JPH0514832B2 - - Google Patents
Info
- Publication number
- JPH0514832B2 JPH0514832B2 JP60193392A JP19339285A JPH0514832B2 JP H0514832 B2 JPH0514832 B2 JP H0514832B2 JP 60193392 A JP60193392 A JP 60193392A JP 19339285 A JP19339285 A JP 19339285A JP H0514832 B2 JPH0514832 B2 JP H0514832B2
- Authority
- JP
- Japan
- Prior art keywords
- small
- valve
- pair
- valves
- flow rate
- 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 - Lifetime
Links
- 235000014676 Phragmites communis Nutrition 0.000 claims description 22
- 238000001514 detection method Methods 0.000 claims description 11
- 239000012530 fluid Substances 0.000 claims description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 28
- 239000002131 composite material Substances 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000008400 supply water Substances 0.000 description 1
Landscapes
- Check Valves (AREA)
- Indication Of The Valve Opening Or Closing Status (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19339285A JPS6252277A (ja) | 1985-09-02 | 1985-09-02 | チョウ弁型チェッキ弁 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP19339285A JPS6252277A (ja) | 1985-09-02 | 1985-09-02 | チョウ弁型チェッキ弁 |
Publications (2)
Publication Number | Publication Date |
---|---|
JPS6252277A JPS6252277A (ja) | 1987-03-06 |
JPH0514832B2 true JPH0514832B2 (zh) | 1993-02-26 |
Family
ID=16307175
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP19339285A Granted JPS6252277A (ja) | 1985-09-02 | 1985-09-02 | チョウ弁型チェッキ弁 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6252277A (zh) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US6294097B1 (en) | 1997-06-18 | 2001-09-25 | Anan Kasei Co., Ltd. | Method for treating waste water containing nitrate ions |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS556074A (en) * | 1978-06-30 | 1980-01-17 | Hideo Ishizaki | Check valve with detection device |
JPS5612448U (zh) * | 1979-07-10 | 1981-02-02 | ||
JPS5663165A (en) * | 1979-10-13 | 1981-05-29 | Gerdts Gustav F Kg | Check valve |
-
1985
- 1985-09-02 JP JP19339285A patent/JPS6252277A/ja active Granted
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS556074A (en) * | 1978-06-30 | 1980-01-17 | Hideo Ishizaki | Check valve with detection device |
JPS5612448U (zh) * | 1979-07-10 | 1981-02-02 | ||
JPS5663165A (en) * | 1979-10-13 | 1981-05-29 | Gerdts Gustav F Kg | Check valve |
Also Published As
Publication number | Publication date |
---|---|
JPS6252277A (ja) | 1987-03-06 |
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