JPH0422659U - - Google Patents
Info
- Publication number
- JPH0422659U JPH0422659U JP6284290U JP6284290U JPH0422659U JP H0422659 U JPH0422659 U JP H0422659U JP 6284290 U JP6284290 U JP 6284290U JP 6284290 U JP6284290 U JP 6284290U JP H0422659 U JPH0422659 U JP H0422659U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- valve seat
- main body
- circumferential surface
- 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
- 239000007769 metal material Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
- 239000012530 fluid Substances 0.000 description 1
- 238000003754 machining Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
Description
第１図は断面図、第２図は第１図Ｃ部分を拡大
した開弁時を示す断面図、第３図は同閉弁時を示
す、第４図は切削加工における連続加工部分と不
連続加工部分を示す弁体の図、第５図は同弾性弁
座の取付位置を示す図、第６，７図は第一次シー
ル破壊時の第二次シールによる弁の開閉を示す図
である。
１……本体、２……流体通路、３……弁体、４
……弁棒、５……本体弁座、６……弁体弁座、７
……弾性弁座、８……凸部、９……取付溝。
Figure 1 is a cross-sectional view, Figure 2 is an enlarged cross-sectional view of part C in Figure 1 showing when the valve is open, Figure 3 is a view when the valve is closed, and Figure 4 is a continuous machining part and failure in cutting. Figure 5 is a diagram showing the mounting position of the elastic valve seat, and Figures 6 and 7 are diagrams showing the opening and closing of the valve by the secondary seal when the primary seal is broken. be. 1... Main body, 2... Fluid passage, 3... Valve body, 4
...Valve stem, 5...Body valve seat, 6...Valve body valve seat, 7
...Elastic valve seat, 8...Protrusion, 9...Mounting groove.
Claims (1)
とを備え、本体内周面の本体弁座と弁体外周面の
弁体弁座とを本体中心軸Ｘ−Ｘ′に対して角度Ｑ
１，Ｑ２だけそれぞれ傾斜して形成し、両弁座の
線接触により第二次シールを行うと共に、弁体弁
座に弾性弁座を取り付け、該弾性弁座と本体弁座
との密着により第一次シールを行うようにしたこ
とを特徴とする２重のシールを有したバタフライ
弁。 It has a main body made of a rigid metal material and a disk-shaped valve body, and the main body valve seat on the inner circumferential surface of the main body and the valve body valve seat on the outer circumferential surface of the valve body are arranged at an angle with respect to the main body center axis X-X'. Q
1 and Q2 , respectively, and perform a secondary seal by linear contact between both valve seats.An elastic valve seat is attached to the valve body valve seat, and the elastic valve seat is in close contact with the main valve seat. A butterfly valve having a double seal, characterized in that a primary seal is performed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6284290U JPH083780Y2 (en) | 1990-06-13 | 1990-06-13 | Butterfly valve with double seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP6284290U JPH083780Y2 (en) | 1990-06-13 | 1990-06-13 | Butterfly valve with double seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0422659U true JPH0422659U (en) | 1992-02-25 |
| JPH083780Y2 JPH083780Y2 (en) | 1996-01-31 |
Family
ID=31592358
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP6284290U Expired - Lifetime JPH083780Y2 (en) | 1990-06-13 | 1990-06-13 | Butterfly valve with double seal |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH083780Y2 (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0678667U (en) * | 1993-04-16 | 1994-11-04 | 中部工機株式会社 | Butterfly valve |
| JP2010223333A (en) * | 2009-03-24 | 2010-10-07 | Coc:Kk | Butterfly valve device |
| JPWO2020138347A1 (en) * | 2018-12-28 | 2021-12-23 | 株式会社キッツ | Central butterfly valve |
-
1990
- 1990-06-13 JP JP6284290U patent/JPH083780Y2/en not_active Expired - Lifetime
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0678667U (en) * | 1993-04-16 | 1994-11-04 | 中部工機株式会社 | Butterfly valve |
| JP2010223333A (en) * | 2009-03-24 | 2010-10-07 | Coc:Kk | Butterfly valve device |
| JPWO2020138347A1 (en) * | 2018-12-28 | 2021-12-23 | 株式会社キッツ | Central butterfly valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH083780Y2 (en) | 1996-01-31 |