JPS51143176A - Negative prssure converter - Google Patents

Negative prssure converter

Info

Publication number
JPS51143176A
JPS51143176A JP6646775A JP6646775A JPS51143176A JP S51143176 A JPS51143176 A JP S51143176A JP 6646775 A JP6646775 A JP 6646775A JP 6646775 A JP6646775 A JP 6646775A JP S51143176 A JPS51143176 A JP S51143176A
Authority
JP
Japan
Prior art keywords
converter
negative
prssure
assemble
welding
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
JP6646775A
Other languages
Japanese (ja)
Inventor
Yuichi Kitahara
Toshikatsu Ito
Matsuo Amano
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 JP6646775A priority Critical patent/JPS51143176A/en
Publication of JPS51143176A publication Critical patent/JPS51143176A/en
Pending legal-status Critical Current

Links

Landscapes

  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)

Abstract

PURPOSE: A negative pressure converter which is easy to assemble and simple in welding a double-head ball valve to a valve rod.
COPYRIGHT: (C)1976,JPO&Japio
JP6646775A 1975-06-04 1975-06-04 Negative prssure converter Pending JPS51143176A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6646775A JPS51143176A (en) 1975-06-04 1975-06-04 Negative prssure converter

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6646775A JPS51143176A (en) 1975-06-04 1975-06-04 Negative prssure converter

Publications (1)

Publication Number Publication Date
JPS51143176A true JPS51143176A (en) 1976-12-09

Family

ID=13316601

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6646775A Pending JPS51143176A (en) 1975-06-04 1975-06-04 Negative prssure converter

Country Status (1)

Country Link
JP (1) JPS51143176A (en)

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