JP2003240133A5 - - Google Patents

Download PDF

Info

Publication number
JP2003240133A5
JP2003240133A5 JP2002038502A JP2002038502A JP2003240133A5 JP 2003240133 A5 JP2003240133 A5 JP 2003240133A5 JP 2002038502 A JP2002038502 A JP 2002038502A JP 2002038502 A JP2002038502 A JP 2002038502A JP 2003240133 A5 JP2003240133 A5 JP 2003240133A5
Authority
JP
Japan
Prior art keywords
ball
flow path
holding member
sealing
valve according
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
JP2002038502A
Other languages
Japanese (ja)
Other versions
JP2003240133A (en
Filing date
Publication date
Application filed filed Critical
Priority to JP2002038502A priority Critical patent/JP2003240133A/en
Priority claimed from JP2002038502A external-priority patent/JP2003240133A/en
Publication of JP2003240133A publication Critical patent/JP2003240133A/en
Publication of JP2003240133A5 publication Critical patent/JP2003240133A5/ja
Pending legal-status Critical Current

Links

Claims (5)

ハウジング内に形成された流路上において一対のステムに支持されて回動自在に配置され、前記流路と連通する貫通孔が形成されて当該貫通孔により前記流路を開閉するボールと、
前記ボールの一次側のみに設けられ、前記ボールの外周面に圧接される環状のボールシートと、
前記ボールシートを保持する保持部材と、
前記ボールシートのシール径よりも大きなシール径を有して最も前記ボールから離間した位置に配置され、前記ハウジングと前記保持部材との間をシールする第１のシール手段と、
前記第１のシール手段のシール径よりも大きなシール径を有して最も前記ボール側に配置され、前記ハウジングと前記保持部材との間をシールする第２のシール手段とを有し、
前記ボールを流路開放位置とした際に、前記ボールシートを流体圧により前記ボールから離間することを特徴とするボールバルブ。A ball supported on a pair of stems on a flow path formed in the housing and rotatably disposed, a through hole communicating with the flow path is formed and the flow path is opened and closed by the through hole; and
An annular ball seat provided only on the primary side of the ball and pressed against the outer peripheral surface of the ball;
A holding member for holding the ball sheet;
A first sealing means having a seal diameter larger than a seal diameter of the ball seat and disposed at a position farthest from the ball, and sealing between the housing and the holding member;
Wherein the seal diameter of the first sealing means disposed on the most the ball side has a larger sealing diameter, have a second sealing means for sealing between said holding member and said housing,
A ball valve characterized in that the ball seat is separated from the ball by fluid pressure when the ball is in a flow path open position . 前記保持部材を前記ボール側に付勢する弾性部材が設けられていることを特徴とする請求項１記載のボールバルブ。  The ball valve according to claim 1, further comprising an elastic member that urges the holding member toward the ball. 前記ボールシートと前記保持部材とは相互に一体形成されていることを特徴とする請求項１または２記載のボールバルブ。  The ball valve according to claim 1, wherein the ball seat and the holding member are integrally formed with each other. 所定の流体が流れる配管と、
前記配管上に設置された請求項１〜３の何れか一項に記載のボールバルブと、
前記ボールバルブの下流側の配管上に設置され、当該配管の流路を開閉する開閉弁とを有することを特徴とする流体供給システム。Piping through which a predetermined fluid flows;
The ball valve according to any one of claims 1 to 3, which is installed on the pipe,
A fluid supply system, comprising: an on-off valve that is installed on a pipe on the downstream side of the ball valve and opens and closes a flow path of the pipe. 前記開閉弁は請求項１〜３の何れか一項に記載のボールバルブであることを特徴とする請求項４記載の流体供給システム。  The fluid supply system according to claim 4, wherein the on-off valve is the ball valve according to claim 1.
JP2002038502A 2002-02-15 2002-02-15 Ball valve and fluid supply system using the same Pending JP2003240133A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2002038502A JP2003240133A (en) 2002-02-15 2002-02-15 Ball valve and fluid supply system using the same

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2002038502A JP2003240133A (en) 2002-02-15 2002-02-15 Ball valve and fluid supply system using the same

Publications (2)

Publication Number Publication Date
JP2003240133A JP2003240133A (en) 2003-08-27
JP2003240133A5 true JP2003240133A5 (en) 2005-08-25

Family

ID=27779794

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2002038502A Pending JP2003240133A (en) 2002-02-15 2002-02-15 Ball valve and fluid supply system using the same

Country Status (1)

Country Link
JP (1) JP2003240133A (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5123254B2 (en) * 2009-05-27 2013-01-23 株式会社日阪製作所 Valve device
JP5710571B2 (en) * 2012-10-10 2015-04-30 株式会社日阪製作所 Valve device
JP2016084893A (en) * 2014-10-28 2016-05-19 Ｊｆｅスチール株式会社 Ball valve and flow rate control method using the same
KR102033114B1 (en) * 2017-04-13 2019-10-16 (주)테스토닉 Apparatus for suctioning dust using bead

Similar Documents

Publication Publication Date Title
ATE358779T1 (en) DISC VALVE WITH IMPROVED VALVE SEAT
WO2006126014A3 (en) A check valve and a split-body fluid device having such a check valve
JP2010502912A5 (en) Valve assembly
JP2009526315A5 (en)
WO2006063000A3 (en) One-way valve, apparatus and method of using the valve
WO2005069816A3 (en) Diaphragm valve with pivoting closure member
MY154544A (en) Valve
MY139754A (en) Fluid flow control device having a throttling element seal
SG144829A1 (en) Valve seal
JP2010538233A5 (en)
WO2008008465A3 (en) Valve manifold assembly
WO2006041850A3 (en) Valve for aerosol can
WO2007002646A3 (en) Check valve
JP2007508503A5 (en)
WO2007098431A3 (en) Thermostatic expansion valve with check valve
MX2007012911A (en) Fluid flow control valve with composition seal.
TW200724815A (en) Permeable gas assembly for gas delivery
AU2002952390A0 (en) Valve assembly
WO2007110859A3 (en) Control valve with integrated insert providing valve seat and plug guides
WO2008011057A3 (en) Non-pyrotechnic isolation valve element
WO2007136942A3 (en) Seal for water valve
JP2003240133A5 (en)
WO2007056434A3 (en) Device to reduce noise in pressure regulators
JP2002540369A5 (en)
DE60317105D1 (en) VALVE DEVICE WITH TWO MEMBRANES FOR A DRINKING CONTAINER