JPS5683662A - Valve body of ball valve - Google Patents

Valve body of ball valve

Info

Publication number
JPS5683662A
JPS5683662A JP15916779A JP15916779A JPS5683662A JP S5683662 A JPS5683662 A JP S5683662A JP 15916779 A JP15916779 A JP 15916779A JP 15916779 A JP15916779 A JP 15916779A JP S5683662 A JPS5683662 A JP S5683662A
Authority
JP
Japan
Prior art keywords
valve body
valve
molded
valve shaft
side valve
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
JP15916779A
Other languages
Japanese (ja)
Inventor
Tetsuya Teramoto
Yasusuke Watanabe
Minoru Ohara
Takashi Ito
Koichi Arakawa
Juichiro Kawai
Isao Ishigamori
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hitachi Ltd
Original Assignee
Hitachi Ltd
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 Hitachi Ltd filed Critical Hitachi Ltd
Priority to JP15916779A priority Critical patent/JPS5683662A/en
Publication of JPS5683662A publication Critical patent/JPS5683662A/en
Pending legal-status Critical Current

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Abstract

PURPOSE: To obtain the valve body of the ball valve high in quality and easy to manufacture by a method wherein the valve body and an operation side valve shaft are molded integrally and simultaneously and a follower side valve shaft is connected after the molding.
CONSTITUTION: In the valve body of the ball valve, the valve body 2 and the driving side valve shaft 3 pivotally operated by a servo motor or the like are formed by integral molding upon casting. The follower side valve shaft 4 is connected to this cast molded form by welding after the cast form is molded. Upon the manufacturing of the valve body, the valve body 2 is molded integrally with the driving side valve shaft 3 located at the upper position of the valve body at first, subsequently, the follower side valve shaft 4 is connected to the connecting part C and welded at the welding section W after the molded form is cast.
COPYRIGHT: (C)1981,JPO&Japio
JP15916779A 1979-12-10 1979-12-10 Valve body of ball valve Pending JPS5683662A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP15916779A JPS5683662A (en) 1979-12-10 1979-12-10 Valve body of ball valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP15916779A JPS5683662A (en) 1979-12-10 1979-12-10 Valve body of ball valve

Publications (1)

Publication Number Publication Date
JPS5683662A true JPS5683662A (en) 1981-07-08

Family

ID=15687730

Family Applications (1)

Application Number Title Priority Date Filing Date
JP15916779A Pending JPS5683662A (en) 1979-12-10 1979-12-10 Valve body of ball valve

Country Status (1)

Country Link
JP (1) JPS5683662A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0622682U (en) * 1992-08-25 1994-03-25 株式会社栗本鐵工所 Eccentric valve shaft seal device

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0622682U (en) * 1992-08-25 1994-03-25 株式会社栗本鐵工所 Eccentric valve shaft seal device

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