JPH02119571U - - Google Patents
Info
- Publication number
- JPH02119571U JPH02119571U JP2876789U JP2876789U JPH02119571U JP H02119571 U JPH02119571 U JP H02119571U JP 2876789 U JP2876789 U JP 2876789U JP 2876789 U JP2876789 U JP 2876789U JP H02119571 U JPH02119571 U JP H02119571U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- flow path
- butterfly
- open
- valve body
- 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
- 230000001012 protector Effects 0.000 claims description 2
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
Landscapes
- Lift Valve (AREA)
Description
第1図は本願考案の第一実施例平面断面図、第
2図は同じく正面図、第3図と第4図は第二・第
三実施例の正面図、第5図は従来技術を示す平面
断面図。 1……蝶型弁、5……弁体、8……弁座、8F
……上流側弁座、15A,15B,15C……環
状の保護体。
2図は同じく正面図、第3図と第4図は第二・第
三実施例の正面図、第5図は従来技術を示す平面
断面図。 1……蝶型弁、5……弁体、8……弁座、8F
……上流側弁座、15A,15B,15C……環
状の保護体。
Claims (1)
- 弁箱内で弁体が回動して流路を開閉する蝶型弁
において、弁が全開状態における弁体外縁の上流
側弁座に対向する位置に環状の保護体を流路内に
横架したことを特徴とする蝶型弁における弁体弁
座の保護装置。
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2876789U JPH02119571U (ja) | 1989-03-14 | 1989-03-14 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2876789U JPH02119571U (ja) | 1989-03-14 | 1989-03-14 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPH02119571U true JPH02119571U (ja) | 1990-09-26 |
Family
ID=31252394
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2876789U Pending JPH02119571U (ja) | 1989-03-14 | 1989-03-14 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPH02119571U (ja) |
-
1989
- 1989-03-14 JP JP2876789U patent/JPH02119571U/ja active Pending