JPS5420405A - Method for preventing water hammer in piping system - Google Patents

Method for preventing water hammer in piping system

Info

Publication number
JPS5420405A
JPS5420405A JP8408877A JP8408877A JPS5420405A JP S5420405 A JPS5420405 A JP S5420405A JP 8408877 A JP8408877 A JP 8408877A JP 8408877 A JP8408877 A JP 8408877A JP S5420405 A JPS5420405 A JP S5420405A
Authority
JP
Japan
Prior art keywords
piping system
water hammer
preventing water
timer
pump
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
JP8408877A
Other languages
Japanese (ja)
Inventor
Tadashi Shiraishi
Minoru Akita
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 JP8408877A priority Critical patent/JPS5420405A/en
Publication of JPS5420405A publication Critical patent/JPS5420405A/en
Pending legal-status Critical Current

Links

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  • Control Of Positive-Displacement Pumps (AREA)

Abstract

PURPOSE: To prevent the water hammer by providing a means to open an automatic stop valve in the piping system with the use of a timer at the predetermined time before the start of a pump.
COPYRIGHT: (C)1979,JPO&Japio
JP8408877A 1977-07-15 1977-07-15 Method for preventing water hammer in piping system Pending JPS5420405A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8408877A JPS5420405A (en) 1977-07-15 1977-07-15 Method for preventing water hammer in piping system

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8408877A JPS5420405A (en) 1977-07-15 1977-07-15 Method for preventing water hammer in piping system

Publications (1)

Publication Number Publication Date
JPS5420405A true JPS5420405A (en) 1979-02-15

Family

ID=13820737

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8408877A Pending JPS5420405A (en) 1977-07-15 1977-07-15 Method for preventing water hammer in piping system

Country Status (1)

Country Link
JP (1) JPS5420405A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5977825U (en) * 1982-11-16 1984-05-26 金星園芸工業株式会社 Rotating shaft for lawn mower blades

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5977825U (en) * 1982-11-16 1984-05-26 金星園芸工業株式会社 Rotating shaft for lawn mower blades

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