JPH0413873U - - Google Patents
Info
- Publication number
- JPH0413873U JPH0413873U JP5382690U JP5382690U JPH0413873U JP H0413873 U JPH0413873 U JP H0413873U JP 5382690 U JP5382690 U JP 5382690U JP 5382690 U JP5382690 U JP 5382690U JP H0413873 U JPH0413873 U JP H0413873U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- slit
- flow path
- butterfly
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Description
図は本考案の本考案の一実施例を示すもので、
第１図はバタフライ弁の２次側から見た断面正面
図、第２図は第１図の−断面図である。
１……バタフライ弁、２……弁箱、３……弁体
、４……弁軸、５，６……櫛歯状突起、７，８…
…スリツト状流路。
The figure shows one embodiment of the present invention.
FIG. 1 is a cross-sectional front view of the butterfly valve seen from the secondary side, and FIG. 2 is a cross-sectional view taken from FIG. 1. DESCRIPTION OF SYMBOLS 1...Butterfly valve, 2...Valve box, 3...Valve body, 4...Valve stem, 5, 6...Pectine-like projection, 7,8...
...Slit-like channel.
Claims (1)
バタフライ弁において、前記弁体の開弁作動方向
と反対側の面の周縁部にそれぞれ櫛歯状突起を形
成し、該櫛歯状突起間にスリツト状流路を形成す
るとともに、弁体閉塞時に２次側となる前記スリ
ツト状流路の軸線を互いに平行乃至流体流れ方向
下流側が僅かに開いた方向としたことを特徴とす
るバタフライ弁。 In a butterfly valve in which a valve body is rotatably provided in a valve body via a valve shaft, comb-like protrusions are formed on the peripheral edge of the face of the valve body opposite to the valve opening operation direction, and A slit-like flow path is formed between the tooth-like projections, and the axes of the slit-like flow path, which becomes the secondary side when the valve body is closed, are parallel to each other or in a direction in which the downstream side in the fluid flow direction is slightly open. Butterfly valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5382690U JPH0413873U (en) | 1990-05-23 | 1990-05-23 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5382690U JPH0413873U (en) | 1990-05-23 | 1990-05-23 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0413873U true JPH0413873U (en) | 1992-02-04 |
Family
ID=31575347
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5382690U Pending JPH0413873U (en) | 1990-05-23 | 1990-05-23 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0413873U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028312A (en) * | 2001-07-16 | 2003-01-29 | Toyo Valve Co Ltd | Valve element for butterfly valve |
| JP2003074719A (en) * | 2001-09-03 | 2003-03-12 | Toyo Valve Co Ltd | Valve element for butterfly valve |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57157866A (en) * | 1981-03-24 | 1982-09-29 | Deii Bauman Hansu | Low torque and low noise butterfly valve disc |
| JPS6347572A (en) * | 1986-08-11 | 1988-02-29 | Kurimoto Iron Works Ltd | Butterfly valve provided with noise control function |
-
1990
- 1990-05-23 JP JP5382690U patent/JPH0413873U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57157866A (en) * | 1981-03-24 | 1982-09-29 | Deii Bauman Hansu | Low torque and low noise butterfly valve disc |
| JPS6347572A (en) * | 1986-08-11 | 1988-02-29 | Kurimoto Iron Works Ltd | Butterfly valve provided with noise control function |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003028312A (en) * | 2001-07-16 | 2003-01-29 | Toyo Valve Co Ltd | Valve element for butterfly valve |
| JP2003074719A (en) * | 2001-09-03 | 2003-03-12 | Toyo Valve Co Ltd | Valve element for butterfly valve |