HIGH-PRESSURE AUTOMATIC DIAPHRAGM VALVE

WIPO Patent Application WO/2015/020209

A1

　Provided is a high-pressure automatic NC diaphragm valve in which a valve seat is constantly under a large load because of a high-pressure force biasing a valve body, wherein the valve can be stored while the performance of the valve is maintained until the valve is used, and the valve can be stored for a long period of time. A diaphragm valve, in which a diaphragm is pushed open and closed by a piston mechanism inside an actuator provided in a body, is configured such that a stationary-side locking part is provided to a casing of the actuator, a movable-side locking part is provided in an appropriate position on the piston mechanism, and when the piston mechanism is moved to an upper releasing side, the locked positions of the stationary-side locking part and the movable-side locking part coincide, and the stationary-side locking part and the movable-side locking part are locked by a holding member inserted from the outside of the casing.

JP6133298	A fluid handling device and a fluid handling method
JP6772780	Fluid control valve
WO/2005/036039	DIAPHRAGM MONITORING FOR FLOW CONTROL DEVICES

IIZUKA HISANOBU (JP)
KOU CHOKUTO (JP)

PCT/JP2014/071079

February 12, 2015

August 08, 2014

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KITZ SCT CORP (JP)

F16K7/17; F16K31/44; F16K35/06

JP2002195443A	2002-07-10
JPH08247307A	1996-09-27
JP2010255663A	2010-11-11
JP2007528478A	2007-10-11
JP2005140319A	2005-06-02

KOBAYASHI, TETSUO (JP)
Tetsuo Kobayashi (JP)

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