CN114183600A - Sealing ring of high-pressure electromagnetic flowmeter - Google Patents
Sealing ring of high-pressure electromagnetic flowmeter Download PDFInfo
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- CN114183600A CN114183600A CN202111516136.4A CN202111516136A CN114183600A CN 114183600 A CN114183600 A CN 114183600A CN 202111516136 A CN202111516136 A CN 202111516136A CN 114183600 A CN114183600 A CN 114183600A
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- sealing ring
- electromagnetic flowmeter
- sealing
- pressure electromagnetic
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- 238000007789 sealing Methods 0.000 title claims abstract description 107
- 239000000463 material Substances 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 4
- 239000004696 Poly ether ether ketone Substances 0.000 claims description 4
- JUPQTSLXMOCDHR-UHFFFAOYSA-N benzene-1,4-diol;bis(4-fluorophenyl)methanone Chemical compound OC1=CC=C(O)C=C1.C1=CC(F)=CC=C1C(=O)C1=CC=C(F)C=C1 JUPQTSLXMOCDHR-UHFFFAOYSA-N 0.000 claims description 4
- 229910052802 copper Inorganic materials 0.000 claims description 4
- 239000010949 copper Substances 0.000 claims description 4
- 229920002530 polyetherether ketone Polymers 0.000 claims description 4
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 238000009434 installation Methods 0.000 abstract description 12
- 230000000694 effects Effects 0.000 abstract description 11
- 238000012360 testing method Methods 0.000 abstract description 10
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000010276 construction Methods 0.000 abstract description 5
- 238000012423 maintenance Methods 0.000 abstract description 3
- 238000000034 method Methods 0.000 description 5
- 238000013461 design Methods 0.000 description 4
- 238000012545 processing Methods 0.000 description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 4
- 238000001125 extrusion Methods 0.000 description 3
- 239000007788 liquid Substances 0.000 description 3
- 238000005259 measurement Methods 0.000 description 3
- 230000007797 corrosion Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 238000011900 installation process Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003245 coal Substances 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000123 paper Substances 0.000 description 1
- 238000013522 software testing Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000004753 textile Substances 0.000 description 1
Images
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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/16—Flanged joints characterised by the sealing means
- F16L23/18—Flanged joints characterised by the sealing means the sealing means being rings
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Gasket Seals (AREA)
Abstract
The invention belongs to the field of high-pressure electromagnetic flowmeters, and discloses a sealing ring of a high-pressure electromagnetic flowmeter, which comprises a ring body; a first protruding ring is arranged on one side of the ring body, a first sealing ring groove is formed in one side, close to the edge of the ring body, of the first protruding ring, and a first sealing ring is arranged in the first sealing ring groove; a second sealing ring groove is formed in one side, provided with the first protruding ring, of the ring body, a second sealing ring is arranged in the second sealing ring groove, and the second sealing ring groove is located between the first protruding ring and the ring hole of the ring body; a third sealing ring groove is formed in the other side of the ring body, and a third sealing ring is arranged in the third sealing ring groove; chamfers used for adapting the end face of the high-pressure electromagnetic flowmeter to be sealed are arranged on the inner wall and the outer wall of the first protruding ring. The on-site installation requirement and the construction difficulty are reduced, the sealing effect is good, the testing efficiency is improved, and the production, installation and maintenance costs are effectively reduced.
Description
Technical Field
The invention belongs to the field of high-voltage electromagnetic flowmeters, and relates to a sealing ring of a high-voltage electromagnetic flowmeter.
Background
With the development of information-based construction, flow measurement and control are widely applied to the fields of industrial departments such as chemical industry, metallurgy, water supply and drainage, steel, coal, paper making, food, light textile, environmental protection and the like, municipal administration, water conservancy construction and the like, and the market demand is large. The flowmeter has a plurality of measuring principles for gas and liquid, for example, an electromagnetic flowmeter, a Coriolis force mass flowmeter, a turbine flowmeter, a vortex shedding flowmeter, an ultrasonic flowmeter, an orifice plate flowmeter, a differential pressure flowmeter and the like which are mainstream in the industry have better application effects.
The existing flowmeter generally adopts a flange connection mode, and the withstand pressure is generally small. In view of the above, the end face seal of the high-pressure flowmeter mostly adopts an RJ structure, and is sealed by an octagonal ring, and the end face seal is mostly made of stainless steel. But the sealing effect is not good in the links of horizontal installation, production calibration test and the like, and the defects of incapability of quickly sealing, high operation difficulty of connecting pipelines, low production efficiency and the like exist.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide a sealing ring of a high-pressure electromagnetic flowmeter.
In order to achieve the purpose, the invention adopts the following technical scheme to realize the purpose:
a sealing ring of a high-pressure electromagnetic flowmeter comprises a ring body; a first protruding ring is arranged on one side of the ring body, a first sealing ring groove is formed in one side, close to the edge of the ring body, of the first protruding ring, and a first sealing ring is arranged in the first sealing ring groove; a second sealing ring groove is formed in one side, provided with the first protruding ring, of the ring body, a second sealing ring is arranged in the second sealing ring groove, and the second sealing ring groove is located between the first protruding ring and the ring hole of the ring body; a third sealing ring groove is formed in the other side of the ring body, and a third sealing ring is arranged in the third sealing ring groove; chamfers used for adapting the end face of the high-pressure electromagnetic flowmeter to be sealed are arranged on the inner wall and the outer wall of the first protruding ring.
Optionally, the first sealing ring, the second sealing ring and the third sealing ring are all O-shaped sealing rings.
Optionally, the ring body is made of stainless steel, red copper or PEEK resin.
Optionally, the first seal ring groove and the second seal ring groove are symmetrically designed.
Optionally, a thread is provided on one end of the outer wall of the ring body.
Optionally, the ring body and the first projecting ring are integrally formed.
Optionally, a second protruding ring is arranged on the other side of the ring body, a fourth sealing ring groove is formed in one side, close to the edge of the ring body, of the second protruding ring, and a fourth sealing ring is arranged in the fourth sealing ring groove; chamfers used for adapting the end face of the high-pressure electromagnetic flowmeter to be sealed are arranged on the inner wall and the outer wall of the second protruding ring.
Optionally, the fourth sealing ring is an O-ring.
Optionally, the first and second projecting rings are symmetrically designed along the ring body.
Optionally, the ring body, the first projecting ring and the second projecting ring are integrally formed.
Compared with the prior art, the invention has the following beneficial effects:
the sealing ring for the high-pressure electromagnetic flowmeter organically and skillfully combines two end face seals with one axial seal, namely, a plane seal and an axial seal, greatly improves the sealing effect, can be widely popularized and used for the end face seals of RJ flanges of all pipelines, increases the sealing effect, can be used for the sealing connection between the end faces of the RJ flanges and the end faces of the flanges of the pipelines of the high-pressure electromagnetic flowmeter, is also suitable for the quick installation of the jacking clamping of a pneumatic meter clamping device, further solves the problem that a working pipeline is not matched with the flange of the high-pressure electromagnetic flowmeter, improves the product testing efficiency, reduces the field installation requirement, reduces the construction difficulty, further effectively reduces the production, installation and maintenance costs, and can be used as a matched RJ structure sealing element. Meanwhile, the end face sealing structure is adopted, the problem that the inner wall of the pipeline is corroded due to the fact that the high-pressure electromagnetic flowmeter cannot be used as a lining of the pipeline is effectively solved, and the service life is prolonged.
Furthermore, the material of ring body is stainless steel, red copper or PEEK resin, and the material is various optional, is applicable to the measurement of multiple acid-base salt liquid, satisfies all kinds of application site demands.
Furthermore, a thread is arranged at one end of the outer wall of the ring body. When the high-voltage electromagnetic flowmeter is used, the sealing ring of the high-voltage electromagnetic flowmeter is horizontally screwed into the high-voltage electromagnetic flowmeter according to the threads, so that the high-voltage electromagnetic flowmeter is simple and convenient to mount; meanwhile, due to the design of the half-thread structure, the extrusion gap is increased, the movable gap in the installation process is ensured, and the threads are not damaged.
Furthermore, a second protruding ring is arranged on the other side of the ring body, a fourth sealing ring groove is formed in one side, close to the edge of the ring body, of the second protruding ring, and a fourth sealing ring is arranged in the fourth sealing ring groove; chamfers used for adapting the end face of the high-pressure electromagnetic flowmeter to be sealed are arranged on the inner wall and the outer wall of the second protruding ring. Based on such design, during the use, can place many high-pressure electric-magnetic flow meter on the frock slide rail, then place high-pressure electric-magnetic flow meter sealing ring in between the adjacent high-pressure electric-magnetic flow meter, the operation can be repeated again to the same epitope. During quick installation, can adopt the flexible high-pressure electromagnetic flowmeter centre gripping of pneumatic clamp table ware level to the working line on, carry out the product test, shorten product centre gripping time, improve production test quantity, can promote and be used for all pipeline RJ flange end face seals, increase sealed effect.
Drawings
FIG. 1 is a schematic view of a sealing ring of a high-pressure electromagnetic flowmeter according to an embodiment of the invention;
FIG. 2 is a schematic view of a sealing ring of a high-pressure electromagnetic flowmeter according to another embodiment of the invention;
fig. 3 is a schematic view of a sealing ring of a high-pressure electromagnetic flowmeter according to another embodiment of the invention.
Wherein: 1-a ring body; 2-a first projecting ring; 3-a second bulge loop; 4-a first sealing ring; 5-a second sealing ring; 6-third sealing ring; 7-fourth sealing ring.
Detailed Description
In order to make the technical solutions of the present invention better understood, the technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
It should be noted that the terms "first," "second," and the like in the description and claims of the present invention and in the drawings described above are used for distinguishing between similar elements and not necessarily for describing a particular sequential or chronological order. It is to be understood that the data so used is interchangeable under appropriate circumstances such that the embodiments of the invention described herein are capable of operation in sequences other than those illustrated or described herein. Furthermore, the terms "comprises," "comprising," and "having," and any variations thereof, are intended to cover a non-exclusive inclusion, such that a process, method, system, article, or apparatus that comprises a list of steps or elements is not necessarily limited to those steps or elements expressly listed, but may include other steps or elements not expressly listed or inherent to such process, method, article, or apparatus.
The invention is described in further detail below with reference to the accompanying drawings:
referring to fig. 1, in an embodiment of the present invention, a sealing ring for a high-pressure electromagnetic flowmeter is provided, including a ring body 1; a first bulge ring 2 is arranged on one side of the ring body 1, a first sealing ring groove is formed in one side, close to the edge of the ring body 1, of the first bulge ring 2, and a first sealing ring 4 is arranged in the first sealing ring groove; a second sealing ring groove is formed in one side, provided with the first protruding ring 2, of the ring body 1, a second sealing ring 5 is arranged in the second sealing ring groove, and the second sealing ring groove is located between the first protruding ring 2 and a ring hole of the ring body 1; a third sealing ring groove is formed in the other side of the ring body 1, and a third sealing ring 6 is arranged in the third sealing ring groove; chamfers used for adapting the end face of the high-pressure electromagnetic flowmeter to be sealed are arranged on the inner wall and the outer wall of the first bulge ring 2.
The invention relates to a specific use method of a sealing ring of a high-pressure electromagnetic flowmeter, which comprises the following steps:
hug closely high-pressure electromagnetic flowmeter sealing ring and treat sealed high-pressure electromagnetic flowmeter terminal surface, accessible bolt extrusion high-pressure electromagnetic flowmeter sealing ring and treat the clearance between the sealed high-pressure electromagnetic flowmeter terminal surface, realize sealed through first sealing washer 4, second sealing washer 5 and third sealing washer 6, but the bolt-up quick seal can reach 50MPa (water), and the withstand voltage of limit seals 63MPa (water).
It is thus clear that this high-pressure electromagnetic flowmeter sealing ring, carry out organic ingenious combination with two end face seals and an axial seal, there is plane seal promptly, also there is axial seal, very big sealed effect that improves, can extensively popularize and be used for all pipeline RJ flange end face seals, increase sealed effect, can be used for the sealing connection between high-pressure electromagnetic flowmeter's flange RJ terminal surface and the pipeline flange terminal surface, be suitable for the quick installation of the tight centre gripping in pneumatic clamp table ware top equally, and then solve the unmatched condition of work pipeline and high-pressure electromagnetic flowmeter's flange, improve product test efficiency, on-the-spot installation requirement has been reduced, the construction degree of difficulty has been reduced, and then effectual reduction production, the installation, the maintenance cost, can regard as RJ structure sealing member supporting use. Meanwhile, the end face sealing structure is adopted, the problem that the inner wall of the pipeline is corroded due to the fact that the high-pressure electromagnetic flowmeter cannot be used as a lining of the pipeline is effectively solved, and the service life is prolonged.
Optionally, the first sealing ring 4, the second sealing ring 5 and the third sealing ring 6 are all O-shaped sealing rings, so that the amount of movable gaps is provided, and the generation difficulty is reduced.
Optionally, the material of ring body 1 is stainless steel, copper or PEEK resin, and the material is various optional, is applicable to the measurement of multiple acid-base salt liquid, satisfies all kinds of application site demands.
Optionally, the second seal ring groove and the second seal ring groove are symmetrically designed.
Referring to fig. 2, the outer wall of the ring body 1 may be provided with threads at one end thereof. When the high-voltage electromagnetic flowmeter is used, the sealing ring of the high-voltage electromagnetic flowmeter is horizontally screwed into the high-voltage electromagnetic flowmeter according to the threads, so that the high-voltage electromagnetic flowmeter is simple and convenient to mount; meanwhile, due to the design of the half-thread structure, the extrusion gap is increased, the movable gap in the installation process is ensured, and the threads are not damaged.
Alternatively, the ring body 1 and the first projecting ring 2 are integrally formed. Convenient processing, low processing cost, high temperature resistance, corrosion resistance, high strength and good stability.
Referring to fig. 3, optionally, a second protruding ring 3 is arranged on the other side of the ring body 1, a fourth sealing ring groove is formed in one side, close to the edge of the ring body 1, of the second protruding ring 3, and a fourth sealing ring 7 is arranged in the fourth sealing ring groove; and chamfers used for adapting the end face of the high-pressure electromagnetic flowmeter to be sealed are arranged on the inner wall and the outer wall of the second bulge ring 3. Based on such design, during the use, can place many high-pressure electric-magnetic flow meter on the frock slide rail, then place high-pressure electric-magnetic flow meter sealing ring in between the adjacent high-pressure electric-magnetic flow meter, the operation can be repeated again to the same epitope. During quick installation, can adopt the flexible high-pressure electromagnetic flowmeter centre gripping of pneumatic clamp table ware level to the working line on, carry out the product test, shorten product centre gripping time, improve production test quantity, can promote and be used for all pipeline RJ flange end face seals, increase sealed effect.
During specific application, 1.0MPa quick seal can be realized through clamping the meter ware and installing additional, and concrete sealed effect rises and improves along with the clamp power that adds the clamp meter ware, can realize the quick sealed effect of many high-pressure electromagnetic flowmeter meters, the test efficiency of software testing of very big improvement high-pressure electromagnetic flowmeter.
Optionally, the fourth sealing ring 7 is an O-ring.
Alternatively, the first 2 and second 3 projecting rings are designed symmetrically along the ring body 1. The product has high installation symmetry, and can greatly increase the test epitope.
Optionally, the ring body 1, the first projecting ring 2 and the second projecting ring 3 are integrally formed. The processing is convenient, the processing cost is low, and the finished product has stronger corrosion resistance, stability and sealing property.
The above-mentioned contents are only for illustrating the technical idea of the present invention, and the protection scope of the present invention is not limited thereby, and any modification made on the basis of the technical idea of the present invention falls within the protection scope of the claims of the present invention.
Claims (10)
1. A high-pressure electromagnetic flowmeter sealing ring is characterized by comprising a ring body (1); a first protruding ring (2) is arranged on one side of the ring body (1), a first sealing ring groove is formed in one side, close to the edge of the ring body (1), of the first protruding ring (2), and a first sealing ring (4) is arranged in the first sealing ring groove; a second sealing ring groove is formed in one side, provided with the first protruding ring (2), of the ring body (1), a second sealing ring (5) is arranged in the second sealing ring groove, and the second sealing ring groove is located between the first protruding ring (2) and a ring hole of the ring body (1); a third sealing ring groove is formed in the other side of the ring body (1), and a third sealing ring (6) is arranged in the third sealing ring groove; chamfers used for adapting the end face of the high-pressure electromagnetic flowmeter to be sealed are arranged on the inner wall and the outer wall of the first protruding ring (2).
2. The sealing ring for a high-pressure electromagnetic flowmeter according to claim 1, wherein the first sealing ring (4), the second sealing ring (5) and the third sealing ring (6) are all O-rings.
3. The sealing ring of a high-pressure electromagnetic flowmeter according to claim 1, characterized in that the material of the ring body (1) is stainless steel, copper or PEEK resin.
4. The high-pressure electromagnetic flowmeter seal ring of claim 1, wherein the first seal ring groove and the second seal ring groove are symmetrically designed.
5. The high-pressure electromagnetic flowmeter seal ring according to claim 1, characterized in that the outer wall of the ring body (1) is provided with a thread on one end.
6. The high-pressure electromagnetic flowmeter seal ring according to claim 1, characterized in that the ring body (1) and the first projecting ring (2) are integrally formed.
7. The sealing ring of the high-pressure electromagnetic flowmeter according to claim 1, characterized in that a second bulge ring (3) is arranged on the other side of the ring body (1), a fourth sealing ring groove is arranged on one side of the second bulge ring (3) close to the edge of the ring body (1), and a fourth sealing ring (7) is arranged in the fourth sealing ring groove; chamfers used for adapting the end face of the high-pressure electromagnetic flowmeter to be sealed are arranged on the inner wall and the outer wall of the second protruding ring (3).
8. The high-pressure electromagnetic flowmeter seal ring according to claim 7, characterized in that the fourth seal ring (7) is an O-ring seal.
9. The high-pressure electromagnetic flowmeter seal ring according to claim 7, characterized in that the first projecting ring (2) and the second projecting ring (3) are designed symmetrically along the ring body (1).
10. The high-pressure electromagnetic flowmeter seal ring according to claim 7, characterized in that the ring body (1), the first projecting ring (2) and the second projecting ring (3) are integrally formed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111516136.4A CN114183600A (en) | 2021-12-06 | 2021-12-06 | Sealing ring of high-pressure electromagnetic flowmeter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202111516136.4A CN114183600A (en) | 2021-12-06 | 2021-12-06 | Sealing ring of high-pressure electromagnetic flowmeter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114183600A true CN114183600A (en) | 2022-03-15 |
Family
ID=80543394
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202111516136.4A Pending CN114183600A (en) | 2021-12-06 | 2021-12-06 | Sealing ring of high-pressure electromagnetic flowmeter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN114183600A (en) |
Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB294811A (en) * | 1927-11-03 | 1928-08-02 | Ici Ltd | Improvements in or relating to high pressure pipe joints |
| GB831691A (en) * | 1956-11-07 | 1960-03-30 | Ladish Co | Sealed joints |
| FR76666E (en) * | 1959-11-28 | 1961-11-17 | Karl Marx Stadt Ind Werke | Watertight junction device, especially for pipes |
| DE3420135A1 (en) * | 1984-05-30 | 1985-12-05 | Westdeutsche Schweißwerk- und Rohrleitungsbau GmbH, 4330 Mülheim | Pipe connection for a high-pressure gas line |
| WO1997021052A1 (en) * | 1995-12-02 | 1997-06-12 | Flexitallic Limited | Sealing gasket arrangement |
| US5938246A (en) * | 1997-02-10 | 1999-08-17 | Wallace; Thomas C. | Increased pressure fluid carrying pipeline system and method therefor |
| CN2524049Y (en) * | 2001-06-03 | 2002-12-04 | 苏雪莲 | High-pressure sealing flange cushions |
| US20130285369A1 (en) * | 2010-09-22 | 2013-10-31 | Vetco Gray Scandinavia As | Tubular joint |
| US20140353927A1 (en) * | 2013-06-04 | 2014-12-04 | Richard Schroder | Fire and chemical resistant gasket |
| US20180142817A1 (en) * | 2015-05-15 | 2018-05-24 | Evenort Ltd | Mechanical seal assembly |
| CN110878836A (en) * | 2019-11-25 | 2020-03-13 | 苏州宝骅密封科技股份有限公司 | Sealing gasket |
| CN211373744U (en) * | 2019-12-19 | 2020-08-28 | 武汉辰格自动化仪表有限公司 | Electromagnetic flowmeter |
-
2021
- 2021-12-06 CN CN202111516136.4A patent/CN114183600A/en active Pending
Patent Citations (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB294811A (en) * | 1927-11-03 | 1928-08-02 | Ici Ltd | Improvements in or relating to high pressure pipe joints |
| GB831691A (en) * | 1956-11-07 | 1960-03-30 | Ladish Co | Sealed joints |
| FR76666E (en) * | 1959-11-28 | 1961-11-17 | Karl Marx Stadt Ind Werke | Watertight junction device, especially for pipes |
| DE3420135A1 (en) * | 1984-05-30 | 1985-12-05 | Westdeutsche Schweißwerk- und Rohrleitungsbau GmbH, 4330 Mülheim | Pipe connection for a high-pressure gas line |
| WO1997021052A1 (en) * | 1995-12-02 | 1997-06-12 | Flexitallic Limited | Sealing gasket arrangement |
| US5938246A (en) * | 1997-02-10 | 1999-08-17 | Wallace; Thomas C. | Increased pressure fluid carrying pipeline system and method therefor |
| CN2524049Y (en) * | 2001-06-03 | 2002-12-04 | 苏雪莲 | High-pressure sealing flange cushions |
| US20130285369A1 (en) * | 2010-09-22 | 2013-10-31 | Vetco Gray Scandinavia As | Tubular joint |
| US20140353927A1 (en) * | 2013-06-04 | 2014-12-04 | Richard Schroder | Fire and chemical resistant gasket |
| US20180142817A1 (en) * | 2015-05-15 | 2018-05-24 | Evenort Ltd | Mechanical seal assembly |
| CN110878836A (en) * | 2019-11-25 | 2020-03-13 | 苏州宝骅密封科技股份有限公司 | Sealing gasket |
| CN211373744U (en) * | 2019-12-19 | 2020-08-28 | 武汉辰格自动化仪表有限公司 | Electromagnetic flowmeter |
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