JPS5740167A - Steam valve - Google Patents

Steam valve

Info

Publication number
JPS5740167A
JPS5740167A JP11425080A JP11425080A JPS5740167A JP S5740167 A JPS5740167 A JP S5740167A JP 11425080 A JP11425080 A JP 11425080A JP 11425080 A JP11425080 A JP 11425080A JP S5740167 A JPS5740167 A JP S5740167A
Authority
JP
Japan
Prior art keywords
valve
valve seat
semispherical
temperature
valve body
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
JP11425080A
Other languages
Japanese (ja)
Inventor
Kura Shindo
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.)
Toshiba Corp
Original Assignee
Toshiba Corp
Tokyo Shibaura Electric Co Ltd
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 Toshiba Corp, Tokyo Shibaura Electric Co Ltd filed Critical Toshiba Corp
Priority to JP11425080A priority Critical patent/JPS5740167A/en
Publication of JPS5740167A publication Critical patent/JPS5740167A/en
Pending legal-status Critical Current

Links

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  • Lift Valve (AREA)

Abstract

PURPOSE: To prevent a vlve body from abrasion ans deformation caused by high- temperature and high pressure fluid by applying two valve seats to a valve set bse provided in a valve main body for enabling two vlve bodies to open or close and reducing the fluid resistance at the time of valve opening.
CONSTITUTION: A valve seat base 9 with an almost semispherical inner wall 11 is provided in the middle of a valve main body 1 provided with an inlet port 4 and an outlet port 5 of high-temperature and high-pressure steam. The first and the second valve seat 12 and 13 are provided on the valve seat base 9, while a semispherical valve body 14 and a spherical valve body 16 are provided to be respectively applied to the first valve seat 12 and the second valve seat 13. When the semispherical valve body 14 and the spherical valve body 16 are opened, high-temperature and high-pressure steam is introduced from the inlet port 4, and issued to the outlet port 5 from the second valve seat 13 via a strainer 7, the first valve seat 12, and a flow passage 18 of the valve seat base 9. At this stage, since the impulsive force given by steam flow at the time of valve opening is softened and smoothed by the flow passage 18, the valve body is prevented from abrasion and deformation.
COPYRIGHT: (C)1982,JPO&Japio
JP11425080A 1980-08-20 1980-08-20 Steam valve Pending JPS5740167A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP11425080A JPS5740167A (en) 1980-08-20 1980-08-20 Steam valve

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP11425080A JPS5740167A (en) 1980-08-20 1980-08-20 Steam valve

Publications (1)

Publication Number Publication Date
JPS5740167A true JPS5740167A (en) 1982-03-05

Family

ID=14633055

Family Applications (1)

Application Number Title Priority Date Filing Date
JP11425080A Pending JPS5740167A (en) 1980-08-20 1980-08-20 Steam valve

Country Status (1)

Country Link
JP (1) JPS5740167A (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0648560U (en) * 1992-12-21 1994-07-05 佐々木 暁代 Wiping tool
JP2012202249A (en) * 2011-03-24 2012-10-22 Toshiba Corp Steam valve

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0648560U (en) * 1992-12-21 1994-07-05 佐々木 暁代 Wiping tool
JP2012202249A (en) * 2011-03-24 2012-10-22 Toshiba Corp Steam valve

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