JPS56147970A - Pressure control valve - Google Patents
Pressure control valveInfo
- Publication number
- JPS56147970A JPS56147970A JP5044280A JP5044280A JPS56147970A JP S56147970 A JPS56147970 A JP S56147970A JP 5044280 A JP5044280 A JP 5044280A JP 5044280 A JP5044280 A JP 5044280A JP S56147970 A JPS56147970 A JP S56147970A
- Authority
- JP
- Japan
- Prior art keywords
- pressure control
- control valve
- composite alloy
- piston
- carbide particles
- 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
- Safety Valves (AREA)
Abstract
PURPOSE: To permit a pressure control valve to be sufficiently used even in highly water-containing operating liquid by forming the piston and the whole seat of a relief valve from the composite alloy with which ultra hard carbide particles are combined.
CONSTITUTION: At least one of or both of a piston 10a and a seat 10b are formed from the composite alloy which is prepared by combining the super hard carbide particles finely with Cr-Mo steel base. The relief valve using the composite alloy has a high corrosion resistance to the highly water-containing operating liquid such as soluble oil.
COPYRIGHT: (C)1981,JPO&Japio
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5044280A JPS56147970A (en) | 1980-04-18 | 1980-04-18 | Pressure control valve |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5044280A JPS56147970A (en) | 1980-04-18 | 1980-04-18 | Pressure control valve |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS56147970A true JPS56147970A (en) | 1981-11-17 |
Family
ID=12858969
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP5044280A Pending JPS56147970A (en) | 1980-04-18 | 1980-04-18 | Pressure control valve |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS56147970A (en) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008223907A (en) * | 2007-03-13 | 2008-09-25 | National Institute Of Advanced Industrial & Technology | Back pressure regulating valve |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4965910A (en) * | 1972-09-11 | 1974-06-26 | ||
JPS52139878A (en) * | 1976-05-17 | 1977-11-22 | Hitachi Ltd | Oil pressure servo-valve |
-
1980
- 1980-04-18 JP JP5044280A patent/JPS56147970A/en active Pending
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4965910A (en) * | 1972-09-11 | 1974-06-26 | ||
JPS52139878A (en) * | 1976-05-17 | 1977-11-22 | Hitachi Ltd | Oil pressure servo-valve |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2008223907A (en) * | 2007-03-13 | 2008-09-25 | National Institute Of Advanced Industrial & Technology | Back pressure regulating valve |
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