JPS55129665A - Hollow jet valve - Google Patents

Hollow jet valve

Info

Publication number
JPS55129665A
JPS55129665A JP3488779A JP3488779A JPS55129665A JP S55129665 A JPS55129665 A JP S55129665A JP 3488779 A JP3488779 A JP 3488779A JP 3488779 A JP3488779 A JP 3488779A JP S55129665 A JPS55129665 A JP S55129665A
Authority
JP
Japan
Prior art keywords
inlet
enlarging
needle
valve
neck part
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
JP3488779A
Other languages
Japanese (ja)
Inventor
Yoji Yoshida
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.)
SAKAI IRON WORKS
SAKAI TEKKOSHO KK
Original Assignee
SAKAI IRON WORKS
SAKAI TEKKOSHO KK
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 SAKAI IRON WORKS, SAKAI TEKKOSHO KK filed Critical SAKAI IRON WORKS
Priority to JP3488779A priority Critical patent/JPS55129665A/en
Publication of JPS55129665A publication Critical patent/JPS55129665A/en
Pending legal-status Critical Current

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  • Lift Valve (AREA)

Abstract

PURPOSE: To substantially increase the boundary effective head which is possible to be used by setting the curvature radius of the inlet enlarging neck part inner surface of the upstream side body 0.035DW0.5D to D of the valve inlet diameter, and also, by setting the deflecting angle at the needle 30°W50°.
CONSTITUTION: The hollow jet valve is equipped with an upstream body which is constituted of the cylindrical inlet part 1 and the conical enlarging part 2 and the inlet enlarging neck part 3 which connect said parts. Also equipped are the cylindrical downstream body 5 which is connected to said enlarging part 2 and the umbrella-shaped needle 7 which is equipped with the plunger which can shift in the axial direction on the same axis with said body 5. In this case, the radius of curvature R of the inlet enlarging neck part 3 inner surface to D of diameter of the valve inlet is set to be 0.35DW0.5D, and the deflecting angle θ of the needle 7 is set to be 30°W50°. By this constitution, coefficient of flow rate can be increased without a fear for generation of cavitation under high head.
COPYRIGHT: (C)1980,JPO&Japio
JP3488779A 1979-03-24 1979-03-24 Hollow jet valve Pending JPS55129665A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP3488779A JPS55129665A (en) 1979-03-24 1979-03-24 Hollow jet valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP3488779A JPS55129665A (en) 1979-03-24 1979-03-24 Hollow jet valve

Publications (1)

Publication Number Publication Date
JPS55129665A true JPS55129665A (en) 1980-10-07

Family

ID=12426652

Family Applications (1)

Application Number Title Priority Date Filing Date
JP3488779A Pending JPS55129665A (en) 1979-03-24 1979-03-24 Hollow jet valve

Country Status (1)

Country Link
JP (1) JPS55129665A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005273708A (en) * 2004-03-23 2005-10-06 Ckd Corp Fluid control valve

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2005273708A (en) * 2004-03-23 2005-10-06 Ckd Corp Fluid control valve

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