JPS58148371U - ball valve - Google Patents

ball valve

Info

Publication number
JPS58148371U
JPS58148371U JP4547082U JP4547082U JPS58148371U JP S58148371 U JPS58148371 U JP S58148371U JP 4547082 U JP4547082 U JP 4547082U JP 4547082 U JP4547082 U JP 4547082U JP S58148371 U JPS58148371 U JP S58148371U
Authority
JP
Japan
Prior art keywords
ball
ring
ball valve
valve
seat ring
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
JP4547082U
Other languages
Japanese (ja)
Inventor
福田 誠二
Original Assignee
日立金属株式会社
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 日立金属株式会社 filed Critical 日立金属株式会社
Priority to JP4547082U priority Critical patent/JPS58148371U/en
Publication of JPS58148371U publication Critical patent/JPS58148371U/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]

第1図は通常のボールバルブの断面図、第2図、第3図
は従来の一般的なボールバルブのシート部の断面図、第
4図、第5図は本考案の一実施例を示す要部拡大断面図
、第6図は本考案の他の実施例を−示す要部拡大断面図
である。 1.2:弁箱、3:ボール、3a:ボール球状外面、4
:シート刃ング、4a、  4bニジ−/L/面、8ニ
一+ヤヒテイ部、10:間隙、12:0リング。
Fig. 1 is a sectional view of a normal ball valve, Figs. 2 and 3 are sectional views of the seat portion of a conventional general ball valve, and Figs. 4 and 5 show an embodiment of the present invention. FIG. 6 is an enlarged sectional view of main parts showing another embodiment of the present invention. 1.2: Valve box, 3: Ball, 3a: Ball spherical outer surface, 4
: Seat blade ring, 4a, 4b Niji-/L/face, 8 Ni-ichi + Yahitei part, 10: Gap, 12: 0 ring.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 弁箱内に貫通孔を有するボールを回動自在に設は弁箱段
差部内面とボールの球状外面との間に環状のシートリン
グを介在させたボールバルブにおいて、シートリングの
外周部に0リングを介在させ、弁箱段差部側面とシート
リング外端部には間隙を設け、上記Oリングの位置とボ
ール外球面とのシール面位置を同一線上に配置せしめ、
収縮差圧を皆無としたことを特徴とするボールバルブ。
A ball valve with a rotatable ball having a through hole inside the valve box has an annular seat ring interposed between the inner surface of the step part of the valve box and the spherical outer surface of the ball, and an O ring is attached to the outer periphery of the seat ring. interposed, a gap is provided between the side surface of the stepped part of the valve box and the outer end of the seat ring, and the position of the O-ring and the sealing surface position of the outer spherical surface of the ball are arranged on the same line,
A ball valve characterized by having no contraction differential pressure.
JP4547082U 1982-03-30 1982-03-30 ball valve Pending JPS58148371U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP4547082U JPS58148371U (en) 1982-03-30 1982-03-30 ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4547082U JPS58148371U (en) 1982-03-30 1982-03-30 ball valve

Publications (1)

Publication Number Publication Date
JPS58148371U true JPS58148371U (en) 1983-10-05

Family

ID=30056489

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4547082U Pending JPS58148371U (en) 1982-03-30 1982-03-30 ball valve

Country Status (1)

Country Link
JP (1) JPS58148371U (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012031928A (en) * 2010-07-30 2012-02-16 Nichiden Kogyo Kk Ball valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2012031928A (en) * 2010-07-30 2012-02-16 Nichiden Kogyo Kk Ball valve

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