JPS6287263U - - Google Patents
Info
- Publication number
- JPS6287263U JPS6287263U JP17936485U JP17936485U JPS6287263U JP S6287263 U JPS6287263 U JP S6287263U JP 17936485 U JP17936485 U JP 17936485U JP 17936485 U JP17936485 U JP 17936485U JP S6287263 U JPS6287263 U JP S6287263U
- Authority
- JP
- Japan
- Prior art keywords
- seat ring
- valve casing
- ring
- valve
- flange surface
- 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
- 230000002093 peripheral effect Effects 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims 1
- 238000007789 sealing Methods 0.000 claims 1
Landscapes
- Lift Valve (AREA)
Description
第１図ａは本考案の一実施例の全体断面図、第
１図ｂは第１図ａの一部破断側面図、第２図ａは
要部断面図、第２図ｂは要部拡大図、第３図ａは
従来のバルブ正面図、第３図ｂは第３図ａの一部
破断側面図である。
１２…シートリング、１３…周縁部、１４…シ
ール面、１５…フランジ面、１６…プレツシヤリ
ング、１７…カム、２０…押込リング、２１…ワ
イヤ、２２…プレツシヤピン。
Figure 1a is an overall sectional view of an embodiment of the present invention, Figure 1b is a partially cutaway side view of Figure 1a, Figure 2a is a sectional view of the main part, and Figure 2b is an enlarged view of the main part. 3A is a front view of a conventional valve, and FIG. 3B is a partially cutaway side view of FIG. 3A. DESCRIPTION OF SYMBOLS 12... Seat ring, 13... Peripheral part, 14... Seal surface, 15... Flange surface, 16... Pressure ring, 17... Cam, 20... Push ring, 21... Wire, 22... Pressure pin.
Claims (1)
有するバタフライバルブにおいて、前記シートリ
ングの周縁部のシール面を、前記バルブケーシン
グのフランジ面より突出しないように形成し、前
記バルブケーシングと前記シートリング間に内装
されるプレツシヤリングを、前記周縁部内側に当
接して配置するとともに、前記プレツシヤリング
を前記フランジ面側に押出し可能なカム装置を設
けたことを特徴とするバタフライ弁のシートリン
グ押出し装置。 In a butterfly valve having a seat ring fitted inside a valve casing, a sealing surface at a peripheral portion of the seat ring is formed so as not to protrude from a flange surface of the valve casing, and an inner part is formed between the valve casing and the seat ring. A seat ring extrusion device for a butterfly valve, characterized in that a pressure ring is disposed in contact with the inner side of the peripheral edge, and a cam device capable of extruding the pressure ring toward the flange surface side is provided.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17936485U JPS6287263U (en) | 1985-11-20 | 1985-11-20 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17936485U JPS6287263U (en) | 1985-11-20 | 1985-11-20 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6287263U true JPS6287263U (en) | 1987-06-03 |
Family
ID=31122359
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17936485U Pending JPS6287263U (en) | 1985-11-20 | 1985-11-20 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6287263U (en) |
-
1985
- 1985-11-20 JP JP17936485U patent/JPS6287263U/ja active Pending