CN104455445A - Metal bellow movable seal assembly for valve - Google Patents
Metal bellow movable seal assembly for valve Download PDFInfo
- Publication number
- CN104455445A CN104455445A CN201410731238.1A CN201410731238A CN104455445A CN 104455445 A CN104455445 A CN 104455445A CN 201410731238 A CN201410731238 A CN 201410731238A CN 104455445 A CN104455445 A CN 104455445A
- Authority
- CN
- China
- Prior art keywords
- metal bellows
- valve
- dynamic seal
- combination part
- seal combination
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Diaphragms And Bellows (AREA)
Abstract
The invention relates to a metal bellow movable seal assembly for a valve. The seal assembly comprises a metal bellow, a flange connecting fitting and a cover connecting fitting. The metal bellow movable seal assembly for valve can satisfy the sealing requirements of valves under the conditions of high temperature, low temperature and high pressure. The seal assembly has the advantages of weariness resistance, radiation resistance, oxidation resistance and corrosion resistance.
Description
Technical field
The design relates to a kind of valve metal bellows Dynamic Seal combination part, belongs to valve technology field.
Background technique
Under the condition that high temperature, low temperature, high pressure etc. are severe, general sealing means can not meet valve requirement under such adverse conditions, needs special sealing means, is suitable for the operating conditions of this harshness.
Summary of the invention
According to above-mentioned requirements, the object of the design is to provide a kind of valve metal bellows Dynamic Seal combination part, to meet the seal request at high temperature, low temperature, condition of high voltage lower valve, this sealing configuration, antifatigue, radioresistance, anti-oxidant, corrosion-resistant.
For achieving the above object, the design is realized by following technological means:
A kind of valve metal bellows Dynamic Seal combination part, is characterized in that: comprise metal bellows, flange connector, lid attachments.
Further:
Described a kind of valve metal bellows Dynamic Seal combination part, is characterized in that: the ripple of described metal bellows is U-shaped structure.
Described a kind of valve metal bellows Dynamic Seal combination part, is characterized in that: the material of described a kind of valve metal bellows Dynamic Seal combination part is GH4169 alloy.
Described a kind of valve metal bellows Dynamic Seal combination part, is characterized in that: described a kind of valve metal bellows Dynamic Seal combination part Applicable temperature is-252-700 °.
Described a kind of valve metal bellows Dynamic Seal combination part, is characterized in that: it is 20-30MPa that described a kind of valve metal bellows Dynamic Seal combination part is suitable for pressure.
Described a kind of valve metal bellows Dynamic Seal combination part, is characterized in that: described lid attachments is connected with the valve head of movement, and described flange connector is connected with fixing valve casing.
The invention has the beneficial effects as follows: a kind of valve metal bellows Dynamic Seal combination part of the design, can meet the seal request at high temperature, low temperature, condition of high voltage lower valve, this sealing configuration, antifatigue, radioresistance, anti-oxidant, corrosion-resistant.
Accompanying drawing explanation
Fig. 1 is the design's structural representation, and Fig. 2 is the ripple struction schematic diagram of metal bellows.
Embodiment
Below in conjunction with Figure of description, design is further described.
A kind of valve metal bellows Dynamic Seal combination part, is characterized in that: comprise metal bellows 2, flange connector 1, lid attachments 3.
Further:
Described a kind of valve metal bellows Dynamic Seal combination part, is characterized in that: the ripple of described metal bellows 2 is U-shaped structure.
Described a kind of valve metal bellows Dynamic Seal combination part, is characterized in that: the material of described a kind of valve metal bellows Dynamic Seal combination part is GH4169 alloy.
Described a kind of valve metal bellows Dynamic Seal combination part, is characterized in that: described a kind of valve metal bellows Dynamic Seal combination part Applicable temperature is-252-700 °.
Described a kind of valve metal bellows Dynamic Seal combination part, is characterized in that: it is 20-30MPa that described a kind of valve metal bellows Dynamic Seal combination part is suitable for pressure.
Described a kind of valve metal bellows Dynamic Seal combination part, is characterized in that: described lid attachments 3 is connected with the valve head of movement, and described flange connector 1 is connected with fixing valve casing.
Lid attachments 3 is connected with the valve head of movement, and flange connector 1 is connected with fixing valve casing, forms the sliding pair moved axially; Carry out Tension and Compression when moving together with flap, and then reach sealing.
More than show and describe the basic principle of the design, major character and advantage.The technician of the industry should understand; the design is not restricted to the described embodiments; the principle that the design is just described described in above-described embodiment and specification; under the prerequisite not departing from the design's spirit and scope; the design also has various changes and modifications, and these changes and improvements all fall within the scope of claimed the design.The claimed scope of the design is defined by appending claims and equivalent thereof.
Claims (6)
1. a valve metal bellows Dynamic Seal combination part, is characterized in that: comprise metal bellows, flange connector, lid attachments.
2. a kind of valve metal bellows Dynamic Seal combination part as claimed in claim 1, is characterized in that: the ripple of described metal bellows is U-shaped structure.
3. a kind of valve metal bellows Dynamic Seal combination part as claimed in claim 1, is characterized in that: the material of described a kind of valve metal bellows Dynamic Seal combination part is GH4169 alloy.
4. a kind of valve metal bellows Dynamic Seal combination part as claimed in claim 1, is characterized in that: described a kind of valve metal bellows Dynamic Seal combination part Applicable temperature is-252-700 °.
5. a kind of valve metal bellows Dynamic Seal combination part as claimed in claim 1, is characterized in that: it is 20-30MPa that described a kind of valve metal bellows Dynamic Seal combination part is suitable for pressure.
6. a kind of valve metal bellows Dynamic Seal combination part as claimed in claim 1, is characterized in that: described lid attachments is connected with the valve head of movement, and described flange connector is connected with fixing valve casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410731238.1A CN104455445A (en) | 2014-12-05 | 2014-12-05 | Metal bellow movable seal assembly for valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410731238.1A CN104455445A (en) | 2014-12-05 | 2014-12-05 | Metal bellow movable seal assembly for valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN104455445A true CN104455445A (en) | 2015-03-25 |
Family
ID=52901970
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410731238.1A Pending CN104455445A (en) | 2014-12-05 | 2014-12-05 | Metal bellow movable seal assembly for valve |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104455445A (en) |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2258575A1 (en) * | 1974-01-17 | 1975-08-18 | Westinghouse Electric Corp | |
| BR8300411A (en) * | 1982-01-28 | 1983-11-01 | Chesterton A W Co | VALVE SEALING |
| CN2733112Y (en) * | 2004-06-07 | 2005-10-12 | 田玉春 | Internal flow hydraulic-formed bellows sealing arrangement |
| CN2733113Y (en) * | 2004-06-07 | 2005-10-12 | 田玉春 | External flow hydraulic-formed bellows sealing arrangement |
| CN101769379A (en) * | 2010-03-23 | 2010-07-07 | 南京林业大学 | Active type adaptive control mechanical sealing device and control method |
| CN103672191A (en) * | 2013-11-25 | 2014-03-26 | 江苏星河阀门有限公司 | Welding structure of metal bellow assembly for valve |
-
2014
- 2014-12-05 CN CN201410731238.1A patent/CN104455445A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2258575A1 (en) * | 1974-01-17 | 1975-08-18 | Westinghouse Electric Corp | |
| BR8300411A (en) * | 1982-01-28 | 1983-11-01 | Chesterton A W Co | VALVE SEALING |
| CN2733112Y (en) * | 2004-06-07 | 2005-10-12 | 田玉春 | Internal flow hydraulic-formed bellows sealing arrangement |
| CN2733113Y (en) * | 2004-06-07 | 2005-10-12 | 田玉春 | External flow hydraulic-formed bellows sealing arrangement |
| CN101769379A (en) * | 2010-03-23 | 2010-07-07 | 南京林业大学 | Active type adaptive control mechanical sealing device and control method |
| CN103672191A (en) * | 2013-11-25 | 2014-03-26 | 江苏星河阀门有限公司 | Welding structure of metal bellow assembly for valve |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20150325 |
|
| RJ01 | Rejection of invention patent application after publication |