CN219532346U - Buffer device for diaphragm capsule pressure gauge - Google Patents
Buffer device for diaphragm capsule pressure gauge Download PDFInfo
- Publication number
- CN219532346U CN219532346U CN202320461416.8U CN202320461416U CN219532346U CN 219532346 U CN219532346 U CN 219532346U CN 202320461416 U CN202320461416 U CN 202320461416U CN 219532346 U CN219532346 U CN 219532346U
- Authority
- CN
- China
- Prior art keywords
- pipe
- buffer
- manometer
- pressure relief
- fluid
- 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.)
- Active
Links
Classifications
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E30/00—Energy generation of nuclear origin
- Y02E30/30—Nuclear fission reactors
Landscapes
- Pipe Accessories (AREA)
Abstract
The utility model relates to the technical field of capsule pressure gauge equipment, in particular to a capsule pressure gauge buffer device. Including manometer subassembly, jar body subassembly, air guide subassembly, the manometer subassembly includes the manometer, the inboard of buffer tank is provided with buffer spring, the air guide subassembly includes the intake pipe, the one end that the intake pipe was kept away from to mounting flange is connected with the impulse pipe, the one end that mounting flange was kept away from to the impulse pipe is connected with three-way pipe, three-way pipe's one end is connected with the air duct, three-way pipe's one end is kept away from to the air duct is connected with the pressure release pipe. After the fluid flows into the pressure relief pipe through the air duct, the fluid is blocked by the pressure relief plate in the flowing process, so that the reduction of the fluid flow speed is realized through the blocking of the pressure relief plate, and meanwhile, the kinetic energy consumed by the fluid in moving is correspondingly increased due to the fact that the arc-shaped structure of the pressure relief pipe is longer than a straight line, so that the effect of reducing the fluid impact force is realized.
Description
Technical Field
The utility model relates to the technical field of capsule pressure gauge equipment, in particular to a capsule pressure gauge buffer device.
Background
The diaphragm capsule pressure gauge is also called a micro-pressure gauge, and is suitable for measuring low micro-pressure of liquid, gas or steam which has no explosion hazard, no crystallization and no solidification and has corrosion action on copper and copper alloy, however, when the diaphragm capsule pressure gauge is used, due to large pump outlet pressure pulsation, the pump is impacted instantaneously when started, so that the pressure gauge is damaged frequently, and most damaged pressure gauges cannot be repaired, so that a pressure gauge buffer device is needed.
At present, a damping device of a pressure gauge generally adopts a coiled pipe or a labyrinth structure as a damping channel, and aims to reduce the swinging frequency and the amplitude of a pointer of the pressure gauge near an indication value, and the working principle of the damping device is that a capillary channel with a gap of 0.05-0.07 mm is reserved between a non-matching surface of a valve core and an inner hole of a valve body as a hydraulic medium, a multi-stage labyrinth groove is processed on a non-matching outer circular surface of the valve core, the damping effect is realized through the expansion effect of the labyrinth groove, the capillary channel is a straight line channel, but for a fluid medium with high pressure, the effect of reducing pulse and vibration is not obvious due to the limited volume of each labyrinth groove, so that the pointer of the pressure gauge is still sensitive to the pulse of the fluid pressure, when the fluid system with high pressure is suddenly loaded or in a resisting load, the pointer of the pressure gauge is quickly started or falls back, the pointer of the pressure gauge is easily caused to bend, the internal structure of the pressure gauge is damaged, and the service life of the pressure gauge is reduced.
Disclosure of Invention
In view of the above problems, an object of the present utility model is to: the bellows pressure gauge buffer device solves the problems that for high-pressure fluid media, due to the fact that the volume of each labyrinth groove is limited, the effect of reducing pulse and vibration is not obvious, a pointer of a pressure gauge is still sensitive to the pulse of fluid pressure, when a high-pressure fluid system is suddenly loaded or unloaded, the pointer of the pressure gauge is quickly started or falls back, the pointer of the pressure gauge is easy to bend, the inner structure of the pressure gauge is damaged, the service life of the pressure gauge is shortened, when the buffer tank is impacted to move up and down, the buffer tank drives a fixed plate to synchronously move when the buffer tank is impacted, then the fixed plate generates acting force to a compression spring through a buffer cushion layer in the moving process, then the compression spring deforms under the acting force and buffers the impact force, and the buffer effect to the impact force is improved due to the fact that the buffer cushion layer and the compression spring are simultaneously arranged.
In order to achieve the above purpose, the utility model adopts the technical scheme that: the utility model provides a diaphragm capsule manometer buffer, includes manometer subassembly, jar body subassembly, air guide assembly, the manometer subassembly includes the manometer, the one end of manometer is connected with flange, flange keeps away from the one end of manometer and is connected with the connecting pipe, the one end that flange was kept away from to the connecting pipe is connected with the top layer lid, the inner wall of top layer lid is connected with the cushion, the one end of cushion is connected with compression spring, jar body subassembly includes the buffer tank, the outer wall connection of buffer tank has the fixed plate, the inboard of buffer tank is provided with the buffering bottom plate, the buffer hole has been seted up to the inboard of buffering bottom plate, the inboard of buffer tank is provided with buffer spring, the air guide assembly includes the intake pipe, the one end of intake pipe is connected with mounting flange, the one end that mounting flange was kept away from to the mounting flange is connected with the nose tube, the one end that mounting flange was kept away from to the nose tube is connected with the tee bend pipe, the one end that the tee bend pipe was connected with the air duct, the one end that the tee bend pipe was kept away from the pressure release pipe.
The beneficial effects of the utility model are as follows: after the fluid flows into the pressure relief pipe through the air duct, the fluid is blocked by the pressure relief plate in the flowing process, so that the reduction of the fluid flow speed is realized through the blocking of the pressure relief plate, meanwhile, the arc-shaped structure of the pressure relief pipe is longer than a straight line, the kinetic energy consumed by the fluid in moving can be correspondingly increased, the effect of reducing the fluid impact force is realized, the fluid flows into the pressure guide pipe through the air inlet pipe, after the fluid flows into the pressure guide pipe through the air inlet pipe, the fluid in the pressure guide pipe flows into the corresponding air duct after being dispersed through the three-way pipe, and then the fluid in the air guide pipe flows out through the air outlet pipe after being buffered through the pressure relief pipe.
In order to avoid damage to the pressure gauge caused by momentary impact of the pump at start-up:
as a further improvement of the above technical scheme: one end of the connecting pipe, which is far away from the connecting flange, penetrates through the top wall body of the top cover and extends to the inner cavity of the top cover, and the air inlet pipe is connected with the impulse pipe through the mounting flange.
The beneficial effects of this improvement are: when the device is used, fluid flows into the buffer tank through the air inlet pipe and the pressure guide pipe, and then the fluid is subjected to impact force relieving treatment in the buffer tank, so that the damage of the pressure gauge caused by instant impact when the pump is started is avoided.
In order to improve the buffering effect on the impact force by simultaneously arranging the buffer cushion layer and the compression spring:
as a further improvement of the above technical scheme: the upper end and the lower end of the fixing plate are symmetrically connected with a cushion layer, the two ends of the compression spring are simultaneously connected with the cushion layer, the top cover is connected with the connecting column through a connecting piece, and the cushion layer is a rubber layer with a round table type structure.
The beneficial effects of this improvement are: when the buffer tank is impacted to move up and down, the buffer tank drives the fixed plate to synchronously move when moving, then the fixed plate generates acting force to the compression spring through the buffer cushion layer in the moving process, and then the compression spring deforms under the acting force and buffers the impact force.
In order to achieve further damping of the fluid impact forces by the damping floor:
as a further improvement of the above technical scheme: the buffer bottom plate is cylindrical structure setting, the buffer bottom plate is provided with two altogether, two buffer bottom plate symmetry sets up in the position at impulse tube both ends, buffer bottom plate's lower bottom surface symmetry is connected with the cushion, the top of bottom surface is connected with the cushion under the buffer tank, buffer spring's both ends are connected with the cushion simultaneously.
The beneficial effects of this improvement are: when fluid flows out of the air outlet pipe, the fluid is impacted on the buffer bottom plate under the action of flowing force, then one part of the fluid is blocked by the buffer bottom plate, and the other part of the fluid passes through the buffer holes and is split, so that the impact force of the fluid is further buffered through the buffer bottom plate.
In order to disperse the fluid in the pressure guide tube through the three-way guide tube and then flow into the corresponding air guide tube:
as a further improvement of the above technical scheme: the pressure relief pipe is characterized in that two air guide pipes are arranged in total, the two air guide pipes are symmetrically arranged, and one end, far away from the air guide pipes, of the pressure relief pipe is connected with an air outlet pipe.
The beneficial effects of this improvement are: after the fluid flows into the pressure guide pipe through the air inlet pipe, the fluid in the pressure guide pipe is dispersed through the three-way pipe and flows into the corresponding air guide pipe, and then the fluid in the air guide pipe flows out through the air outlet pipe after being buffered through the pressure relief pipe.
The kinetic energy consumed by the fluid during movement is correspondingly increased, so that the effect of reducing the impact force of the fluid is realized:
as a further improvement of the above technical scheme: the pressure relief pipe is arc structure setting, the pressure relief pipe is linked together with air duct, outlet duct simultaneously, the inner wall of pressure relief pipe is connected with the pressure relief board, the one end that the pressure relief board kept away from the pressure relief pipe wall body is arc structure setting.
The beneficial effects of this improvement are: after the fluid flows into the pressure relief pipe through the air duct, the fluid is blocked by the pressure relief plate in the flowing process, so that the reduction of the fluid flow speed is realized through the blocking of the pressure relief plate, and meanwhile, the kinetic energy consumed by the fluid in moving is correspondingly increased due to the fact that the arc-shaped structure of the pressure relief pipe is longer than a straight line, so that the effect of reducing the fluid impact force is realized.
Drawings
Fig. 1 is a schematic cross-sectional view of the present utility model.
Fig. 2 is a schematic perspective view of a buffer bottom plate according to the present utility model.
Fig. 3 is a schematic cross-sectional view of a pressure relief tube according to the present utility model.
Fig. 4 is a schematic diagram of the front view structure of the present utility model.
In the figure: 1. a pressure gauge assembly; 11. a pressure gauge; 12. a connecting flange; 13. a connecting pipe; 14. a top cover; 15. a cushion layer; 16. a compression spring; 2. a tank assembly; 21. a buffer tank; 22. a fixing plate; 23. a buffer bottom plate; 24. buffering holes; 25. a buffer spring; 3. an air guide assembly; 31. an air inlet pipe; 32. a mounting flange; 33. a pressure guiding pipe; 34. a three-way conduit; 35. an air duct; 36. a pressure relief tube; 37. a pressure relief plate; 38. and an air outlet pipe.
Detailed Description
In order that those skilled in the art may better understand the technical solutions of the present utility model, the following detailed description of the present utility model with reference to the accompanying drawings is provided for exemplary and explanatory purposes only and should not be construed as limiting the scope of the present utility model.
As shown in fig. 1-4, the bellows manometer buffer device comprises a manometer assembly 1, a tank assembly 2 and an air guide assembly 3, wherein the manometer assembly 1 comprises a manometer 11, one end of the manometer 11 is connected with a connecting flange 12, one end of the connecting flange 12 far away from the manometer 11 is connected with a connecting pipe 13, one end of the connecting pipe 13 far away from the connecting flange 12 is connected with a top cover 14, the inner wall of the top cover 14 is connected with a buffer cushion layer 15, one end of the buffer cushion layer 15 is connected with a compression spring 16, the tank assembly 2 comprises a buffer tank 21, the outer wall of the buffer tank 21 is connected with a fixed plate 22, the inner side of the buffer tank 21 is provided with a buffer bottom plate 23, the inner side of the buffer bottom plate 23 is provided with a buffer hole 24, the inner side of the buffer tank 21 is provided with a buffer spring 25, the air guide assembly 3 comprises an air inlet pipe 31, one end of the air inlet pipe 31 is connected with a mounting flange 32, one end of the mounting flange 32 far away from the air inlet pipe 31 is connected with a top cover 14, one end of the air guide pipe 33 far away from the mounting flange 32 is connected with a three-way pipe guide pipe 34, one end of the air guide pipe 33 far away from the mounting flange 32 is connected with an inner cavity of the three-way pipe guide pipe 34, one end of the three-way pipe 34 is connected with the air guide pipe 34 far from the air guide pipe 32, one end of the three-way pipe 35 is far away from the top cover 14 is connected with the top cover 14 far from the top cover 14, which is far from the air guide pipe 13 is connected with the inner cavity 14, which is far from the top cover 14; when the device is used, fluid flows into the buffer tank 21 through the air inlet pipe 31 and the pressure guide pipe 33, then the fluid is subjected to impact force relieving treatment in the buffer tank 21, so that the damage of the pressure gauge 11 caused by instant impact of a pump during starting is avoided, the upper end and the lower end of the fixing plate 22 are symmetrically connected with the buffer cushion layers 15, the two ends of the compression spring 16 are simultaneously connected with the buffer cushion layers 15, the top layer cover 14 is connected with a connecting column through a connecting piece, and the buffer cushion layers 15 are rubber layers with a round table type structure; when the buffer tank 21 is impacted to move up and down, the buffer tank 21 drives the fixed plate 22 to synchronously move during moving, then the fixed plate 22 generates acting force on the compression spring 16 through the buffer cushion 15 in the moving process, then the compression spring 16 deforms under the acting force and realizes buffering of impact force, and the buffer bottom plates 23 are arranged in a cylindrical structure due to the fact that the buffer cushion 15 and the compression spring 16 are simultaneously arranged, the buffer bottom plates 23 are arranged in two, the two buffer bottom plates 23 are symmetrically arranged at the positions of two ends of the impulse pipe 33, the buffer cushion 15 is symmetrically connected to the lower bottom surface of the buffer bottom plate 23, the buffer cushion 15 is connected to the top of the lower bottom surface of the buffer tank 21, and two ends of the buffer spring 25 are simultaneously connected with the buffer cushion 15; when the fluid flows out from the air outlet pipe 38, the fluid impacts on the buffer bottom plate 23 under the action of the flowing force, then a part of the fluid is blocked by the buffer bottom plate 23, and the other part of the fluid passes through the buffer holes 24 and is split, so that the further buffering of the impact force of the fluid is realized through the buffer bottom plate 23, two air guide pipes 35 are arranged, the two air guide pipes 35 are symmetrically arranged, and one end, far away from the air guide pipes 35, of the pressure relief pipe 36 is connected with the air outlet pipe 38; after the fluid flows into the pressure guide tube 33 through the air inlet tube 31, the fluid in the pressure guide tube 33 flows into the corresponding air guide tube 35 after being dispersed through the three-way guide tube 34, and then the fluid in the air guide tube 35 flows out through the air outlet tube 38 after being buffered through the pressure relief tube 36, the pressure relief tube 36 is in an arc-shaped structure, the pressure relief tube 36 is simultaneously communicated with the air guide tube 35 and the air outlet tube 38, the inner wall of the pressure relief tube 36 is connected with the pressure relief plate 37, and one end, far away from the wall body of the pressure relief tube 36, of the pressure relief plate 37 is in an arc-shaped structure; when fluid flows into the pressure relief pipe 36 through the air duct 35, the fluid is blocked by the pressure relief plate 37 in the flowing process, so that the reduction of the fluid flow speed is realized through the blocking of the pressure relief plate 37, and meanwhile, the kinetic energy consumed by the fluid in moving is correspondingly increased due to the longer arc-shaped structure of the pressure relief pipe 36 relative to the straight line, so that the effect of reducing the fluid impact force is realized.
The working principle of the utility model is as follows: when the device is used, after fluid flows into the pressure guide tube 33 through the air inlet tube 31, the fluid in the pressure guide tube 33 flows into the corresponding air guide tube 35 after being dispersed through the three-way guide tube 34, then the fluid flows into the pressure release tube 36 through the air guide tube 35, the fluid is blocked by the pressure release plate 37 in the flowing process, further the reduction of the flow speed of the fluid is realized through the blocking of the pressure release plate 37, meanwhile, the arc-shaped structure of the pressure release tube 36 is longer than a straight line, the kinetic energy consumed by the fluid in moving can be correspondingly increased, further the effect of reducing the fluid impact force is realized, when the fluid flows out of the air outlet tube 38, the fluid is impacted on the buffer bottom plate 23 under the action of the flowing force, then a part of the fluid is blocked by the buffer bottom plate 23, and the other part of the fluid passes through the buffer bottom plate 24 and is split, further the buffer bottom plate 23 is used for buffering the impact force of the fluid, then the impact force is relieved in the buffer tank 21, further the impact force is prevented from damaging the pressure gauge 11 when the pump is started, when the buffer tank 21 is impacted, the buffer tank 21 moves up and down, the kinetic energy consumed in moving the moving synchronously, the buffer plate 22 is further, the impact force is reduced, the buffer bottom plate 22 is compressed by the buffer bottom plate 16, and the impact force is compressed by the buffer bottom spring 16, and the impact force is simultaneously, the impact force is realized, and the impact force is compressed by the buffer 16.
It should be noted that, in this document, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
The principles and embodiments of the present utility model have been described herein with reference to specific examples, the description of which is intended only to facilitate an understanding of the method of the present utility model and its core ideas. The foregoing is merely illustrative of the preferred embodiments of the utility model, and it is noted that there is virtually no limit to the specific structure which may be imposed by those skilled in the art without departing from the spirit of the utility model, and that modifications, adaptations, or variations of the foregoing features may be combined in a suitable manner; such modifications, variations and combinations, or the direct application of the inventive concepts and aspects to other applications without modification, are contemplated as falling within the scope of the present utility model.
Claims (6)
1. The utility model provides a diaphragm capsule manometer buffer, includes manometer subassembly (1), jar body subassembly (2), air guide subassembly (3), manometer subassembly (1) are including manometer (11), the one end of manometer (11) is connected with flange (12), the one end that flange (12) kept away from manometer (11) is connected with connecting pipe (13), its characterized in that: the one end that flange (12) was kept away from to connecting pipe (13) is connected with top layer lid (14), the inner wall of top layer lid (14) is connected with buffer layer (15), the one end of buffer layer (15) is connected with compression spring (16), jar body subassembly (2) are including buffer tank (21), the outer wall connection of buffer tank (21) has fixed plate (22), the inboard of buffer tank (21) is provided with buffering bottom plate (23), buffer hole (24) have been seted up to the inboard of buffering bottom plate (23), the inboard of buffer tank (21) is provided with buffer spring (25), air guide assembly (3) are including intake pipe (31), the one end of intake pipe (31) is connected with mounting flange (32), the one end that mounting flange (32) was kept away from to intake pipe (31) is connected with nose tube (33), the one end that mounting flange (32) was kept away from to nose tube (33) is connected with tee bend pipe (34), the one end of tee bend pipe (34) is connected with air duct (35), the one end that air duct (35) was kept away from tee bend pipe (34) is connected with pressure release pipe (36).
2. The bellows manometer buffer device of claim 1, wherein: one end of the connecting pipe (13) far away from the connecting flange (12) penetrates through the top wall body of the top cover (14) and extends to the inner cavity of the top cover (14), and the air inlet pipe (31) is connected with the pressure guiding pipe (33) through the mounting flange (32).
3. The bellows manometer buffer device of claim 1, wherein: the upper end and the lower end of the fixing plate (22) are symmetrically connected with a cushion layer (15), the two ends of the compression spring (16) are simultaneously connected with the cushion layer (15), the top layer cover (14) is connected with the connecting column through a connecting piece, and the cushion layer (15) is a rubber layer with a round table structure.
4. The bellows manometer buffer device of claim 1, wherein: the buffer bottom plates (23) are arranged in a cylindrical structure, the buffer bottom plates (23) are arranged in two, the buffer bottom plates (23) are symmetrically arranged at the positions of two ends of the pressure guide pipe (33), the lower bottom surfaces of the buffer bottom plates (23) are symmetrically connected with the buffer cushion layers (15), the top of the lower bottom surfaces of the buffer tanks (21) are connected with the buffer cushion layers (15), and the two ends of the buffer springs (25) are connected with the buffer cushion layers (15) simultaneously.
5. The bellows manometer buffer device of claim 1, wherein: the two air ducts (35) are arranged symmetrically, and one end of the pressure relief pipe (36) away from the air ducts (35) is connected with an air outlet pipe (38).
6. The bellows manometer buffer device of claim 1, wherein: the pressure relief pipe (36) is of an arc-shaped structure, the pressure relief pipe (36) is simultaneously communicated with the air duct (35) and the air outlet pipe (38), the inner wall of the pressure relief pipe (36) is connected with a pressure relief plate (37), and one end, far away from the wall body of the pressure relief pipe (36), of the pressure relief plate (37) is of an arc-shaped structure.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320461416.8U CN219532346U (en) | 2023-03-13 | 2023-03-13 | Buffer device for diaphragm capsule pressure gauge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202320461416.8U CN219532346U (en) | 2023-03-13 | 2023-03-13 | Buffer device for diaphragm capsule pressure gauge |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN219532346U true CN219532346U (en) | 2023-08-15 |
Family
ID=87582938
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202320461416.8U Active CN219532346U (en) | 2023-03-13 | 2023-03-13 | Buffer device for diaphragm capsule pressure gauge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN219532346U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118243281A (en) * | 2024-05-28 | 2024-06-25 | 洛阳能惠自动化设备科技有限公司 | Chemical distillation pressure control meter |
-
2023
- 2023-03-13 CN CN202320461416.8U patent/CN219532346U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN118243281A (en) * | 2024-05-28 | 2024-06-25 | 洛阳能惠自动化设备科技有限公司 | Chemical distillation pressure control meter |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN219532346U (en) | Buffer device for diaphragm capsule pressure gauge | |
| CN214467005U (en) | Self-protection water hammer eliminator | |
| CN2859173Y (en) | Ripple damper | |
| CN105864520A (en) | Damping pipe clamp based on hydraulic buffering and damping method | |
| CN101236119B (en) | Corrugated pipe buffers | |
| CN219101737U (en) | Combined diaphragm energy accumulator device | |
| CN2533460Y (en) | Electric manometer checker | |
| CN215524902U (en) | Diaphragm capsule pressure gauge buffer | |
| CN216895526U (en) | Vibration damper and vibration damping system | |
| CN211118237U (en) | Self-adaptive pulse buffering device of pipeline conveying system | |
| CN205654980U (en) | Damper pipe card based on hydraulic cushion system - | |
| CN207906057U (en) | High-temperature pump energy storage equipment | |
| CN212898817U (en) | Corrugated pipe buffer | |
| CN205999975U (en) | A kind of non-negative pressure water-supply installation with energy storage pressure holding function | |
| CN212656940U (en) | Plunger metering pump with buffer device and back pressure device | |
| CN108894279B (en) | Water intake device for pumping underground water | |
| CN102536778A (en) | Inlet liquid flow pulsation vibration isolation device for high pressure plunger water pump | |
| CN202023733U (en) | Inlet flow pulsation vibration isolator of a high pressure plunger pump | |
| CN110906096B (en) | Self-adaptive pulse buffer device of pipeline conveying system | |
| CN208604689U (en) | A kind of non-negative pressure method of water supply device with energy storage vacuum compensation function | |
| CN111379922A (en) | Pressure pulsation buffering device integrated with outlet header | |
| CN207247437U (en) | A kind of high-pressure micro mist humidifier for preventing water hammer effect | |
| CN207376708U (en) | A kind of non-negative pressure water-supply installation steady flow compensator | |
| CN217537181U (en) | Expansion tank down-liquid level pipeline pressure relief device | |
| CN216643112U (en) | Flange type double-isolation discharge valve |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |