JPS63110776U - - Google Patents
Info
- Publication number
- JPS63110776U JPS63110776U JP242387U JP242387U JPS63110776U JP S63110776 U JPS63110776 U JP S63110776U JP 242387 U JP242387 U JP 242387U JP 242387 U JP242387 U JP 242387U JP S63110776 U JPS63110776 U JP S63110776U
- Authority
- JP
- Japan
- Prior art keywords
- pipe
- valve
- pilot
- check valve
- valve body
- 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
- 239000012530 fluid Substances 0.000 claims description 3
- 238000001514 detection method Methods 0.000 claims 1
- 230000001105 regulatory effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Fluid-Driven Valves (AREA)
- Check Valves (AREA)
Description
第１図は本考案の実施例の逆止弁とそのコント
ロール装置の説明図、第２図はパイロツト弁の動
作を説明する説明図、第３図は従来使用されてい
る逆止弁の側面図、第４図ａ，ｂは逆止弁の使用
状態を示し弁体と流体流の関係の説明図である。
１……弁体、２……カウンタウエイト、３……
アクチユエータ、４……パイロツト弁、５……ダ
イヤフラム装置、７……流体圧導管。
Fig. 1 is an explanatory diagram of a check valve and its control device according to an embodiment of the present invention, Fig. 2 is an explanatory diagram illustrating the operation of a pilot valve, and Fig. 3 is a side view of a conventionally used check valve. , FIGS. 4a and 4b are explanatory diagrams showing the use state of the check valve and the relationship between the valve body and fluid flow. 1... Valve body, 2... Counterweight, 3...
Actuator, 4... pilot valve, 5... diaphragm device, 7... fluid pressure conduit.
Claims (1)
体に結合され弁体を開放する方向に作動するアク
チユエータと、該アクチユエータの作動源として
管内圧を導入する導入配管と、該導入配管を切換
えるパイロツト弁とを備え、前記検出手段はパイ
ロツト弁の切替作動を規制する係止部を備えたこ
とを特徴とする逆止弁。 A detection means for detecting the flow direction of the fluid in the pipe, an actuator connected to the valve body and operated in a direction to open the valve body, an introduction pipe for introducing pressure inside the pipe as an operation source for the actuator, and a pilot for switching the introduction pipe. 1. A check valve comprising: a check valve, wherein the detecting means includes a locking portion for regulating switching operation of the pilot valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP242387U JPS63110776U (en) | 1987-01-13 | 1987-01-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP242387U JPS63110776U (en) | 1987-01-13 | 1987-01-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63110776U true JPS63110776U (en) | 1988-07-16 |
Family
ID=30781250
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP242387U Pending JPS63110776U (en) | 1987-01-13 | 1987-01-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63110776U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010276057A (en) * | 2009-05-26 | 2010-12-09 | Dmw Corp | Swing check valve |
-
1987
- 1987-01-13 JP JP242387U patent/JPS63110776U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2010276057A (en) * | 2009-05-26 | 2010-12-09 | Dmw Corp | Swing check valve |