24 | 2013-01-23 | 上海空间推进研究所 | Small pressure reducing valve and pressure reducing device in high-pressure high-flow fluid system |
| CN203098996U (en) * | 2013-02-20 | 2013-07-31 | 宁波埃美柯铜阀门有限公司 | Filtering type pressure-reducing valve |
| CN103542148A (en) * | 2013-10-12 | 2014-01-29 | 浙江盾安阀门有限公司 | Reducing valve with filtering and backflow preventing functions |
| CN103644338A (en) * | 2013-12-11 | 2014-03-19 | 常德中联重科液压有限公司 | Pressure regulating valve and balance valve assembly with pressure regulating valve |
| CN208138540U (en) * | 2018-05-07 | 2018-11-23 | 厦门云智共创科技有限公司 | A kind of fluid line pressure relief assembly and fluid line |
-
2018
- 2018-05-07 CN CN201810427724.2A patent/CN108374921B/en active Active
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2008065727A (en) * | 2006-09-11 | 2008-03-21 | Neriki:Kk | Pressure reducing valve |
| CN201416648Y (en) * | 2009-06-12 | 2010-03-03 | 上海平安高压调节阀门有限公司 | Temperature and pressure reducing valve |
| CN102261502A (en) * | 2010-05-25 | 2011-11-30 | 邓鸣镛 | Pressure reducing valve |
| CN102853131A (en) * | 2012-08-30 | 2013-01-02 | 杭州春江阀门有限公司 | Water hammer-resistant constant-pressure pressure reducing valve |
| CN102889423A (en) * | 2012-09-24 | 2013-01-23 | 上海空间推进研究所 | Small pressure reducing valve and pressure reducing device in high-pressure high-flow fluid system |
| CN203098996U (en) * | 2013-02-20 | 2013-07-31 | 宁波埃美柯铜阀门有限公司 | Filtering type pressure-reducing valve |
| CN103542148A (en) * | 2013-10-12 | 2014-01-29 | 浙江盾安阀门有限公司 | Reducing valve with filtering and backflow preventing functions |
| CN103644338A (en) * | 2013-12-11 | 2014-03-19 | 常德中联重科液压有限公司 | Pressure regulating valve and balance valve assembly with pressure regulating valve |
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Also Published As
| Publication number | Publication date |
|---|---|
| CN108374921A (en) | 2018-08-07 |
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Effective date of registration: 20190723 Address after: 361000 Room A, Huijin Huli Building, 966-968 Anling Road, Huli District, Xiamen City, Fujian Province Applicant after: Guli (Xiamen) Technology Co.,Ltd. Address before: Unit 1919, Floor 19, Building 12, Xinglin Bay Road Creative City, Jimei District, Xiamen City, Fujian Province Applicant before: XIAMEN YUNZHI GONGCHUANG TECHNOLOGY CO.,LTD. |
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