CN106439310A - High-neck stainless steel welding neck flange - Google Patents
High-neck stainless steel welding neck flange Download PDFInfo
- Publication number
- CN106439310A CN106439310A CN201610751124.2A CN201610751124A CN106439310A CN 106439310 A CN106439310 A CN 106439310A CN 201610751124 A CN201610751124 A CN 201610751124A CN 106439310 A CN106439310 A CN 106439310A
- Authority
- CN
- China
- Prior art keywords
- flange
- gasket groove
- closure gasket
- bulge loop
- extruding
- 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
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
- F16L23/032—Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
-
- 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
- F16L23/026—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 by welding
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- 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
Abstract
The invention discloses a high-neck stainless steel welding neck flange. The high-neck stainless steel welding neck flange comprises a first flange plate and a second flange plate. Each of the first flange plate and the second flange plate comprises a disc-shaped flange body. A butt welding part is arranged on one end face of each flange body and comprises a first hollow frustum part, a second hollow frustum part and a through hole, wherein the angle of the first hollow frustum part ranges from 42 degrees to 48 degrees, and the angle of the second hollow frustum part ranges from 72 degrees to 78 degrees. A first sealing ring groove, a second sealing ring groove and a third sealing ring groove are formed in the other end face of the flange body on the first flange plate. A first extrusion protruding ring, a second extrusion protruding ring and a third extrusion protruding ring are arranged on the other end face of the flange body of the second flange plate. The outer end portions of the first extrusion protruding ring, the second extrusion protruding ring and the third extrusion protruding ring are covered with polyurethane sealing rubber layers. By means of the above manner, the high-neck stainless steel welding neck flange is simple and reasonable in structure, high in strength, good in welding effect and good in sealing performance.
Description
Technical field
The present invention relates to flange technical field, more particularly to a kind of hub rustless steel W.N flange.
Background technology
Flange is a kind of fastening means, and flange connection refers to be connected with each other as one group by flange, pad and bolt three
The releasable connection of combined sealing structure.Flange divides threaded(Screwed connection)Flange, welded flange and clip flange.Flange is even
Connect because its connection sealing is good, stabilized structure, intensity are high, easy to use, low cost and other advantages, be widely used in building row
Industry, urban water supply, boilers and pressure vessel, petroleum industry, supply, chemical industry, grocery trade, fire-fighting, pharmaceutical industry, power station, water
The industries such as profit, HVAC.W.N flange is the one kind in flange, and existing W.N flange could be improved.
Content of the invention
The present invention solves the technical problem of a kind of hub rustless steel W.N flange is provided, simple and reasonable, by force
Degree is high, good with pipeline welding effect, in addition also has preferable sealing property, does not result in leakage.
For solving above-mentioned technical problem, one aspect of the present invention is:A kind of hub rustless steel butt welding is provided
Flange, including:First flange disk and second flange disk, the first flange disk and second flange disk all include method in the form of annular discs
Blue body, is provided with butt welding portion on the end face of the flange body, the butt welding portion includes to weld with flange body end face
The first fixing hollow prismoid section and the second hollow prismoid section being arranged on the first hollow prismoid section outer face, the flange sheet
A through hole, the outside of the first hollow prismoid section is formed between body, the first hollow prismoid section and the second hollow prismoid section
Angle between face and horizontal plane is 42 ~ 48 degree, and the angle between the lateral surface of the second hollow prismoid section and horizontal plane is
72 ~ 78 degree, there is on the outer face of the second open circles frustum a welding slot;
First closure gasket groove, second close is from inside to outside disposed with the other end of the flange body of the first flange disk
Seal ring groove and the 3rd closure gasket groove, the cross section of first closure gasket groove, the second closure gasket groove and the 3rd closure gasket groove is in all
Circular arc, be from inside to outside disposed with the other end of the flange body of the second flange disk the first extruding bulge loop,
Two extruding bulge loops and the 3rd extruding bulge loop, the section of the first extruding bulge loop, the second extruding bulge loop and the 3rd extruding bulge loop is divided
It is not adapted with the first closure gasket groove, the second closure gasket groove and the 3rd closure gasket groove, the first extruding bulge loop, the second extruding are convex
Polyurethane seal rubber layer is all covered with the outer end of ring and the 3rd extruding bulge loop.
In a preferred embodiment of the present invention, the thickness of the polyurethane seal rubber layer is 1 ~ 1.5 millimeter.
In a preferred embodiment of the present invention, the thickness of the polyurethane seal rubber layer is 1.2 millimeters.
The invention has the beneficial effects as follows:Hub rustless steel W.N flange of the present invention, simple and reasonable, intensity height, with pipe
Road welding effect is good, in addition also has preferable sealing property, does not result in leakage.
Description of the drawings
For the technical scheme being illustrated more clearly that in the embodiment of the present invention, below will be to making needed for embodiment description
Accompanying drawing is briefly described, it should be apparent that, drawings in the following description are only some embodiments of the present invention, for
For those of ordinary skill in the art, on the premise of not paying creative work, other can also be obtained according to these accompanying drawings
Accompanying drawing, wherein:
Fig. 1 is the structural representation of one preferred embodiment of hub rustless steel W.N flange of the present invention.
In accompanying drawing, the labelling of each part is as follows:1st, flange body, the 2, first hollow prismoid section, the 3, second hollow prismoid section,
4th, through hole, 5, welding slot, the 6, first closure gasket groove, the 7, second closure gasket groove, the 8, the 3rd closure gasket groove, 9, first extruding convex
Ring, the 10, second extruding bulge loop, the 11, the 3rd extruding bulge loop.
Specific embodiment
Technical scheme in the embodiment of the present invention will be clearly and completely described below, it is clear that described enforcement
Example is only a part of embodiment of the present invention, rather than whole embodiments.Based on the embodiment in the present invention, this area is common
All other embodiment that technical staff is obtained under the premise of creative work is not made, belongs to the model of present invention protection
Enclose.
Fig. 1 is referred to, the embodiment of the present invention includes:
A kind of hub rustless steel W.N flange, including:First flange disk and second flange disk, the first flange disk and the second method
Blue disk all includes flange body 1 in the form of annular discs, is provided with butt welding portion, the butt welding portion bag on the end face of the flange body
For including the first hollow prismoid section 2 being welded and fixed with flange body end face and being arranged on the first hollow prismoid section outer face
Two hollow prismoid section 3, form a through hole 4 between the flange body, the first hollow prismoid section and the second hollow prismoid section,
Angle between the lateral surface of the first hollow prismoid section and horizontal plane is 42 ~ 48 degree, outside the second hollow prismoid section
Angle between side and horizontal plane is 72 ~ 78 degree, and said structure causes flange to have higher intensity.
There is on the outer face of the second open circles frustum a welding slot 5, be easy to pipeline insertion welding, weld matter
Amount is high.
From inside to outside be disposed with the other end of the flange body of the first flange disk the first closure gasket groove 6,
Second closure gasket groove 7 and the 3rd closure gasket groove 8, the horizontal stroke of first closure gasket groove, the second closure gasket groove and the 3rd closure gasket groove
Section is from inside to outside disposed with the first extruding all in circular arc on the other end of the flange body of the second flange disk
Bulge loop 9, second extrudes bulge loop 10 and the 3rd extruding bulge loop 11, the first extruding bulge loop, the second extruding bulge loop and the 3rd extruding
The section of bulge loop is adapted with the first closure gasket groove, the second closure gasket groove and the 3rd closure gasket groove respectively, and first extruding is convex
Polyurethane seal rubber layer is all covered with the outer end of ring, the second extruding bulge loop and the 3rd extruding bulge loop.
Above-mentioned flange is when using, and the first extruding bulge loop 9, second extrudes bulge loop 10 and the 3rd extruding bulge loop 11 is pressed respectively
Tightly in the first closure gasket groove 6, the second closure gasket groove 7 and the 3rd closure gasket groove 8, with preferable sealing property, do not result in
Leakage.
The thickness of the polyurethane seal rubber layer is 1 ~ 1.5 millimeter, it is preferred that the thickness of the polyurethane seal rubber layer
Spend for 1.2 millimeters.
The invention has the beneficial effects as follows:Hub rustless steel W.N flange of the present invention, simple and reasonable, intensity height, with pipe
Road welding effect is good, in addition also has preferable sealing property, does not result in leakage.
Embodiments of the invention are the foregoing is only, the scope of the claims of the present invention is not thereby limited, every using this
Equivalent structure or equivalent flow conversion that bright description is made, or directly or indirectly it is used in other related technology necks
Domain, is included within the scope of the present invention.
Claims (3)
1. a kind of hub rustless steel W.N flange, it is characterised in that include:First flange disk and second flange disk, described first
Ring flange and second flange disk all include flange body in the form of annular discs, are provided with butt welding on the end face of the flange body
Portion, the butt welding portion is included the first hollow prismoid section being welded and fixed with flange body end face and is arranged on the first hollow frustum
The second hollow prismoid section on portion outer face, shape between the flange body, the first hollow prismoid section and the second hollow prismoid section
Become a through hole, the angle between the lateral surface of the first hollow prismoid section and horizontal plane is 42 ~ 48 degree, described second is empty
Angle between the lateral surface of heart prismoid section and horizontal plane is 72 ~ 78 degree, has on the outer face of the second open circles frustum
One welding slot;
First closure gasket groove, second close is from inside to outside disposed with the other end of the flange body of the first flange disk
Seal ring groove and the 3rd closure gasket groove, the cross section of first closure gasket groove, the second closure gasket groove and the 3rd closure gasket groove is in all
Circular arc, be from inside to outside disposed with the other end of the flange body of the second flange disk the first extruding bulge loop,
Two extruding bulge loops and the 3rd extruding bulge loop, the section of the first extruding bulge loop, the second extruding bulge loop and the 3rd extruding bulge loop is divided
It is not adapted with the first closure gasket groove, the second closure gasket groove and the 3rd closure gasket groove, the first extruding bulge loop, the second extruding are convex
Polyurethane seal rubber layer is all covered with the outer end of ring and the 3rd extruding bulge loop.
2. hub rustless steel W.N flange according to claim 1, it is characterised in that the polyurethane seal rubber layer
Thickness is 1 ~ 1.5 millimeter.
3. hub rustless steel W.N flange according to claim 1, it is characterised in that the polyurethane seal rubber layer
Thickness is 1.2 millimeters.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610751124.2A CN106439310A (en) | 2016-08-30 | 2016-08-30 | High-neck stainless steel welding neck flange |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CN201610751124.2A CN106439310A (en) | 2016-08-30 | 2016-08-30 | High-neck stainless steel welding neck flange |
Publications (1)
Publication Number | Publication Date |
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CN106439310A true CN106439310A (en) | 2017-02-22 |
Family
ID=58182392
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN201610751124.2A Pending CN106439310A (en) | 2016-08-30 | 2016-08-30 | High-neck stainless steel welding neck flange |
Country Status (1)
Country | Link |
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CN (1) | CN106439310A (en) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108980066A (en) * | 2018-07-03 | 2018-12-11 | 浙江融乐环境科技有限公司 | A kind of antiseepage leaky oil-immersed pump |
CN109442110A (en) * | 2018-11-02 | 2019-03-08 | 山东科技大学 | A kind of device and its electrolyte filling method reducing lotion pipeline resistance |
CN113374958A (en) * | 2021-06-04 | 2021-09-10 | 江阴润方机械制造有限公司 | High-temperature-resistant vacuum flange and processing technology thereof |
CN114542424A (en) * | 2020-11-25 | 2022-05-27 | 安徽威灵汽车部件有限公司 | Pipeline sealing structure, compressor, air conditioning equipment and vehicle |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN203036130U (en) * | 2012-11-16 | 2013-07-03 | 湖州德翔环境科技有限公司 | Rubber lining flange sealing structure |
CN103775764A (en) * | 2012-10-22 | 2014-05-07 | 江苏精业法兰管件有限公司 | Flange |
CN204512725U (en) * | 2014-12-29 | 2015-07-29 | 常州市常武欣摄石化配件有限公司 | Resistant to hydrogen steel special flange |
CN204785172U (en) * | 2015-06-25 | 2015-11-18 | 东台市溱标不锈钢有限公司 | It is blue to take flat welding method of neck |
CN205479845U (en) * | 2016-01-12 | 2016-08-17 | 无锡市法兰锻造有限公司 | Low -temperature steel welding neck flange |
CN206018079U (en) * | 2016-08-30 | 2017-03-15 | 无锡神意环件法兰有限公司 | Hub stainless steel W.N flange |
-
2016
- 2016-08-30 CN CN201610751124.2A patent/CN106439310A/en active Pending
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN103775764A (en) * | 2012-10-22 | 2014-05-07 | 江苏精业法兰管件有限公司 | Flange |
CN203036130U (en) * | 2012-11-16 | 2013-07-03 | 湖州德翔环境科技有限公司 | Rubber lining flange sealing structure |
CN204512725U (en) * | 2014-12-29 | 2015-07-29 | 常州市常武欣摄石化配件有限公司 | Resistant to hydrogen steel special flange |
CN204785172U (en) * | 2015-06-25 | 2015-11-18 | 东台市溱标不锈钢有限公司 | It is blue to take flat welding method of neck |
CN205479845U (en) * | 2016-01-12 | 2016-08-17 | 无锡市法兰锻造有限公司 | Low -temperature steel welding neck flange |
CN206018079U (en) * | 2016-08-30 | 2017-03-15 | 无锡神意环件法兰有限公司 | Hub stainless steel W.N flange |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN108980066A (en) * | 2018-07-03 | 2018-12-11 | 浙江融乐环境科技有限公司 | A kind of antiseepage leaky oil-immersed pump |
CN109442110A (en) * | 2018-11-02 | 2019-03-08 | 山东科技大学 | A kind of device and its electrolyte filling method reducing lotion pipeline resistance |
CN114542424A (en) * | 2020-11-25 | 2022-05-27 | 安徽威灵汽车部件有限公司 | Pipeline sealing structure, compressor, air conditioning equipment and vehicle |
CN113374958A (en) * | 2021-06-04 | 2021-09-10 | 江阴润方机械制造有限公司 | High-temperature-resistant vacuum flange and processing technology thereof |
CN113374958B (en) * | 2021-06-04 | 2024-03-08 | 江阴润方机械制造有限公司 | High-temperature-resistant vacuum flange and processing technology thereof |
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Legal Events
Date | Code | Title | Description |
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C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20170222 |
|
WD01 | Invention patent application deemed withdrawn after publication |