JPS55166577A - Emergency shutdown valve - Google Patents
Emergency shutdown valveInfo
- Publication number
- JPS55166577A JPS55166577A JP7503479A JP7503479A JPS55166577A JP S55166577 A JPS55166577 A JP S55166577A JP 7503479 A JP7503479 A JP 7503479A JP 7503479 A JP7503479 A JP 7503479A JP S55166577 A JPS55166577 A JP S55166577A
- Authority
- JP
- Japan
- Prior art keywords
- stopper
- solenoid
- accompanying
- shutdown
- sustaining member
- 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
Abstract
PURPOSE: To enable to surely shutdown a flow conduit even in the event of an electric system trouble by enabling to cancel the stopper working either through a solenoid or a pressure sustaining member.
CONSTITUTION: An emergency shutdown valve is displaced accompanying a transport fluid dynamic pressure change and also is provided with a pressure sustaining member 13 mechanically interlocked with a stopper 11 and a solenoid 14 interlocked with the stopper 11. Since said constitution enables it to do the function cancelling operation of the stopper 11 through the solenoid 14, it is possible to shutdown the flow conduit R and to check the fluid flowing-out to the minimum by closing the valve before the breaking of the tube 1 accompanying an extraordinary state generation or before losing a large quantity of fluid after damage by operating the solenoid 14 in connection with a vibrometer. Moreover, even in the event of the electric system breakdown on account of the transport fluid dynamic pressure displacement accompanying the damaged tube 1 the pressure sustaining member 13 can operate to cancel the function of the stopper 11.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7503479A JPS55166577A (en) | 1979-06-14 | 1979-06-14 | Emergency shutdown valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP7503479A JPS55166577A (en) | 1979-06-14 | 1979-06-14 | Emergency shutdown valve |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS55166577A true JPS55166577A (en) | 1980-12-25 |
Family
ID=13564497
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP7503479A Pending JPS55166577A (en) | 1979-06-14 | 1979-06-14 | Emergency shutdown valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS55166577A (en) |
-
1979
- 1979-06-14 JP JP7503479A patent/JPS55166577A/en active Pending
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