JPS59169475U - valve - Google Patents

valve

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Publication number
JPS59169475U
JPS59169475U JP6442483U JP6442483U JPS59169475U JP S59169475 U JPS59169475 U JP S59169475U JP 6442483 U JP6442483 U JP 6442483U JP 6442483 U JP6442483 U JP 6442483U JP S59169475 U JPS59169475 U JP S59169475U
Authority
JP
Japan
Prior art keywords
valve
bypass circuit
negative pressure
valve box
opens
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
Application number
JP6442483U
Other languages
Japanese (ja)
Inventor
沼田　真人
Original Assignee
前沢工業株式会社
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by 前沢工業株式会社 filed Critical 前沢工業株式会社
Priority to JP6442483U priority Critical patent/JPS59169475U/en
Publication of JPS59169475U publication Critical patent/JPS59169475U/en
Pending legal-status Critical Current

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Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

【図面の簡単な説明】[Brief explanation of the drawing]

図は本考案の実施例を示し、第１図は正面の断面図、第
２図は第１図の中央の断面図、第３図は本考案の他の実
施例の正面の断面図、第４図は更に他の実施例の正面の
断面図である。 １はバタフライ弁体、２は弁箱、３は弁軸、５は空胴部
、８はノズル孔、９．　９ａ、　　９ｂはバイパス回路
、１０は減圧弁、１１はボール弁体、２１は仕切弁体、
２２は弁軸である。The figures show an embodiment of the present invention; FIG. 1 is a front sectional view, FIG. 2 is a sectional view of the center of FIG. 1, and FIG. 3 is a front sectional view of another embodiment of the invention; FIG. 4 is a front sectional view of still another embodiment. 1 is a butterfly valve body, 2 is a valve body, 3 is a valve stem, 5 is a cavity, 8 is a nozzle hole, 9. 9a, 9b are bypass circuits, 10 is a pressure reducing valve, 11 is a ball valve body, 21 is a gate valve body,
22 is a valve stem.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 弁箱の一次側内部と弁箱の二次側内部の負圧発生部位と
をバイパス回路で連通し、該バイパス回路に、通常時閉
状態にあって上記負圧を感知した際開作動する減圧弁を
設けたことを特徴とするバルブ。The inside of the primary side of the valve box and the negative pressure generation part inside the secondary side of the valve box are communicated by a bypass circuit, and the bypass circuit is provided with a pressure reducing device that is normally closed and opens when the negative pressure is detected. A valve characterized by being provided with a valve.
JP6442483U 1983-04-28 1983-04-28 valve Pending JPS59169475U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6442483U JPS59169475U (en) 1983-04-28 1983-04-28 valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6442483U JPS59169475U (en) 1983-04-28 1983-04-28 valve

Publications (1)

Publication Number Publication Date
JPS59169475U true JPS59169475U (en) 1984-11-13

Family

ID=30194603

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6442483U Pending JPS59169475U (en) 1983-04-28 1983-04-28 valve

Country Status (1)

Country Link
JP (1) JPS59169475U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016084846A (en) * 2014-10-24 2016-05-19 三菱日立パワーシステムズ株式会社 Valve device, and cooling system of heat exchanger

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57137787A (en) * 1981-02-18 1982-08-25 Kubota Ltd Valve

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS57137787A (en) * 1981-02-18 1982-08-25 Kubota Ltd Valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2016084846A (en) * 2014-10-24 2016-05-19 三菱日立パワーシステムズ株式会社 Valve device, and cooling system of heat exchanger

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