JPS6364968U - - Google Patents
Info
- Publication number
- JPS6364968U JPS6364968U JP15902286U JP15902286U JPS6364968U JP S6364968 U JPS6364968 U JP S6364968U JP 15902286 U JP15902286 U JP 15902286U JP 15902286 U JP15902286 U JP 15902286U JP S6364968 U JPS6364968 U JP S6364968U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- seat ring
- valve stem
- valve body
- side seal
- 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
- 230000002265 prevention Effects 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims 1
Description
第１図は本考案の一実施例に係るバタフライバ
ルブを示す一部切断正面図、第２図はバタフライ
バルブを示す一部切断側面図、第３図はバタフラ
イバルブの要部を分解して示す断面図である。
１０……バタフライバルブ、１１……弁箱、１
２……シートリング、１２Ａ……シートリング側
シール部、１２Ｂ……溝、１３……弁棒、１４…
…弁体、１４Ａ……弁体側シール部、１４Ｂ……
溝、２０……変形防止リング。
Fig. 1 is a partially cutaway front view showing a butterfly valve according to an embodiment of the present invention, Fig. 2 is a partially cutaway side view showing the butterfly valve, and Fig. 3 is an exploded view of the main parts of the butterfly valve. FIG. 10...Butterfly valve, 11...Valve box, 1
2...Seat ring, 12A...Seat ring side seal portion, 12B...Groove, 13...Valve stem, 14...
... Valve body, 14A... Valve body side seal portion, 14B...
Groove, 20...Deformation prevention ring.
Claims (1)
弁箱に支持されるとともにシートリングを貫通す
る弁棒と、弁棒の中間部に装着されてシートリン
グの内部に配置され、弁棒の回転とともに回転し
て弁箱内の流体通路を開閉する弁体と、を有し、
弁体の外周部分で弁棒の周囲に位置する部分に形
成される弁体側シール部と、シートリングの内周
部分で弁棒の周囲に位置する部分に形成されるシ
ートリング側シール部とを相互に圧接してなるバ
タフライバルブにおいて、弁体側シール部とシー
トリング側シール部のそれぞれに、弁棒と同軸を
なす円環状の溝を設け、両溝にシートリングより
硬質の変形防止リングを嵌着したことを特徴とす
るバタフライバルブ。 A valve box, a seat ring installed in the valve box,
A valve stem that is supported by the valve body and passes through the seat ring, and a valve stem that is attached to the middle of the valve stem and placed inside the seat ring, and rotates with the rotation of the valve stem to open and close the fluid passage within the valve body. It has a valve body;
A valve body-side seal portion formed on the outer circumference of the valve body around the valve stem, and a seat ring side seal portion formed on the inner circumference of the seat ring around the valve stem. In a butterfly valve that is pressed against each other, a circular groove coaxial with the valve stem is provided in each of the valve body side seal part and the seat ring side seal part, and a deformation prevention ring that is harder than the seat ring is fitted in both grooves. A butterfly valve characterized by the fact that it is worn.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15902286U JPH032062Y2 (en) | 1986-10-16 | 1986-10-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP15902286U JPH032062Y2 (en) | 1986-10-16 | 1986-10-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6364968U true JPS6364968U (en) | 1988-04-28 |
| JPH032062Y2 JPH032062Y2 (en) | 1991-01-21 |
Family
ID=31083062
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP15902286U Expired JPH032062Y2 (en) | 1986-10-16 | 1986-10-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH032062Y2 (en) |
-
1986
- 1986-10-16 JP JP15902286U patent/JPH032062Y2/ja not_active Expired
Also Published As
| Publication number | Publication date |
|---|---|
| JPH032062Y2 (en) | 1991-01-21 |