CN201884648U - Metal wound gasket - Google Patents
Metal wound gasket Download PDFInfo
- Publication number
- CN201884648U CN201884648U CN201020591281XU CN201020591281U CN201884648U CN 201884648 U CN201884648 U CN 201884648U CN 201020591281X U CN201020591281X U CN 201020591281XU CN 201020591281 U CN201020591281 U CN 201020591281U CN 201884648 U CN201884648 U CN 201884648U
- Authority
- CN
- China
- Prior art keywords
- metal
- straps
- nonmetal
- gasket
- wound gasket
- 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.)
- Expired - Fee Related
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- 239000002184 metal Substances 0.000 title claims abstract description 27
- 229910052751 metal Inorganic materials 0.000 title claims abstract description 27
- 229910052755 nonmetal Inorganic materials 0.000 claims abstract description 19
- 230000015572 biosynthetic process Effects 0.000 claims description 2
- 238000005755 formation reaction Methods 0.000 claims description 2
- 238000007789 sealing Methods 0.000 abstract description 11
- 238000005260 corrosion Methods 0.000 abstract description 2
- 238000004804 winding Methods 0.000 abstract 1
- 150000002843 nonmetals Chemical class 0.000 description 12
- PXHVJJICTQNCMI-UHFFFAOYSA-N nickel Chemical compound data:image/svg+xml;base64,PD94bWwgdmVyc2lvbj0nMS4wJyBlbmNvZGluZz0naXNvLTg4NTktMSc/Pgo8c3ZnIHZlcnNpb249JzEuMScgYmFzZVByb2ZpbGU9J2Z1bGwnCiAgICAgICAgICAgICAgeG1sbnM9J2h0dHA6Ly93d3cudzMub3JnLzIwMDAvc3ZnJwogICAgICAgICAgICAgICAgICAgICAgeG1sbnM6cmRraXQ9J2h0dHA6Ly93d3cucmRraXQub3JnL3htbCcKICAgICAgICAgICAgICAgICAgICAgIHhtbG5zOnhsaW5rPSdodHRwOi8vd3d3LnczLm9yZy8xOTk5L3hsaW5rJwogICAgICAgICAgICAgICAgICB4bWw6c3BhY2U9J3ByZXNlcnZlJwp3aWR0aD0nMzAwcHgnIGhlaWdodD0nMzAwcHgnIHZpZXdCb3g9JzAgMCAzMDAgMzAwJz4KPCEtLSBFTkQgT0YgSEVBREVSIC0tPgo8cmVjdCBzdHlsZT0nb3BhY2l0eToxLjA7ZmlsbDojRkZGRkZGO3N0cm9rZTpub25lJyB3aWR0aD0nMzAwLjAnIGhlaWdodD0nMzAwLjAnIHg9JzAuMCcgeT0nMC4wJz4gPC9yZWN0Pgo8dGV4dCB4PScxMzguMCcgeT0nMTcwLjAnIGNsYXNzPSdhdG9tLTAnIHN0eWxlPSdmb250LXNpemU6NDBweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjt0ZXh0LWFuY2hvcjpzdGFydDtmaWxsOiMzQjQxNDMnID5OPC90ZXh0Pgo8dGV4dCB4PScxNjUuNicgeT0nMTcwLjAnIGNsYXNzPSdhdG9tLTAnIHN0eWxlPSdmb250LXNpemU6NDBweDtmb250LXN0eWxlOm5vcm1hbDtmb250LXdlaWdodDpub3JtYWw7ZmlsbC1vcGFjaXR5OjE7c3Ryb2tlOm5vbmU7Zm9udC1mYW1pbHk6c2Fucy1zZXJpZjt0ZXh0LWFuY2hvcjpzdGFydDtmaWxsOiMzQjQxNDMnID5pPC90ZXh0Pgo8L3N2Zz4K data:image/svg+xml;base64,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 [Ni] PXHVJJICTQNCMI-UHFFFAOYSA-N 0.000 description 4
- 229910001220 stainless steel Inorganic materials 0.000 description 4
- 239000010425 asbestos Substances 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 229910052895 riebeckite Inorganic materials 0.000 description 3
- 239000010935 stainless steel Substances 0.000 description 3
- 229910000975 Carbon steel Inorganic materials 0.000 description 2
- 239000004809 Teflon Substances 0.000 description 2
- OKTJSMMVPCPJKN-UHFFFAOYSA-N carbon Chemical compound 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- 238000003466 welding Methods 0.000 description 1
Abstract
The utility model discloses a metal wound gasket, which relates to a seal gasket which is an annular member which comprises metal straps and nonmetal straps, wherein the metal straps and the nonmetal straps are alternately arranged. The metal wound gasket is formed by mutually and alternately winding the metal straps and the nonmetal straps and is molded through pressure, therefore, the metal wound gasket not only has enough strength but also has good corrosion resistance and is not damaged in certain extreme media, and simultaneously, high expansion and contraction are not generated. The gasket has high plasticity and can adapt to the unevenness of a sealing surface after being compressed tightly to fill the gaps of the sealing surface so as to ensure that the metal wound gasket has good sealing property under the condition that system temperature and pressure are alternating.
Description
Technical field
The utility model relates to a kind of gasket seal, a kind of specifically high temperature resistant, high pressure and erosion-resisting spiral wound gaskets.
Background technique
At present, in the power station, aviation, petrochemical industry and valve seal field, the general pad of making by single rubber or asbestos material that adopts on the flange seal surface, because every field difference, the sealing medium difference, increasing occasion needs this kind pad to have high temperature resistant, high pressure and characteristics such as anticorrosive when causing using, and conventional pad then can't satisfy above-mentioned requirements, does not therefore have good sealing effect.
The model utility content
The purpose of this utility model is to be the deficiency that solves the problems of the technologies described above, and a kind of spiral wound gaskets is provided, and it is simple in structure, and good sealing effect also has intensity height, high temperature resistant, high pressure and characteristics such as anticorrosive.
The utility model is the deficiency that solves the problems of the technologies described above, the technological scheme that is adopted is: a kind of spiral wound gaskets, the annular component that constitutes by metal tape and nonmetal band, metal tape and nonmetal tape alternation setting, the thickness of metal tape is 0.15-0.25mm, and the thickness of nonmetal band is 0.1-0.3mm.
The material of described metal tape is any one in stainless steel, carbon steel, nickel or the titanium.
The material of described nonmetal band is any one in graphite, teflon, asbestos or the pottery.
The beneficial effects of the utility model are:
1, the utility model alternately is entwined mutually by metal tape and nonmetal band, and, therefore enough intensity is arranged not only by pressure forming, also have good corrosion resistance, in some extreme media, do not destroyed, do not produce big expansion and contraction simultaneously by medium.
2, this pad has good plasticity, can adapt to the uneven of sealing surfaces after compressing and fills up the sealing surface gap, to guarantee having excellent sealing performance under the situation of system temperature and pressure alternation.
3, owing to the nonmetal band of the adjacent one deck of layer of metal band is entwined mutually, so this pad has good compression and rebound elasticity.
4, not softening, not creep under high temperature condition; Non-sclerous under the cryogenic conditions, do not shrink.
Description of drawings
Fig. 1 is a generalized section of the present utility model.
Mark among the figure: 1, metal tape, 2, nonmetal band.
Embodiment
As shown in Figure 1, a kind of spiral wound gaskets, by the metal tape 1 of multilayer with multilayer is nonmetal is with 2 to constitute, layer of metal band 1 adjacent one deck is nonmetal alternately to be twined and the annular component of formation with 2, compress welding and be integrative-structure thereafter, the innermost layer and the outermost surface of this pad are metal tape, and wherein the thickness of metal tape 1 is 0.15-0.25mm, and nonmetal thickness with 2 is 0.1-0.3mm.
The utility model is by the metal tape of " V " shape and nonmetally be with overlapped being entwined, and both should fit tightly, level is even, and the size of this pad is wherein the number of plies of metal tape and nonmetal band and can decides according to the size of valve sealing face.
Described metal tape 1 can be selected stainless steel, carbon steel, nickel or titanium for use, preferentially selects 300 series stainless steels in stainless steel for use, for example: 304,316,321 etc.
Describedly nonmetally be with 2 can select non-metallic materials such as graphite, teflon, asbestos, pottery for use.
The utility model is applicable to the sealing of various media, for example: steam, hydrogen, rock gas, cracking gas, oil product, acid, alkali, salt solution etc.
The utility model is entwined by metal tape and the nonmetal tape alternation of pre-molding, therefore have multiple-sealed, high temperature resistant, high pressure resistant, anticorrosive, to the advantage such as the flange seal surface roughness is less demanding, can be widely used in the industries such as power station, aviation, petrochemical industry, valve.
Claims (2)
1. spiral wound gaskets, it is characterized in that: by the annular component of metal tape (1) and nonmetal band (2) formation, metal tape (1) and nonmetal band (2) are arranged alternately, and the thickness of metal tape (1) is 0.15-0.25mm, and the thickness of nonmetal band (2) is 0.1-0.3mm.
2. a kind of spiral wound gaskets according to claim 1 is characterized in that: described metal tape (1) and nonmetal band (2) be shaped as V-arrangement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020591281XU CN201884648U (en) | 2010-11-04 | 2010-11-04 | Metal wound gasket |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201020591281XU CN201884648U (en) | 2010-11-04 | 2010-11-04 | Metal wound gasket |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201884648U true CN201884648U (en) | 2011-06-29 |
Family
ID=44182189
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201020591281XU Expired - Fee Related CN201884648U (en) | 2010-11-04 | 2010-11-04 | Metal wound gasket |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201884648U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644738A (en) * | 2012-04-28 | 2012-08-22 | 南京白云化工环境监测有限公司 | Metal winding gasket |
| CN103075587A (en) * | 2013-01-17 | 2013-05-01 | 中国科学院上海应用物理研究所 | Dual-sealing flange |
| CN104620026A (en) * | 2012-07-06 | 2015-05-13 | 株式会社东芝 | Spiral gasket |
| CN107606156A (en) * | 2017-09-11 | 2018-01-19 | 丁水琴 | A kind of gasket seal of internal frame and circumferential seal |
-
2010
- 2010-11-04 CN CN201020591281XU patent/CN201884648U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102644738A (en) * | 2012-04-28 | 2012-08-22 | 南京白云化工环境监测有限公司 | Metal winding gasket |
| CN104620026A (en) * | 2012-07-06 | 2015-05-13 | 株式会社东芝 | Spiral gasket |
| CN103075587A (en) * | 2013-01-17 | 2013-05-01 | 中国科学院上海应用物理研究所 | Dual-sealing flange |
| CN107606156A (en) * | 2017-09-11 | 2018-01-19 | 丁水琴 | A kind of gasket seal of internal frame and circumferential seal |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| EXPY | Termination of patent right or utility model | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110629 Termination date: 20151104 |