CN110529680A - A kind of multi-sealed Anti-corrosion flange - Google Patents
A kind of multi-sealed Anti-corrosion flange Download PDFInfo
- Publication number
- CN110529680A CN110529680A CN201910928212.9A CN201910928212A CN110529680A CN 110529680 A CN110529680 A CN 110529680A CN 201910928212 A CN201910928212 A CN 201910928212A CN 110529680 A CN110529680 A CN 110529680A
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- China
- Prior art keywords
- flange
- sealing
- piece
- screw thread
- hole
- 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
- 238000005260 corrosion Methods 0.000 title claims abstract description 19
- 238000007789 sealing Methods 0.000 claims abstract description 109
- 238000003466 welding Methods 0.000 claims description 6
- 238000000034 method Methods 0.000 claims description 3
- 239000012530 fluid Substances 0.000 abstract description 11
- 238000009510 drug design Methods 0.000 abstract description 3
- 238000012423 maintenance Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 239000003638 chemical reducing agent Substances 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 239000007921 spray Substances 0.000 description 1
- 230000009466 transformation Effects 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
- F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
- F16L23/00—Flanged joints
- F16L23/02—Flanged joints the flanges being connected by members tensioned axially
- F16L23/024—Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Flanged Joints, Insulating Joints, And Other Joints (AREA)
Abstract
The invention discloses a kind of multi-sealed Anti-corrosion flanges, including the first connecting column, first flange face, second connecting column, second flange face, first sealing flange piece, second sealing flange piece and flange plate adapter sleeve, compared with prior art, the present invention has rational design, structure is simple, by the way that the first sealing flange piece is arranged, the mode of second sealing flange piece and flange plate adapter sleeve, greatly strengthen the sealing performance of flange seal piece, reduce the possibility that corrosive fluid is revealed from pipeline, in such a way that multiple sealing rings are set, further enhance the overall tightness of flange sealing structure, the possibility that fluid is revealed from pipeline is preferably minimized, it is worthy to be popularized.
Description
[technical field]
The present invention relates to the technical field of fastener, especially a kind of multi-sealed Anti-corrosion flange.
[background technique]
Flange is called flange flange disk or flange.Flange is part interconnected between axis and axis, between pipe end
Connection；Also have with the flange on equipment is imported and exported, for the connection between two equipment, such as speed reducer flange.Flange connects
It connects or bump joint, refers to the releasable connection being connected with each other by flange, gasket and bolt three as one group of combined sealing structure.
Existing flange is mostly that flange, gasket and bolt three are connected with each other composition, is corrosive high-pressure spray in conveyer belt
When body, flange connections are easy to appear fluid leakage, and corrosion pipeline causes transport pipe system leakproofness to decline in turn, causes not
Necessary loss, therefore, it is necessary to propose a kind of multi-sealed Anti-corrosion flange.
[summary of the invention]
The object of the invention is to solve the problems of the prior art, a kind of multi-sealed Anti-corrosion flange, this hair are proposed
Rationally, structure is simple for bright design, passes through the side of the first sealing flange piece of setting, the second sealing flange piece and flange plate adapter sleeve
Formula greatly strengthens the sealing performance of flange seal piece, the possibility that corrosive fluid is revealed from pipeline is reduced, by setting
The mode for setting multiple sealing rings further enhances the overall tightness of flange sealing structure, fluid is revealed from pipeline
It may be preferably minimized, be worthy to be popularized.
To achieve the above object, the invention proposes a kind of multi-sealed Anti-corrosion flanges, including the first connecting column, first
Flange face, the second connecting column, second flange face, the first sealing flange piece, the second sealing flange piece and flange plate adapter sleeve, it is described
The right end of first connecting column is equipped with first flange face, and the right side in the first flange face is equipped with the second connecting column, and described second connects
The left end for connecing column is equipped with second flange face, and the first Sealing Method is equipped between the second flange face and the opposite side in first flange face
Blue piece and the second sealing flange piece, the first sealing flange piece are located at the left side of the second sealing flange piece, first sealing
The outer sheath of flange plate and the second sealing flange piece is equipped with flange plate adapter sleeve.
Preferably, being equipped with first through hole inside first connecting column, the inner wall of the first through hole is equipped with first
The section of stop-return slot, first stop-return slot is isosceles trapezoid, and first stop-return slot is located at the right side of first through hole inner wall.
Preferably, the first flange face is equipped with several first connecting holes, the quantity of first connecting hole is 4
It is a, first connecting hole along first flange face the center of circle it is annular in shape be uniformly distributed, the first flange face passes through welding
Mode be fixedly mounted on the right side of the first connecting column.
Preferably, the second connection column wall is equipped with the second through-hole, the inner wall of second through-hole is equipped with
The section of second stop-return slot, second stop-return slot is isosceles trapezoid, and second stop-return slot is located at a left side for the second through-hole wall
Half portion.
Preferably, the second flange face is equipped with several second connecting holes, the quantity of second connecting hole is 4
It is a, second connecting hole along second flange face the center of circle it is annular in shape be uniformly distributed, the second flange face passes through welding
Mode be fixedly mounted on the left side of the second connecting column.
Preferably, the lateral wall of the first sealing flange piece is equipped with the first external screw thread, first sealing flange
On piece is equipped with third connecting hole, and the first sealing flange piece left end is equipped with the first connection bump, in first connection bump
Equipped with the first sealing ring mounting groove, the first sealing ring, the first sealing flange piece are equipped in first sealing ring mounting groove
Right end is equipped with seal convexity ring, and coordination slot is equipped on the inside of the seal convexity ring.
Preferably, the lateral wall of the second sealing flange piece is equipped with the second external screw thread, second sealing flange
On piece is equipped with the 4th connecting hole, and the right end of the second sealing flange piece is equipped with the second connection bump, second connection bump
It is equipped with the second sealing ring mounting groove, is equipped with the second sealing ring, second sealing flange in second sealing ring mounting groove
The left end of piece is equipped with closure gasket groove corresponding with seal convexity ring, and the slot bottom of the closure gasket groove is equipped with third sealing ring.
Preferably, the inner wall of the flange plate adapter sleeve be equipped with the first internal screw thread and the second internal screw thread, described first
Internal screw thread is corresponding with the first external screw thread, and second internal screw thread is corresponding with the second external screw thread, first internal screw thread and
The thread rotary orientation of two internal screw threads is on the contrary, the reach of first internal screw thread and the second internal screw thread is identical.
Beneficial effects of the present invention: the present invention has rational design, and structure is simple, by the way that the first sealing flange piece, second is arranged
The mode of sealing flange piece and flange plate adapter sleeve greatly strengthens the sealing performance of flange seal piece, reduces corrosivity
The possibility that fluid is revealed from pipeline；In such a way that multiple sealing rings are set, the whole of flange sealing structure is further enhanced
Body leakproofness, the possibility that fluid is revealed from pipeline are preferably minimized；Pass through setting seal convexity ring, closure gasket groove and coordination slot
Mode, using the limitation of the left side metallic walls of closure gasket groove, so that the corrosive fluid in pipeline can not be touched positioned at close
Third sealing ring inside seal ring slot, increases the service life of third sealing ring, thereby reduces the maintenance of flange of the present invention
Number and frequency.
Feature and advantage of the invention will be described in detail by embodiment combination attached drawing.
[Detailed description of the invention]
Fig. 1 is a kind of structural schematic diagram of multi-sealed Anti-corrosion flange of the present invention.
In figure: the first connecting column of 1-, 11- first through hole, the first stop-return slot of 12-, 2- first flange face, the connection of 21- first
Hole, the second connecting column of 3-, the second through-hole of 31-, the second stop-return slot of 32-, 4- second flange face, the second connecting hole of 41-, 5- first are close
Seal flange plate, the first external screw thread of 51-, 52- third connecting hole, the first connection bump of 53-, the first sealing ring mounting groove of 54-, 55-
First sealing ring, 56- seal convexity ring, 57- are coordinated slot, the second sealing flange of 6- piece, the second external screw thread of 61-, the connection of 62- the 4th
Hole, the second connection bump of 63-, the second sealing ring mounting groove of 64-, the second sealing ring of 65-, 66- closure gasket groove, the sealing of 67- third
Circle, 7- flange plate adapter sleeve, the first internal screw thread of 71-, the second internal screw thread of 72-.
[specific embodiment]
Refering to attached drawing, a kind of multi-sealed Anti-corrosion flange of the present invention, including the first connecting column 1, first flange face 2, the
Two connecting columns 3, second flange face 4, the first sealing flange piece 5, the second sealing flange piece 6 and flange plate adapter sleeve 7, described first
The right end of connecting column 1 is equipped with first flange face 2, and the right side in the first flange face 2 is equipped with the second connecting column 3, and described second connects
The left end for connecing column 3 is equipped with second flange face 4, and it is close that first is equipped between the second flange face 4 and the opposite side in first flange face 2
Flange plate 5 and the second sealing flange piece 6 are sealed, the first sealing flange piece 5 is located at the left side of the second sealing flange piece 6, described
The outer sheath of first sealing flange piece 5 and the second sealing flange piece 6 is equipped with flange plate adapter sleeve 7.
Wherein, first through hole 11 is equipped with inside first connecting column 1, the inner wall of the first through hole 11 is equipped with first
The section of stop-return slot 12, first stop-return slot 12 is isosceles trapezoid, and first stop-return slot 12 is located at 11 inner wall of first through hole
Right side.
Wherein, the first flange face 2 is equipped with several first connecting holes 21, and the quantity of first connecting hole 21 is 4
It is a, first connecting hole 21 along first flange face 2 the center of circle it is annular in shape be uniformly distributed, the first flange face 2 passes through
The mode of welding is fixedly mounted on the right side of the first connecting column 1.
Wherein, 3 inner wall of the second connecting column is equipped with the second through-hole 31, and the inner wall of second through-hole 31 is equipped with
The section of second stop-return slot 32, second stop-return slot 32 is isosceles trapezoid, and second stop-return slot 32 is located at the second through-hole 31
The left side of inner wall.
Wherein, the second flange face 4 is equipped with several second connecting holes 41, and the quantity of second connecting hole 41 is 4
It is a, second connecting hole 41 along second flange face 4 the center of circle it is annular in shape be uniformly distributed, the second flange face 4 passes through
The mode of welding is fixedly mounted on the left side of the second connecting column 3.
Wherein, the lateral wall of the first sealing flange piece 5 is equipped with the first external screw thread 51, the first sealing flange piece
5 are equipped with third connecting hole 52, and 5 left end of the first sealing flange piece is equipped with the first connection bump 53, and first connection is convex
It plays 53 and is equipped with the first sealing ring mounting groove 54, be equipped with the first sealing ring 55 in first sealing ring mounting groove 54, described the
One sealing flange piece, 5 right end is equipped with seal convexity ring 56, and coordination slot 57 is equipped on the inside of the seal convexity ring 56.
Wherein, the lateral wall of the second sealing flange piece 6 is equipped with the second external screw thread 61, the second sealing flange piece
6 are equipped with the 4th connecting hole 62, and the right end of the second sealing flange piece 6 is equipped with the second connection bump 63, second connection
Protrusion 63 is equipped with the second sealing ring mounting groove 64, and the second sealing ring 65 is equipped in second sealing ring mounting groove 64, described
The left end of second sealing flange piece 6 is equipped with closure gasket groove 66 corresponding with seal convexity ring 56, the slot of the closure gasket groove 66
Bottom is equipped with third sealing ring 67.
Wherein, the inner wall of the flange plate adapter sleeve 7 be equipped with the first internal screw thread 71 and the second internal screw thread 72, described first
Internal screw thread 71 is corresponding with the first external screw thread 51, and second internal screw thread 72 is corresponding with the second external screw thread 61, in described first
The thread rotary orientation of screw thread 71 and the second internal screw thread 72 on the contrary, first internal screw thread 71 and the second internal screw thread 72 reach phase
Together.
The course of work of the invention:
A kind of multi-sealed Anti-corrosion flange of the present invention is during the work time:
First: the first sealing ring 55, the second sealing ring 65 and third sealing ring 67 are conveniently installed to the first sealing ring peace
Inside tankage 54, the second sealing ring mounting groove 64 and closure gasket groove 66, then by the first sealing flange piece 5 and the second sealing flange
Piece 6 is screwed into flange plate adapter sleeve 7, so that seal convexity ring 56 snaps onto inside closure gasket groove 66, while guaranteeing that third connects
It connects hole 52 and is aligned the 4th connecting hole 62；
Secondly: the first connection bump 53 and the second connection bump 63 being inserted into first through hole 11 and the second through-hole 31 respectively
Inside, and the first sealing ring 55 and the second sealing ring 65 are embedded into inside the first stop-return slot 12 and the second stop-return slot 32, simultaneously
It is aligned the first connecting hole 21,41 third connecting hole 52 of the second connecting hole and the 4th connecting hole 62；
It is last: by external connection bolt, entire flange seal component and the first connecting column 1 and the second connecting column 3 being connected
It picks up and, complete assembling.
Compared with prior art, the present invention has rational design, and structure is simple, close by the first sealing flange piece 5, second of setting
The mode for sealing flange plate 6 and flange plate adapter sleeve 7, greatly strengthens the sealing performance of flange seal piece, reduces corrosivity
The possibility that fluid is revealed from pipeline；In such a way that multiple sealing rings are set, the whole of flange sealing structure is further enhanced
Body leakproofness, the possibility that fluid is revealed from pipeline are preferably minimized；By setting seal convexity ring 65, closure gasket groove 66 and match
The mode of position slot 57, using the limitation of the left side metallic walls of closure gasket groove 66, so that the corrosive fluid in pipeline can not contact
To the third sealing ring 67 being located inside closure gasket groove 66, the service life of third sealing ring 67 is increased, thereby reduces this
The maintenance number and frequency of invention flange.
Above-described embodiment is the description of the invention, is not limitation of the invention, after any pair of simple transformation of the present invention
Scheme all belong to the scope of protection of the present invention.
Claims (8)
1. a kind of multi-sealed Anti-corrosion flange, it is characterised in that: including the first connecting column (1), first flange face (2), second
Connecting column (3), second flange face (4), the first sealing flange piece (5), the second sealing flange piece (6) and flange plate adapter sleeve (7),
The right end of first connecting column (1) is equipped with first flange face (2), and the right side of the first flange face (2) is equipped with the second connection
The left end of column (3), second connecting column (3) is equipped with second flange face (4), the second flange face (4) and first flange face
(2) the first sealing flange piece (5) and the second sealing flange piece (6), the first sealing flange piece (5) are equipped between opposite side
Positioned at the left side of the second sealing flange piece (6), the outer sheath of the first sealing flange piece (5) and the second sealing flange piece (6)
Equipped with flange plate adapter sleeve (7).
2. a kind of multi-sealed Anti-corrosion flange as described in claim 1, it is characterised in that: in first connecting column (1)
Portion is equipped with first through hole (11), and the inner wall of the first through hole (11) is equipped with the first stop-return slot (12), first stop-return slot
(12) section is isosceles trapezoid, and first stop-return slot (12) is located at the right side of first through hole (11) inner wall.
3. a kind of multi-sealed Anti-corrosion flange as described in claim 1, it is characterised in that: on the first flange face (2)
Equipped with several first connecting holes (21), the quantity of first connecting hole (21) is 4, and first connecting hole (21) is along the
The center of circle of one flange face (2) is annular in shape to be uniformly distributed, and the first flange face (2) is fixedly mounted on by welding
On the right side of one connecting column (1).
4. a kind of multi-sealed Anti-corrosion flange as described in claim 1, it is characterised in that: in second connecting column (3)
Wall is equipped with the second through-hole (31), and the inner wall of second through-hole (31) is equipped with the second stop-return slot (32), and described second stops
The section of return-enclosure (32) is isosceles trapezoid, and second stop-return slot (32) is located at the left side of the second through-hole (31) inner wall.
5. a kind of multi-sealed Anti-corrosion flange as described in claim 1, it is characterised in that: on the second flange face (4)
Equipped with several second connecting holes (41), the quantity of second connecting hole (41) is 4, and second connecting hole (41) is along the
The center of circle of two flange faces (4) is annular in shape to be uniformly distributed, and the second flange face (4) is fixedly mounted on by welding
On the left side of two connecting columns (3).
6. a kind of multi-sealed Anti-corrosion flange as described in claim 1, it is characterised in that: the first sealing flange piece
(5) lateral wall is equipped with the first external screw thread (51), and the first sealing flange piece (5) is equipped with third connecting hole (52), institute
The first sealing flange piece (5) left end is stated equipped with the first connection bump (53), it is close that first connection bump (53) is equipped with first
Seal mounting groove (54), first sealing ring mounting groove (54) is interior to be equipped with the first sealing ring (55), first sealing flange
Piece (5) right end is equipped with seal convexity ring (56), and coordination slot (57) is equipped on the inside of the seal convexity ring (56).
7. a kind of multi-sealed Anti-corrosion flange as claimed in claim 6, it is characterised in that: the second sealing flange piece
(6) lateral wall is equipped with the second external screw thread (61), and the second sealing flange piece (6) is equipped with the 4th connecting hole (62), institute
The right end for stating the second sealing flange piece (6) is equipped with the second connection bump (63), and second connection bump (63) is equipped with second
Sealing ring mounting groove (64), second sealing ring mounting groove (64) is interior to be equipped with the second sealing ring (65), second Sealing Method
The left end of blue piece (6) is equipped with closure gasket groove (66) corresponding with seal convexity ring (56), the slot bottom of the closure gasket groove (66)
Equipped with third sealing ring (67).
8. a kind of multi-sealed Anti-corrosion flange as described in claim 1-7, it is characterised in that: the flange plate adapter sleeve
(7) inner wall is equipped with the first internal screw thread (71) and the second internal screw thread (72), first internal screw thread (71) and the first external screw thread
(51) corresponding, second internal screw thread (72) is corresponding with the second external screw thread (61), first internal screw thread (71) and second
The thread rotary orientation of internal screw thread (72) is on the contrary, first internal screw thread (71) is identical with the reach of the second internal screw thread (72).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910928212.9A CN110529680A (en) | 2019-09-28 | 2019-09-28 | A kind of multi-sealed Anti-corrosion flange |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910928212.9A CN110529680A (en) | 2019-09-28 | 2019-09-28 | A kind of multi-sealed Anti-corrosion flange |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110529680A true CN110529680A (en) | 2019-12-03 |
Family
ID=68670669
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910928212.9A Pending CN110529680A (en) | 2019-09-28 | 2019-09-28 | A kind of multi-sealed Anti-corrosion flange |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110529680A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536338A (en) * | 2020-05-12 | 2020-08-14 | 海盐县法兰厂 | Corrosion-resistant flat welding flange and processing method thereof |
| CN111828752A (en) * | 2020-07-14 | 2020-10-27 | 中航天建设工程集团有限公司 | Flexible connecting device for pipeline |
| CN112212112A (en) * | 2020-10-23 | 2021-01-12 | 杭州兔研工业设计有限公司 | Thermal insulation pipeline compensator |
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| CN2166296Y (en) * | 1993-03-04 | 1994-05-25 | 吕铁超 | Fast connecting flange for valve pipeline |
| KR20000018693U (en) * | 1999-03-25 | 2000-10-25 | 정몽규 | Couple means of air conditioner pipe |
| JP3115875U (en) * | 2005-08-18 | 2005-11-17 | 上品綜合工業股▲ふん▼有限公司 | Pipe fitting |
| KR20080002543U (en) * | 2007-01-08 | 2008-07-11 | 새한합성산업 주식회사 | The pipeline |
| KR20120119653A (en) * | 2011-04-22 | 2012-10-31 | 주식회사 한국피이엠 | Pipe connecting device, piping having the same, repair method and construction method for piping using the same |
| CN204512721U (en) * | 2014-12-29 | 2015-07-29 | 常州市常武欣摄石化配件有限公司 | High-pressure anticorrosion flange |
| CN204986111U (en) * | 2015-09-24 | 2016-01-20 | 江苏广通管业制造有限公司 | Twist box -like novel flange |
| CN205978899U (en) * | 2016-08-16 | 2017-02-22 | 郑州科林车用空调有限公司 | Spacing seal structure of multiple direction of passenger train idle call pipeline |
| CN207539504U (en) * | 2017-12-01 | 2018-06-26 | 天津中瑞邦络克管道联接技术有限公司 | A kind of plastic clasp connector |
| CN207648308U (en) * | 2017-12-12 | 2018-07-24 | 禹州市神运机械有限公司 | A kind of pipe flange |
| CN208153909U (en) * | 2018-05-14 | 2018-11-27 | 湖北典辉科技实业有限公司 | A kind of flange cover attaching structure of band precoating sealant |
| CN208804364U (en) * | 2018-08-29 | 2019-04-30 | 东莞市泰丰空调制冷设备有限公司 | A kind of attachment device of loop adapter tube |
| CN208871205U (en) * | 2018-08-09 | 2019-05-17 | 杭州赛东科技有限公司 | A kind of flange seal mat structure |
| CN209084226U (en) * | 2018-11-01 | 2019-07-09 | 中交二公局电务工程有限公司 | A kind of New type water pipe connector of tamper-proof metal pipeline anticorrosive coating |
| CN110260070A (en) * | 2019-06-22 | 2019-09-20 | 刘进取 | A kind of fluid pipeline flange |
| CN211289095U (en) * | 2019-09-28 | 2020-08-18 | 浙江亚泰连接盘制造有限公司 | Multi-sealing corrosion-resistant flange |
-
2019
- 2019-09-28 CN CN201910928212.9A patent/CN110529680A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN2166296Y (en) * | 1993-03-04 | 1994-05-25 | 吕铁超 | Fast connecting flange for valve pipeline |
| KR20000018693U (en) * | 1999-03-25 | 2000-10-25 | 정몽규 | Couple means of air conditioner pipe |
| JP3115875U (en) * | 2005-08-18 | 2005-11-17 | 上品綜合工業股▲ふん▼有限公司 | Pipe fitting |
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| CN204512721U (en) * | 2014-12-29 | 2015-07-29 | 常州市常武欣摄石化配件有限公司 | High-pressure anticorrosion flange |
| CN204986111U (en) * | 2015-09-24 | 2016-01-20 | 江苏广通管业制造有限公司 | Twist box -like novel flange |
| CN205978899U (en) * | 2016-08-16 | 2017-02-22 | 郑州科林车用空调有限公司 | Spacing seal structure of multiple direction of passenger train idle call pipeline |
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| CN207648308U (en) * | 2017-12-12 | 2018-07-24 | 禹州市神运机械有限公司 | A kind of pipe flange |
| CN208153909U (en) * | 2018-05-14 | 2018-11-27 | 湖北典辉科技实业有限公司 | A kind of flange cover attaching structure of band precoating sealant |
| CN208871205U (en) * | 2018-08-09 | 2019-05-17 | 杭州赛东科技有限公司 | A kind of flange seal mat structure |
| CN208804364U (en) * | 2018-08-29 | 2019-04-30 | 东莞市泰丰空调制冷设备有限公司 | A kind of attachment device of loop adapter tube |
| CN209084226U (en) * | 2018-11-01 | 2019-07-09 | 中交二公局电务工程有限公司 | A kind of New type water pipe connector of tamper-proof metal pipeline anticorrosive coating |
| CN110260070A (en) * | 2019-06-22 | 2019-09-20 | 刘进取 | A kind of fluid pipeline flange |
| CN211289095U (en) * | 2019-09-28 | 2020-08-18 | 浙江亚泰连接盘制造有限公司 | Multi-sealing corrosion-resistant flange |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111536338A (en) * | 2020-05-12 | 2020-08-14 | 海盐县法兰厂 | Corrosion-resistant flat welding flange and processing method thereof |
| CN111828752A (en) * | 2020-07-14 | 2020-10-27 | 中航天建设工程集团有限公司 | Flexible connecting device for pipeline |
| CN112212112A (en) * | 2020-10-23 | 2021-01-12 | 杭州兔研工业设计有限公司 | Thermal insulation pipeline compensator |
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