JPH0135229B2 - - Google Patents
Info
- Publication number
- JPH0135229B2 JPH0135229B2 JP56065291A JP6529181A JPH0135229B2 JP H0135229 B2 JPH0135229 B2 JP H0135229B2 JP 56065291 A JP56065291 A JP 56065291A JP 6529181 A JP6529181 A JP 6529181A JP H0135229 B2 JPH0135229 B2 JP H0135229B2
- Authority
- JP
- Japan
- Prior art keywords
- valve seat
- seat member
- annular portion
- valve
- axial
- 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
Links
- 238000007789 sealing Methods 0.000 claims description 21
- 230000004044 response Effects 0.000 claims description 9
- 229920000642 polymer Polymers 0.000 claims description 7
- 239000004215 Carbon black (E152) Substances 0.000 claims description 6
- 229930195733 hydrocarbon Natural products 0.000 claims description 6
- 150000002430 hydrocarbons Chemical class 0.000 claims description 6
- 230000002093 peripheral effect Effects 0.000 claims description 4
- 239000003365 glass fiber Substances 0.000 claims 1
- 239000012530 fluid Substances 0.000 description 12
- 239000000463 material Substances 0.000 description 12
- 230000009471 action Effects 0.000 description 8
- 239000004809 Teflon Substances 0.000 description 5
- 229920006362 Teflon® Polymers 0.000 description 5
- 238000003754 machining Methods 0.000 description 4
- 230000008901 benefit Effects 0.000 description 2
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000004048 modification Effects 0.000 description 2
- 238000012986 modification Methods 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 239000004705 High-molecular-weight polyethylene Substances 0.000 description 1
- 241000255777 Lepidoptera Species 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000012993 chemical processing Methods 0.000 description 1
- 239000012141 concentrate Substances 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000003628 erosive effect Effects 0.000 description 1
- 239000011152 fibreglass Substances 0.000 description 1
- XUCNUKMRBVNAPB-UHFFFAOYSA-N fluoroethene Chemical group FC=C XUCNUKMRBVNAPB-UHFFFAOYSA-N 0.000 description 1
- 230000013011 mating Effects 0.000 description 1
- 239000007769 metal material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000036316 preload Effects 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 229920003051 synthetic elastomer Polymers 0.000 description 1
- 239000005061 synthetic rubber Substances 0.000 description 1
- BFKJFAAPBSQJPD-UHFFFAOYSA-N tetrafluoroethene Chemical compound FC(F)=C(F)F BFKJFAAPBSQJPD-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Lift Valve (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6529181A JPS57186671A (en) | 1981-05-01 | 1981-05-01 | Valve seat for butterfly valve and valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP6529181A JPS57186671A (en) | 1981-05-01 | 1981-05-01 | Valve seat for butterfly valve and valve |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS57186671A JPS57186671A (en) | 1982-11-17 |
JPH0135229B2 true JPH0135229B2 (zh) | 1989-07-24 |
Family
ID=13282672
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP6529181A Granted JPS57186671A (en) | 1981-05-01 | 1981-05-01 | Valve seat for butterfly valve and valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS57186671A (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP6857491B2 (ja) * | 2016-02-11 | 2021-04-14 | Ckd株式会社 | 真空圧力制御装置 |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5323930U (zh) * | 1976-08-07 | 1978-02-28 |
-
1981
- 1981-05-01 JP JP6529181A patent/JPS57186671A/ja active Granted
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5323930U (zh) * | 1976-08-07 | 1978-02-28 |
Also Published As
Publication number | Publication date |
---|---|
JPS57186671A (en) | 1982-11-17 |
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