JPS642826B2 - - Google Patents
Info
- Publication number
- JPS642826B2 JPS642826B2 JP18855983A JP18855983A JPS642826B2 JP S642826 B2 JPS642826 B2 JP S642826B2 JP 18855983 A JP18855983 A JP 18855983A JP 18855983 A JP18855983 A JP 18855983A JP S642826 B2 JPS642826 B2 JP S642826B2
- Authority
- JP
- Japan
- Prior art keywords
- valve
- ball
- check valve
- insert
- hardness
- 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.)
- Expired
Links
- 239000000463 material Substances 0.000 claims description 28
- 239000012530 fluid Substances 0.000 claims description 8
- 239000010779 crude oil Substances 0.000 claims description 7
- 238000005086 pumping Methods 0.000 claims description 7
- 238000006073 displacement reaction Methods 0.000 claims description 5
- 239000003208 petroleum Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 4
- 230000003628 erosive effect Effects 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 3
- UONOETXJSWQNOL-UHFFFAOYSA-N tungsten carbide Chemical compound [W+]#[C-] UONOETXJSWQNOL-UHFFFAOYSA-N 0.000 claims description 2
- 239000007787 solid Substances 0.000 description 5
- 229910000851 Alloy steel Inorganic materials 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000007769 metal material Substances 0.000 description 2
- 239000010935 stainless steel Substances 0.000 description 2
- 229910001220 stainless steel Inorganic materials 0.000 description 2
- 239000000853 adhesive Substances 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 150000001247 metal acetylides Chemical class 0.000 description 1
- 238000005272 metallurgy Methods 0.000 description 1
- 239000003129 oil well Substances 0.000 description 1
- 238000012856 packing Methods 0.000 description 1
- 230000021715 photosynthesis, light harvesting Effects 0.000 description 1
Landscapes
- Check Valves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18855983A JPS6081581A (ja) | 1983-10-11 | 1983-10-11 | ボ−ル逆止弁 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18855983A JPS6081581A (ja) | 1983-10-11 | 1983-10-11 | ボ−ル逆止弁 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6081581A JPS6081581A (ja) | 1985-05-09 |
| JPS642826B2 true JPS642826B2 (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) | 1989-01-18 |
Family
ID=16225804
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18855983A Granted JPS6081581A (ja) | 1983-10-11 | 1983-10-11 | ボ−ル逆止弁 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6081581A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4662392A (en) * | 1983-07-29 | 1987-05-05 | Intevep, S.A. | Check valve |
| JPH067694Y2 (ja) * | 1987-11-30 | 1994-03-02 | 日本ゼオン株式会社 | 医療用の弁装置内蔵コネクタ |
| JP2004144169A (ja) * | 2002-10-23 | 2004-05-20 | Tsudakoma Corp | 逆止弁 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS4988112U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1972-11-16 | 1974-07-31 | ||
| JPS5545944U (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) * | 1978-09-20 | 1980-03-26 | ||
| JPS57200772A (en) * | 1981-06-05 | 1982-12-09 | Hitachi Ltd | Check valve |
| JPS58131481A (ja) * | 1982-01-28 | 1983-08-05 | Showa Mfg Co Ltd | モ−タボ−ト用ポンプユニツトの油圧バルブ |
-
1983
- 1983-10-11 JP JP18855983A patent/JPS6081581A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| JPS6081581A (ja) | 1985-05-09 |
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