CN204114174U - A kind of high temperature pressure self-regualting type bidirectional metallic seal butterfly valve - Google Patents
A kind of high temperature pressure self-regualting type bidirectional metallic seal butterfly valve Download PDFInfo
- Publication number
- CN204114174U CN204114174U CN201420526564.4U CN201420526564U CN204114174U CN 204114174 U CN204114174 U CN 204114174U CN 201420526564 U CN201420526564 U CN 201420526564U CN 204114174 U CN204114174 U CN 204114174U
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- China
- Prior art keywords
- butterfly plate
- valve body
- valve
- described valve
- butterfly
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Abstract
A kind of high temperature pressure self-regualting type of the utility model bidirectional metallic seal butterfly valve relates to two way sealed valve technology field and comprises valve body, it is characterized in that: one end of described valve body is connected with valve seat, described valve body has valve rod, be provided with butterfly plate in described valve seat, butterfly plate is upper and lower to be connected with the upper and lower two-part of valve rod through valve body respectively; Described butterfly plate is streamlined truss type parts, and is provided with knife-edge overflow section; Butterfly plate seal ring is provided with between described valve seat and butterfly plate; Described butterfly plate seal ring is self repair resilient U-shaped structure, radial floating, valve seals is provided with between described valve body and butterfly plate, described valve seals axial float, utilizes shell-shaped deformation principle to reach the effect of two way sealed, and described valve body and butterfly plate adopt stainless steel material to make, surface is through nitrogenize, chromium plating process, sealing surface is high temperature resistant, corrosion-resistant, wear-resistant, vertical, horizontal installation can be adopted, easy for installation.
Description
Technical field
The utility model relates to two way sealed valve technology field.
Background technique
Along with China's economical is built fast-developing, the enforcement of the large projects such as the national south water to north, transfering natural gas from the west to the east, raises speed in the urgent need to manufacturing industry; Metallurgy, water power, thermoelectricity, urban water supply and sewerage, farmland discharging-irrigating etc. face and expand the scale of production.Pipe network system (cooling, water delivery, oil product, steam) is because of production scale expansion, the quantity delivered of rank that it is withstand voltage, sealability, unit area improves thereupon, and valve products life cycle extends, maintenance rate reduces, the sealed valve that market demand heavy caliber bi-directional medium is exchanged, thering is provided a kind of novel pressure self-interacting type bidirectional metallic seal butterfly valve, is our technical issues that need to address.
Technical parameter is as follows:
Nominal pressure: 0.05-2.5Mpa;
Inside nominal diameter: 500-4000mm;
Applicable media: water, oil product, coal gas, steam, air etc.;
Operating temperature :-40-650 DEG C;
Seal test pressure: 1.5 times of nominal pressures;
Seal test pressure: 1.1 times of nominal pressures (two-way);
Flow resistance coefficient :≤0.15.
Model utility content
The purpose of this utility model is, provides a kind of high temperature pressure self-regualting type bidirectional metallic seal butterfly valve, by arranging the butterfly plate seal ring of self repair resilient U-shaped, utilizes shell-shaped deformation principle to reach two way sealed effect.
For solving the problems of the technologies described above, the technological scheme that the utility model is taked is: a kind of high temperature pressure self-regualting type bidirectional metallic seal butterfly valve, comprise valve body, it is characterized in that: one end of described valve body is connected with valve seat, described valve body has valve rod, be provided with butterfly plate in described valve seat, butterfly plate is upper and lower to be connected with the upper and lower two-part of valve rod through valve body respectively.
Described butterfly plate is streamlined truss type parts, and is provided with knife-edge overflow section.
Butterfly plate seal ring is provided with between described valve seat and butterfly plate.
Described butterfly plate seal ring is self repair resilient U-shaped structure, by the effect of medium, and radial floating.
Valve seals is provided with between described valve body and butterfly plate.
Described valve seals is provided with eccentric tiltedly round platform envelope surface, by the effect of medium, and axial float.
Described valve body and butterfly plate adopt stainless steel material to make, and surface is through nitrogenize, chromium plating process.
Compared with prior art, the beneficial effects of the utility model are:
1, the valve seals of the utility model product adopts eccentric tiltedly round platform envelope surface, and can axial float; Butterfly plate seal ring adopts self repair resilient U-shaped structure, utilizes the active force of medium, radial floating; Shell-shaped deformation principle is utilized to reach the effect of two way sealed.
2, the valve body of the utility model product and butterfly plate adopt the process such as malcomising, chromium plating, and sealing surface is high temperature resistant, corrosion-resistant, wear-resistant.
3, the valve of the utility model product can adopt vertical, horizontal installation, easy for installation.
Accompanying drawing explanation
Fig. 1 is the sectional structure schematic diagram of the utility model device embodiment;
Fig. 2 is that the A-A of Fig. 1 analyses and observe structure for amplifying schematic diagram;
Fig. 3 is the I place structure for amplifying schematic diagram of Fig. 2;
Fig. 4 is that the I place structure for amplifying MEDIA FLOW of Fig. 2 is to schematic diagram;
In the drawings, 1, valve body; 2, valve seat; 3, butterfly plate; 4, butterfly plate seal ring; 5, positioning ring; 6, O shape circle; 7, valve rod; 8, valve seals.
Embodiment
Composition graphs 1, Fig. 2, Fig. 3, Fig. 4, for the example structure schematic diagram of a kind of high temperature pressure self-regualting type of the utility model bidirectional metallic seal butterfly valve, comprise valve body, one end of described valve body 1 is connected with valve seat 2, described valve body 1 has valve rod 7, be provided with butterfly plate 3 in described valve seat 2, butterfly plate 3 is upper and lower to be connected with valve rod about 7 two-part through valve body 1 respectively; Described butterfly plate 3 is streamlined truss type parts, and is provided with knife-edge overflow section; Butterfly plate seal ring 4 is provided with between described valve seat 2 and butterfly plate 3; Described butterfly plate seal ring 4 is self repair resilient U-shaped structure, by the effect of medium, and radial floating; Valve seals 8 is provided with between described valve body 1 and butterfly plate 3; Described valve seals 8 is provided with eccentric tiltedly round platform envelope surface, by the effect of medium, and axial float; Described valve body 1 adopts surface of stainless steel through nitrogenize, chromium plating process with butterfly plate seal ring 4.
Claims (1)
1. a high temperature pressure self-regualting type bidirectional metallic seal butterfly valve, comprise valve body (1), it is characterized in that: one end of described valve body (1) is connected with valve seat (2), described valve body (1) has valve rod (7), butterfly plate (3) is provided with in described valve seat (2), on butterfly plate (3), lower respectively with the valve rod (7) through valve body (1) up and down two-part be connected, described butterfly plate (3) is streamlined truss type parts, and be provided with knife-edge overflow section, butterfly plate seal ring is provided with between described valve seat (2) and butterfly plate (3), described butterfly plate seal ring (4) is self repair resilient U-shaped structure, by the effect of medium, radial floating, valve seals (8) is provided with between described valve body (1) and butterfly plate (3), described valve seals (8) is provided with eccentric tiltedly round platform envelope surface, by the effect of medium, axial float.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526564.4U CN204114174U (en) | 2014-09-13 | 2014-09-13 | A kind of high temperature pressure self-regualting type bidirectional metallic seal butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420526564.4U CN204114174U (en) | 2014-09-13 | 2014-09-13 | A kind of high temperature pressure self-regualting type bidirectional metallic seal butterfly valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204114174U true CN204114174U (en) | 2015-01-21 |
Family
ID=52331486
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420526564.4U Expired - Fee Related CN204114174U (en) | 2014-09-13 | 2014-09-13 | A kind of high temperature pressure self-regualting type bidirectional metallic seal butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204114174U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090539A (en) * | 2015-09-17 | 2015-11-25 | 上海沪东造船阀门有限公司 | Two-way-sealed double-eccentric butterfly valve |
| CN105909859A (en) * | 2016-06-13 | 2016-08-31 | 龙工（上海）精工液压有限公司 | Foot valve ejector column |
| CN114087381A (en) * | 2021-12-02 | 2022-02-25 | 中国船舶重工集团公司第七0三研究所 | Novel truss-like butterfly plate structure of valve for limited space of boats and ships |
-
2014
- 2014-09-13 CN CN201420526564.4U patent/CN204114174U/en not_active Expired - Fee Related
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105090539A (en) * | 2015-09-17 | 2015-11-25 | 上海沪东造船阀门有限公司 | Two-way-sealed double-eccentric butterfly valve |
| CN105909859A (en) * | 2016-06-13 | 2016-08-31 | 龙工（上海）精工液压有限公司 | Foot valve ejector column |
| CN114087381A (en) * | 2021-12-02 | 2022-02-25 | 中国船舶重工集团公司第七0三研究所 | Novel truss-like butterfly plate structure of valve for limited space of boats and ships |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20170424 Address after: Yongjia Dong'ou County of Wenzhou City, Zhejiang province 325100 Street Ann Village Patentee after: Dazhong valve group energy Limited by Share Ltd Address before: Dong'ou Industrial Park, Oubei Town, Yongjia County, Wenzhou City, Zhejiang province 325100 Patentee before: Dazhong Valve Group Co., Ltd. |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20150121 Termination date: 20200913 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |