CN106439310A - High-neck stainless steel welding neck flange - Google Patents

High-neck stainless steel welding neck flange Download PDF

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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
Application number
CN201610751124.2A
Other languages
Chinese (zh)
Inventor
沈凡
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
WUXI SHENYI HUANJIAN FLANGE CO Ltd
Original Assignee
WUXI SHENYI HUANJIAN FLANGE CO Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by WUXI SHENYI HUANJIAN FLANGE CO Ltd filed Critical WUXI SHENYI HUANJIAN FLANGE CO Ltd
Priority to CN201610751124.2A priority Critical patent/CN106439310A/en
Publication of CN106439310A publication Critical patent/CN106439310A/en
Pending legal-status Critical Current

Links

Classifications

    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • F16L23/032Flanged joints the flanges being connected by members tensioned axially characterised by the shape or composition of the flanges
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/02Flanged joints the flanges being connected by members tensioned axially
    • F16L23/024Flanged joints the flanges being connected by members tensioned axially characterised by how the flanges are joined to, or form an extension of, the pipes
    • F16L23/026Flanged 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
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L23/00Flanged joints
    • F16L23/16Flanged joints characterised by the sealing means
    • F16L23/18Flanged 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

Hub rustless steel W.N flange
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.
CN201610751124.2A 2016-08-30 2016-08-30 High-neck stainless steel welding neck flange Pending CN106439310A (en)

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
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
CN (1) CN106439310A (en)

Cited By (4)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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

Patent Citations (6)

* Cited by examiner, † Cited by third party
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)

* Cited by examiner, † Cited by third party
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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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