JPH01109671U - - Google Patents

Info

Publication number
JPH01109671U
JPH01109671U JP447688U JP447688U JPH01109671U JP H01109671 U JPH01109671 U JP H01109671U JP 447688 U JP447688 U JP 447688U JP 447688 U JP447688 U JP 447688U JP H01109671 U JPH01109671 U JP H01109671U
Authority
JP
Japan
Prior art keywords
valve
swing
sealing seat
valve body
swing type
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
JP447688U
Other languages
Japanese (ja)
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 filed Critical
Priority to JP447688U priority Critical patent/JPH01109671U/ja
Publication of JPH01109671U publication Critical patent/JPH01109671U/ja
Pending legal-status Critical Current

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  • Check Valves (AREA)

Description

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

第１図は本考案の１実施例を示す略示的縦断面
図であり、第２図は従来のスイング式逆止弁の例
を示す略示的縦断面図である。 １……弁箱、２……検査用盲フランジ、３……
シール用座面、４……スイング式弁体、１ａ……
弁入口、１ｂ……弁出口、１ｃ……弁体受けラグ
、４ａ……スイング式弁体回転軸。 FIG. 1 is a schematic vertical sectional view showing one embodiment of the present invention, and FIG. 2 is a schematic vertical sectional view showing an example of a conventional swing type check valve. 1...Valve box, 2...Blind flange for inspection, 3...
Seat surface for seal, 4...Swing type valve body, 1a...
Valve inlet, 1b... Valve outlet, 1c... Valve body receiving lug, 4a... Swing type valve body rotating shaft.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 弁箱内に取り付けられたスイング式弁体を弁箱
に設けられたシール用座面に密着させて流路を遮
断し、弁内流体の逆流を防止させる配管ライン中
の逆止弁において、上記スイング式弁体のシール
弁座側に突出させ、該突出部に合致するＬ字状の
切欠きを設けたシール用座面を具えたことを特徴
とするスイング式逆止弁。 The above-mentioned check valve in a piping line prevents backflow of fluid in the valve by blocking the flow path by bringing the swing-type valve body installed in the valve box into close contact with the sealing seat provided in the valve box. 1. A swing type check valve comprising a sealing seat surface that projects from the seal valve seat side of a swing type valve body and has an L-shaped notch that matches the protrusion.
JP447688U 1988-01-18 1988-01-18 Pending JPH01109671U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP447688U JPH01109671U (en) 1988-01-18 1988-01-18

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP447688U JPH01109671U (en) 1988-01-18 1988-01-18

Publications (1)

Publication Number Publication Date
JPH01109671U true JPH01109671U (en) 1989-07-25

Family

ID=31207024

Family Applications (1)

Application Number Title Priority Date Filing Date
JP447688U Pending JPH01109671U (en) 1988-01-18 1988-01-18

Country Status (1)

Country Link
JP (1) JPH01109671U (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0590062U (en) * 1992-05-15 1993-12-07 加藤発条株式会社 Check valve
JP2002340201A (en) * 2001-05-17 2002-11-27 Sakura Gomme Kk Swing valve

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0590062U (en) * 1992-05-15 1993-12-07 加藤発条株式会社 Check valve
JP2002340201A (en) * 2001-05-17 2002-11-27 Sakura Gomme Kk Swing valve
JP4659269B2 (en) * 2001-05-17 2011-03-30 櫻護謨株式会社 Swing valve

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