JPH0423888U - - Google Patents
Info
- Publication number
- JPH0423888U JPH0423888U JP6616290U JP6616290U JPH0423888U JP H0423888 U JPH0423888 U JP H0423888U JP 6616290 U JP6616290 U JP 6616290U JP 6616290 U JP6616290 U JP 6616290U JP H0423888 U JPH0423888 U JP H0423888U
- Authority
- JP
- Japan
- Prior art keywords
- casing
- actuator
- attached
- prevention device
- heat insulating
- 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
- 230000005494 condensation Effects 0.000 claims 3
- 238000009833 condensation Methods 0.000 claims 3
- 230000002265 prevention Effects 0.000 claims 3
- 239000011810 insulating material Substances 0.000 claims 1
- 239000000463 material Substances 0.000 claims 1
- 230000002093 peripheral effect Effects 0.000 claims 1
- 229920003002 synthetic resin Polymers 0.000 claims 1
- 239000000057 synthetic resin Substances 0.000 claims 1
- 238000009413 insulation Methods 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 1
- 238000000576 coating method Methods 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 238000009428 plumbing Methods 0.000 description 1
Landscapes
- Lift Valve (AREA)
- Details Of Valves (AREA)
Description
第１図はこの考案に係るバタフライ弁の分解斜
視図、第２図はこの考案により断熱被覆された状
態を示す断面図、第３図はケーシングの外観斜視
図、第４図は同分解斜視図、第５図は従来の断熱
被覆状態の一例を示す断面図である。
１……バタフライ弁、２……配管パイプ、３…
…フランジ、４……断熱カバー、５……弁軸筒、
６……アクチユエータ、７……断熱カバー、８…
…締付ボルト・ナツト、９……リング状断熱カバ
ー、１０……弁本体、１１……流体通路、１２…
…弁体、１３……シートリング、１４……弁棒、
１５……取付板、１６……熱遮断板、１７……ケ
ーシング、１８……ハンドル軸、１９……分割面
。
Fig. 1 is an exploded perspective view of the butterfly valve according to this invention, Fig. 2 is a sectional view showing the state of the butterfly valve covered with heat insulation according to this invention, Fig. 3 is an external perspective view of the casing, and Fig. 4 is an exploded perspective view of the same. , FIG. 5 is a sectional view showing an example of a conventional heat-insulating coating state. 1...Butterfly valve, 2...Plumbing pipe, 3...
...Flange, 4...Insulation cover, 5...Valve stem cylinder,
6...actuator, 7...insulation cover, 8...
...Tightening bolt/nut, 9...Ring-shaped insulation cover, 10...Valve body, 11...Fluid passage, 12...
... Valve body, 13 ... Seat ring, 14 ... Valve stem,
15...Mounting plate, 16...Heat shielding plate, 17...Casing, 18...Handle shaft, 19...Dividing surface.
Claims (1)
エータを取り付けると共に、弁軸筒の外周面に、
断熱カバーを被着し、該断熱カバーの一端を前記
熱遮断板に接すると共に、前記アクチユエータの
ケーシングを非金属製断熱材料で形成したことを
特徴とするバタフライ弁の結露防止装置。 (2) ケーシングがハンドル軸の軸心に沿う分割
面において２つ割り形状に形成されていることを
特徴とする請求項(1)記載の結露防止装置。 (3) ケーシングが合成樹脂材料で形成されてい
ることを特徴とする請求項(1)又は(2)記載の結露
防止装置。[Claims for Utility Model Registration] (1) An actuator is attached to the outer end of the valve stem cylinder via a heat shield plate, and the actuator is attached to the outer peripheral surface of the valve stem cylinder.
A condensation prevention device for a butterfly valve, characterized in that a heat insulating cover is attached, one end of the heat insulating cover is in contact with the heat shielding plate, and the casing of the actuator is formed of a non-metallic heat insulating material. (2) The condensation prevention device according to claim (1), wherein the casing is formed into a two-part shape at a dividing plane along the axis of the handle shaft. (3) The condensation prevention device according to claim (1) or (2), wherein the casing is made of a synthetic resin material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990066162U JPH077665Y2 (en) | 1990-06-21 | 1990-06-21 | Dew condensation prevention device for butterfly valves |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990066162U JPH077665Y2 (en) | 1990-06-21 | 1990-06-21 | Dew condensation prevention device for butterfly valves |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0423888U true JPH0423888U (en) | 1992-02-26 |
| JPH077665Y2 JPH077665Y2 (en) | 1995-02-22 |
Family
ID=31598635
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990066162U Expired - Lifetime JPH077665Y2 (en) | 1990-06-21 | 1990-06-21 | Dew condensation prevention device for butterfly valves |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH077665Y2 (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002059515A1 (en) * | 2001-01-26 | 2002-08-01 | Yamatake Corporation | Actuator and valve device with the actuator |
| JP3689092B2 (en) * | 2003-03-28 | 2005-08-31 | 株式会社巴技術研究所 | Butterfly valve gearbox |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0266788U (en) * | 1988-07-25 | 1990-05-21 |
-
1990
- 1990-06-21 JP JP1990066162U patent/JPH077665Y2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0266788U (en) * | 1988-07-25 | 1990-05-21 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH077665Y2 (en) | 1995-02-22 |