CN1300494C - 单偏心硬密封蝶阀 - Google Patents
单偏心硬密封蝶阀 Download PDFInfo
- Publication number
- CN1300494C CN1300494C CNB2004100176325A CN200410017632A CN1300494C CN 1300494 C CN1300494 C CN 1300494C CN B2004100176325 A CNB2004100176325 A CN B2004100176325A CN 200410017632 A CN200410017632 A CN 200410017632A CN 1300494 C CN1300494 C CN 1300494C
- Authority
- CN
- China
- Prior art keywords
- valve
- butterfly
- valve body
- seal
- circular arc
- 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
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 22
- 230000007704 transition Effects 0.000 claims abstract description 5
- 239000002131 composite material Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 4
- 239000002184 metal Substances 0.000 claims description 3
- 229910052751 metal Inorganic materials 0.000 claims description 3
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 claims description 2
- 239000000956 alloy Substances 0.000 claims description 2
- 229910045601 alloy Inorganic materials 0.000 claims description 2
- 239000010425 asbestos Substances 0.000 claims description 2
- 239000000919 ceramic Substances 0.000 claims description 2
- 238000009408 flooring Methods 0.000 claims description 2
- 239000010439 graphite Substances 0.000 claims description 2
- 229910002804 graphite Inorganic materials 0.000 claims description 2
- 229910052895 riebeckite Inorganic materials 0.000 claims description 2
- 239000010454 slate Substances 0.000 claims description 2
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 2
- 230000002457 bidirectional effect Effects 0.000 abstract 2
- 238000000034 method Methods 0.000 description 6
- 238000012856 packing Methods 0.000 description 3
- 239000013013 elastic material Substances 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000000806 elastomer Substances 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 210000004907 gland Anatomy 0.000 description 1
- 238000009499 grossing Methods 0.000 description 1
- 125000006850 spacer group Chemical group 0.000 description 1
Images
Landscapes
- Lift Valve (AREA)
Abstract
Description
Claims (4)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100176325A CN1300494C (zh) | 2004-04-09 | 2004-04-09 | 单偏心硬密封蝶阀 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CNB2004100176325A CN1300494C (zh) | 2004-04-09 | 2004-04-09 | 单偏心硬密封蝶阀 |
Publications (2)
Publication Number | Publication Date |
---|---|
CN1563754A CN1563754A (zh) | 2005-01-12 |
CN1300494C true CN1300494C (zh) | 2007-02-14 |
Family
ID=34479071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNB2004100176325A Expired - Fee Related CN1300494C (zh) | 2004-04-09 | 2004-04-09 | 单偏心硬密封蝶阀 |
Country Status (1)
Country | Link |
---|---|
CN (1) | CN1300494C (zh) |
Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4770393A (en) * | 1987-01-02 | 1988-09-13 | Aktiebolaget Somas Ventiler | Butterfly valve |
CN2175859Y (zh) * | 1993-10-15 | 1994-08-31 | 贺友宗 | 一种金属密封蝶阀 |
CN2451831Y (zh) * | 2000-11-03 | 2001-10-03 | 黄云平 | 金属密封蝶阀 |
CN2697398Y (zh) * | 2004-04-09 | 2005-05-04 | 浙江大学 | 单偏心硬密封蝶阀 |
-
2004
- 2004-04-09 CN CNB2004100176325A patent/CN1300494C/zh not_active Expired - Fee Related
Patent Citations (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4770393A (en) * | 1987-01-02 | 1988-09-13 | Aktiebolaget Somas Ventiler | Butterfly valve |
CN2175859Y (zh) * | 1993-10-15 | 1994-08-31 | 贺友宗 | 一种金属密封蝶阀 |
CN2451831Y (zh) * | 2000-11-03 | 2001-10-03 | 黄云平 | 金属密封蝶阀 |
CN2697398Y (zh) * | 2004-04-09 | 2005-05-04 | 浙江大学 | 单偏心硬密封蝶阀 |
Also Published As
Publication number | Publication date |
---|---|
CN1563754A (zh) | 2005-01-12 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: Zhejiang Zhenghe Shipbuilding Co., Ltd. Assignor: Zhejiang University Contract record no.: 2010330001056 Denomination of invention: Single eccentric hard sealing butterfly valve Granted publication date: 20070214 License type: Exclusive License Open date: 20050112 Record date: 20100602 |
|
C17 | Cessation of patent right | ||
CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20070214 Termination date: 20140409 |