JPS56105160A - Valve - Google Patents
ValveInfo
- Publication number
- JPS56105160A JPS56105160A JP795380A JP795380A JPS56105160A JP S56105160 A JPS56105160 A JP S56105160A JP 795380 A JP795380 A JP 795380A JP 795380 A JP795380 A JP 795380A JP S56105160 A JPS56105160 A JP S56105160A
- Authority
- JP
- Japan
- Prior art keywords
- valve
- thermal expansion
- valve box
- valve rod
- box
- 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
Landscapes
- Lift Valve (AREA)
Abstract
PURPOSE: To both avoid a decrease of sealing quality at the time of valve closing, by suppressing the displacement of a relative position caused from thermal expansion between a valve box and valve body, and further surely perform a sealing action, by expecting the displacement in accordance with the thermal expansion at the expected setting.
CONSTITUTION: When applied to a high temperature emergency shut-off valve, a valve rod 5 is axially mounted to a valve box 3 in a freely rotating state, and at one end side of the valve rod 5 a flow line shut-off mechanism 6, for closing the valve interacting to a detecting sensor A of abnormal flow in a transport line, is connected. Here the valve rod 5 is internally engaged in a slidable state to a pair of cylindrical parts 13, 13 further provided concentrically to the valve box 3, simultaneously at both end sides of the valve rod 5 belleville springs 14 are interposed in such a manner as to be urged separately further in an opposite direction. In this way, dislocation of a valve body 4 for the valve box 3 caused by thermal expansion can be suppressed to resiliently hold its position at the same time. At this time, a supporting seat 15 of the supporting seats 15, 16 provided with the belleville spring 14 is supported to the valve box 3 through a thrust bearing 17 and the other seat 16 is supported by a nut 18.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP795380A JPS56105160A (en) | 1980-01-25 | 1980-01-25 | Valve |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP795380A JPS56105160A (en) | 1980-01-25 | 1980-01-25 | Valve |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS56105160A true JPS56105160A (en) | 1981-08-21 |
Family
ID=11679846
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP795380A Pending JPS56105160A (en) | 1980-01-25 | 1980-01-25 | Valve |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS56105160A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100833165B1 (en) | 2007-01-18 | 2008-05-28 | 두성티에스 주식회사 | Rotary valve unit |
-
1980
- 1980-01-25 JP JP795380A patent/JPS56105160A/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100833165B1 (en) | 2007-01-18 | 2008-05-28 | 두성티에스 주식회사 | Rotary valve unit |
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