JPS55139579A - Bellows-sealed valve for liquefied metal - Google Patents
Bellows-sealed valve for liquefied metalInfo
- Publication number
- JPS55139579A JPS55139579A JP4367779A JP4367779A JPS55139579A JP S55139579 A JPS55139579 A JP S55139579A JP 4367779 A JP4367779 A JP 4367779A JP 4367779 A JP4367779 A JP 4367779A JP S55139579 A JPS55139579 A JP S55139579A
- Authority
- JP
- Japan
- Prior art keywords
- bellows
- valve
- pressure
- space
- stem
- 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
Abstract
PURPOSE: To quickly detect the sodium leakage, by providing a bellows which has the same shape as another bellows for a lower liquefied metal seal and is located on the upper part of a stem whereon a valve is secured and by placing a pressure and a temperature detectors in a space between both the bellows.
CONSTITUTION: Sodium, which flows through a passage 2 provided in the lower part of a valve casing 1, can be shut off by a valve 3. A stem 4, whereon the valve 3 is secured, is sealed up by a bellows 5 in the valve casing. Another bellows 15 similar to the former 5 is fitted on the upper part of the stem 4 so that the bellows 15 acts inversely to the other 5. The volume of an enclosed space between both the bellows is thus kept constant independently of the opening and closing of the valve. A detector 16 is installed to detect the pressure of the space 20. A pressure detection unit 17 is provided and has a mechanism to compensate the pressure change of the space 20 depending on the output of a temperature detector 21. The measured pressure is compared with a prescribed level to detect the damage of the bellows 5 and the leakage of the sodium.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4367779A JPS55139579A (en) | 1979-04-12 | 1979-04-12 | Bellows-sealed valve for liquefied metal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP4367779A JPS55139579A (en) | 1979-04-12 | 1979-04-12 | Bellows-sealed valve for liquefied metal |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55139579A true JPS55139579A (en) | 1980-10-31 |
JPS5619515B2 JPS5619515B2 (en) | 1981-05-08 |
Family
ID=12670463
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP4367779A Granted JPS55139579A (en) | 1979-04-12 | 1979-04-12 | Bellows-sealed valve for liquefied metal |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55139579A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUD20080187A1 (en) * | 2008-08-20 | 2010-02-21 | Friulco S P A | VALVE ELEMENT AND ITS CONTROL PROCEDURE |
-
1979
- 1979-04-12 JP JP4367779A patent/JPS55139579A/en active Granted
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
ITUD20080187A1 (en) * | 2008-08-20 | 2010-02-21 | Friulco S P A | VALVE ELEMENT AND ITS CONTROL PROCEDURE |
Also Published As
Publication number | Publication date |
---|---|
JPS5619515B2 (en) | 1981-05-08 |
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