Title:
PILOT TYPE DIAPHRAGM VALVE
Document Type and Number:
Japanese Patent JP2002106748
Kind Code:
A
Abstract:
To provide a pilot type diaphragm valve capable of effectively reducing water hammer in closing the valve and of restraining the occurrence of operation failure due to dust jamming, in a pilot type diaphragm valve suitably used for a fluid controlling valve for a fluid controlling water plug, a urinal cleaning device, a water closet cleaning device or the like.
In this pilot type diaphragm valve, a constant flow-rate valve is composed in a part of a water supply side passage communicating with a water supply part through a pressure chamber.
Inventors:
HIRAISHI KAZUO
TOYOSHIGE TAISUKE
MATSUFUJI YOSHINAGA
TOYOSHIGE TAISUKE
MATSUFUJI YOSHINAGA
Application Number:
JP2000292531A
Publication Date:
April 10, 2002
Filing Date:
September 26, 2000
Export Citation:
Assignee:
TOTO LTD
International Classes:
E03C1/02; F16K31/06; F16K31/42; F16K47/02; (IPC1-7): F16K31/42; E03C1/02; F16K31/06; F16K47/02
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