JPH0413871U - - Google Patents
Info
- Publication number
- JPH0413871U JPH0413871U JP5382490U JP5382490U JPH0413871U JP H0413871 U JPH0413871 U JP H0413871U JP 5382490 U JP5382490 U JP 5382490U JP 5382490 U JP5382490 U JP 5382490U JP H0413871 U JPH0413871 U JP H0413871U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve body
- small
- holes
- circumferential protrusion
- 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.)
- Granted
Links
- 239000012530 fluid Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Lift Valve (AREA)
- Details Of Valves (AREA)
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……周状突縁、７，８……
小通孔。
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. 1... Butterfly valve, 2... Valve box, 3... Valve body, 4... Valve stem, 5, 6... Circumferential flange, 7, 8...
Small hole.
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周状突縁をそれぞれ形成
し、該周状突縁に複数個の小通孔を形成するとと
もに、弁体閉塞時に２次側となる周状突縁に設け
る小通孔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, a circumferential ridge is formed on a peripheral edge of a surface of the valve body opposite to the valve opening operation direction, and A plurality of small through holes are formed in the circumferential protrusion edge, and the axes of the small through holes provided in the circumferential protrusion edge, 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. A butterfly valve that is characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5382490U JPH0743553Y2 (en) | 1990-05-23 | 1990-05-23 | Butterfly valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5382490U JPH0743553Y2 (en) | 1990-05-23 | 1990-05-23 | Butterfly valve |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0413871U true JPH0413871U (en) | 1992-02-04 |
| JPH0743553Y2 JPH0743553Y2 (en) | 1995-10-09 |
Family
ID=31575343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5382490U Expired - Lifetime JPH0743553Y2 (en) | 1990-05-23 | 1990-05-23 | Butterfly valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0743553Y2 (en) |
-
1990
- 1990-05-23 JP JP5382490U patent/JPH0743553Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0743553Y2 (en) | 1995-10-09 |
Similar Documents
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |