JPS6284805U - - Google Patents
Info
- Publication number
- JPS6284805U JPS6284805U JP17691585U JP17691585U JPS6284805U JP S6284805 U JPS6284805 U JP S6284805U JP 17691585 U JP17691585 U JP 17691585U JP 17691585 U JP17691585 U JP 17691585U JP S6284805 U JPS6284805 U JP S6284805U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pressure
- bonnet
- pressure case
- shaft
- 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
- 230000006835 compression Effects 0.000 claims description 2
- 238000007906 compression Methods 0.000 claims description 2
- 239000012530 fluid Substances 0.000 claims description 2
- 238000007789 sealing Methods 0.000 claims description 2
- 238000001514 detection method Methods 0.000 claims 1
Landscapes
- Indication Of The Valve Opening Or Closing Status (AREA)
- Details Of Valves (AREA)
- Control Of Fluid Pressure (AREA)
Description
第１図ないし第４図は本考案に係る低温流体用
自動調節弁の実施例を示し、第１図はその縦断面
図第２図ないし第４図はそれぞれ本考案の他の実
施例を示す圧力ケースの縦断面図である。
１……自動調節弁、２……弁本体、７……弁座
、８……首部、１０……ボンネツト、１０ａ……
貫通孔、１１……圧力ケース、１１ｂ……導入口
、１２……弁軸、１３……通路、１４……内弁、
１５……ばね受、１５ａ……ブツシユ、１６……
ベローズ受、１７……受圧用ベローズ、１８……
軸封用ベローズ、１９……ベローズ受、２０……
密封室、２３……圧縮コイルばね、２４……スト
レーンゲージ、２５……信号取出し口、２６……
外部導出口、２７……圧力計、２８……配管。
1 to 4 show an embodiment of the automatic control valve for low-temperature fluid according to the present invention, and FIG. 1 is a longitudinal sectional view thereof, and FIGS. 2 to 4 show other embodiments of the present invention, respectively. FIG. 3 is a longitudinal cross-sectional view of the pressure case. 1... Automatic control valve, 2... Valve body, 7... Valve seat, 8... Neck, 10... Bonnet, 10a...
Through hole, 11...pressure case, 11b...inlet, 12...valve stem, 13...passage, 14...inner valve,
15... Spring holder, 15a... Bush, 16...
Bellows receiver, 17...Pressure receiving bellows, 18...
Bellows for shaft sealing, 19... Bellows receiver, 20...
Sealed chamber, 23... Compression coil spring, 24... Strain gauge, 25... Signal outlet, 26...
External outlet, 27...pressure gauge, 28...piping.
Claims (1)
前記首部の開口端を閉塞するボンネツトと、この
ボンネツトに気密に固定され駆動気体の導入口を
有する圧力ケースと、前記ボンネツトの貫通孔に
進退自在に遊装されて前記圧力ケース内から首部
内へ延び前記弁部に臨む内弁を先端部に備えた弁
軸と、この弁軸と同心の円筒状に形成されて前記
圧力ケース内に収納され両側開口端を前記ボンネ
ツトと弁軸先端部側とにそれぞれ気密に支持され
た受圧用ベローズと、この受圧用ベローズの外側
に配置され両端を前記ボンネツト側と弁軸先端部
側とにそれぞれ支持された圧縮コイルばねと、前
記首部内に臨む前記弁軸を囲んで両端を前記ボン
ネツトと弁軸側とにそれぞれ液密に固定されその
内部と前記受圧用ベローズ内部および前記貫通孔
とで密封室を形成する軸封用ベローズと、前記密
封室内と前記圧力ケース外とを連通させる外部導
出口と、前記圧力ケース内に収納され圧力ケース
外のフイードバツク装置と電気接続された弁軸位
置検出手段とを設けたことを特徴とする低温流体
用自動調節弁。 a valve body having a cylindrical neck portion continuous with the valve portion;
a bonnet that closes the open end of the neck; a pressure case that is airtightly fixed to the bonnet and has an inlet for driving gas; and a pressure case that is freely installed in a through hole of the bonnet so that it can move forward and backward from inside the pressure case into the neck. a valve stem having an inner valve extending therefrom and facing the valve portion at its tip; and a valve stem formed in a cylindrical shape concentric with the valve stem and housed in the pressure case, with both open ends connected to the bonnet and the valve stem tip side. a pressure-receiving bellows airtightly supported by the pressure-receiving bellows; a compression coil spring disposed outside the pressure-receiving bellows and having both ends supported respectively on the bonnet side and the valve shaft tip side; A shaft-sealing bellows that surrounds the shaft and is liquid-tightly fixed at both ends to the bonnet and the valve shaft side, respectively, and forms a sealed chamber with its inside, the inside of the pressure-receiving bellows, and the through hole; An automatic control valve for low-temperature fluid, characterized in that it is provided with an external outlet for communicating with the outside of the pressure case, and a valve shaft position detection means housed within the pressure case and electrically connected to a feedback device outside the pressure case. .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17691585U JPH04404Y2 (en) | 1985-11-19 | 1985-11-19 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP17691585U JPH04404Y2 (en) | 1985-11-19 | 1985-11-19 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6284805U true JPS6284805U (en) | 1987-05-30 |
| JPH04404Y2 JPH04404Y2 (en) | 1992-01-08 |
Family
ID=31117619
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP17691585U Expired JPH04404Y2 (en) | 1985-11-19 | 1985-11-19 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04404Y2 (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04232514A (en) * | 1990-06-01 | 1992-08-20 | Valtek Inc | Unitary-type process control valve |
| JP2001141086A (en) * | 1999-11-08 | 2001-05-25 | Nok Corp | Control valve |
| JP2013242909A (en) * | 2008-02-29 | 2013-12-05 | Fisher Controls Internatl Llc | Diagnostic method for detecting failure of component in control valve |
| JP2021156429A (en) * | 2020-03-30 | 2021-10-07 | 株式会社鷺宮製作所 | Pressure control valve |
-
1985
- 1985-11-19 JP JP17691585U patent/JPH04404Y2/ja not_active Expired
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH04232514A (en) * | 1990-06-01 | 1992-08-20 | Valtek Inc | Unitary-type process control valve |
| JP2001141086A (en) * | 1999-11-08 | 2001-05-25 | Nok Corp | Control valve |
| JP2013242909A (en) * | 2008-02-29 | 2013-12-05 | Fisher Controls Internatl Llc | Diagnostic method for detecting failure of component in control valve |
| JP2021156429A (en) * | 2020-03-30 | 2021-10-07 | 株式会社鷺宮製作所 | Pressure control valve |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04404Y2 (en) | 1992-01-08 |