JPS55142173A - Water sealing apparatus of spherical valve - Google Patents
Water sealing apparatus of spherical valveInfo
- Publication number
- JPS55142173A JPS55142173A JP5036379A JP5036379A JPS55142173A JP S55142173 A JPS55142173 A JP S55142173A JP 5036379 A JP5036379 A JP 5036379A JP 5036379 A JP5036379 A JP 5036379A JP S55142173 A JPS55142173 A JP S55142173A
- Authority
- JP
- Japan
- Prior art keywords
- sealing ring
- oil pressure
- side sealing
- downstream side
- released
- 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 prevent biting of foreign material into seat surface by first allowing the downstream side sealing ring to be operated when the upstream side and the downstream side sealing rings are closed.
CONSTITUTION: When the water sealing mechanism is opening-closing controlled by the downstream side sealing ring control valve 34, the ON-OFF valves 44, 50, 54, and 60 are set at the open position, and the ON-OFF valves 66, 70, 74, and 78 are set at the closure position. The downstream side sealing ring 32 is closed earlier by the oil pressure which is supplied, passing through a first oil pressure feeding path 42, and the upper-stream side sealing ring 30 is closed slowly, for oil pressure is transmitted through a second oil pressure feeding path 46 having a flow rate controlling valve 48. As the oil pressure of the sealing ring 30 is released through a second returning oil path 58, and the oil pressure of the sealing ring 32 is released through a first returning oil path 52 having a flow-rate controlling valve 56, the sealing ring 32 is released lately. When ON-OFF control is performed by the upper- stream side sealing ring control valve 36, the opening-closing-position of the ON- OFF valve is reversed to the above described.
COPYRIGHT: (C)1980,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5036379A JPS5814953B2 (en) | 1979-04-25 | 1979-04-25 | Water sealing method for spherical valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5036379A JPS5814953B2 (en) | 1979-04-25 | 1979-04-25 | Water sealing method for spherical valve |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS55142173A true JPS55142173A (en) | 1980-11-06 |
JPS5814953B2 JPS5814953B2 (en) | 1983-03-23 |
Family
ID=12856800
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5036379A Expired JPS5814953B2 (en) | 1979-04-25 | 1979-04-25 | Water sealing method for spherical valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS5814953B2 (en) |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102818045A (en) * | 2012-09-10 | 2012-12-12 | 天津百利展发集团有限公司 | Intelligent locking valve |
JP2015017395A (en) * | 2013-07-10 | 2015-01-29 | 前澤工業株式会社 | Cut-off device of water intake |
-
1979
- 1979-04-25 JP JP5036379A patent/JPS5814953B2/en not_active Expired
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102818045A (en) * | 2012-09-10 | 2012-12-12 | 天津百利展发集团有限公司 | Intelligent locking valve |
JP2015017395A (en) * | 2013-07-10 | 2015-01-29 | 前澤工業株式会社 | Cut-off device of water intake |
Also Published As
Publication number | Publication date |
---|---|
JPS5814953B2 (en) | 1983-03-23 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
DE3571936D1 (en) | Valve for respirator | |
JPS56134672A (en) | Ball valve | |
ES8204113A1 (en) | Faucet valve with early shutoff | |
JPS55142173A (en) | Water sealing apparatus of spherical valve | |
JPS55123050A (en) | Butterfly valve | |
AU548990B2 (en) | Mixing valve | |
JPS53129788A (en) | Control method for controlling flow rate or pressure by operating two or more valves | |
JPS55107172A (en) | Automatic shut-off valve | |
JPS55119264A (en) | Gas stopcock | |
JPS57137774A (en) | Fluid control valve | |
JPS5536522A (en) | Multi-stage fallable movable weir made of pliable film | |
JPS5569366A (en) | Water seal for gate valve | |
JPS56156577A (en) | Valve | |
JPS57200476A (en) | Sealing member for fluid apparatus | |
JPS571805A (en) | Composite valve | |
JPS55112877A (en) | Control device for pelton wheel | |
JPS5777849A (en) | Safety valve of hot water feeder | |
JPS51116098A (en) | Method and apparatus for controlling sprinkling pressure of fire-fight ing water pipes | |
JPS5729719A (en) | Automatic shutting device for dam | |
JPS57184783A (en) | Water feeding device | |
JPS5783768A (en) | Flow control valve | |
ES513518A0 (en) | "CONTROL DEVICE FOR A VALVE CONTROLLED BY A PRESSURE AGENT AND DISPOSED IN A FEED PIPE". | |
GB887559A (en) | Improvements in and relating to fluid-flow control taps | |
JPS56156576A (en) | Valve | |
JPS52144140A (en) | Controlling apparatus for fan coil unit |