CHECK VALVE UNIT

PROBLEM TO BE SOLVED: To solve the problem of being troublesome in repairing work when a part is small, due to being difficult in repairing when a cartridge is not disassembled when failure is caused in a seal member for opening-closing a valve hole, in a conventionally performed constitution for se...

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Bibliographic Details
Main Authors OTSUKI MASAYOSHI, SEKI TAKAYUKI
Format Patent
LanguageEnglish
Published 16.02.2012
Subjects
ACTUATING-FLOATS
BLASTING
COCKS
DEVICES FOR VENTING OR AERATING
ENGINEERING ELEMENTS AND UNITS
GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS
HEATING
LIGHTING
MECHANICAL ENGINEERING
TAPS
THERMAL INSULATION IN GENERAL
VALVES
WEAPONS
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Summary:PROBLEM TO BE SOLVED: To solve the problem of being troublesome in repairing work when a part is small, due to being difficult in repairing when a cartridge is not disassembled when failure is caused in a seal member for opening-closing a valve hole, in a conventionally performed constitution for sealing a check valve body by press-fitting to the valve hole having a valve seat in the cartridge.SOLUTION: A partition wall is formed in a valve shell for vertically dividing a primary side waterway and a secondary side waterway, the valve hole for opening-closing by contact-separation of a valve element is arranged in the partition wall, and a check valve body with check packing is set in the upper part of the valve hole via a spring for energizing in the projecting direction from the cartridge, to block up the valve hole constituted separately from the cartridge.
Bibliography:Application Number: JP20100169179