JP2021162082A5 - - Google Patents

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Publication number
JP2021162082A5
JP2021162082A5 JP2020063931A JP2020063931A JP2021162082A5 JP 2021162082 A5 JP2021162082 A5 JP 2021162082A5 JP 2020063931 A JP2020063931 A JP 2020063931A JP 2020063931 A JP2020063931 A JP 2020063931A JP 2021162082 A5 JP2021162082 A5 JP 2021162082A5
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JP
Japan
Prior art keywords
seat ring
tapered surface
butterfly valve
seat
disc
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.)
Granted
Application number
JP2020063931A
Other languages
English (en)
Japanese (ja)
Other versions
JP7500249B2 (ja
JP2021162082A (ja
Filing date
Publication date
Application filed filed Critical
Priority claimed from JP2020063931A external-priority patent/JP7500249B2/ja
Priority to JP2020063931A priority Critical patent/JP7500249B2/ja
Priority to US17/915,003 priority patent/US11982360B2/en
Priority to CN202180026448.9A priority patent/CN115298464A/zh
Priority to KR1020227033518A priority patent/KR102946739B1/ko
Priority to PCT/JP2021/010967 priority patent/WO2021200180A1/ja
Publication of JP2021162082A publication Critical patent/JP2021162082A/ja
Publication of JP2021162082A5 publication Critical patent/JP2021162082A5/ja
Publication of JP7500249B2 publication Critical patent/JP7500249B2/ja
Application granted granted Critical
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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JP2020063931A 2020-03-31 2020-03-31 二重偏心型バタフライ弁とその製造方法 Active JP7500249B2 (ja)

Priority Applications (5)

Application Number Priority Date Filing Date Title
JP2020063931A JP7500249B2 (ja) 2020-03-31 2020-03-31 二重偏心型バタフライ弁とその製造方法
PCT/JP2021/010967 WO2021200180A1 (ja) 2020-03-31 2021-03-18 二重偏心型バタフライ弁とその製造方法
CN202180026448.9A CN115298464A (zh) 2020-03-31 2021-03-18 双偏心型蝶阀和其制造方法
KR1020227033518A KR102946739B1 (ko) 2020-03-31 2021-03-18 이중 편심형 버터플라이 밸브와 그 제조 방법
US17/915,003 US11982360B2 (en) 2020-03-31 2021-03-18 Double eccentric butterfly valve and manufacturing method therefor

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2020063931A JP7500249B2 (ja) 2020-03-31 2020-03-31 二重偏心型バタフライ弁とその製造方法

Publications (3)

Publication Number Publication Date
JP2021162082A JP2021162082A (ja) 2021-10-11
JP2021162082A5 true JP2021162082A5 (https=) 2023-04-05
JP7500249B2 JP7500249B2 (ja) 2024-06-17

Family

ID=77928737

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2020063931A Active JP7500249B2 (ja) 2020-03-31 2020-03-31 二重偏心型バタフライ弁とその製造方法

Country Status (5)

Country Link
US (1) US11982360B2 (https=)
JP (1) JP7500249B2 (https=)
KR (1) KR102946739B1 (https=)
CN (1) CN115298464A (https=)
WO (1) WO2021200180A1 (https=)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN119412507B (zh) * 2024-11-08 2026-03-24 苏州纽威阀门股份有限公司 一种双偏心蝶阀
CN119435732B (zh) * 2025-01-08 2025-04-11 福建省真特阀门科技有限公司 一种快速启闭的零摩擦球面密封蝶阀

Family Cites Families (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NO148902C (no) * 1981-10-14 1984-01-04 Westad Armaturfab Anordning ved dreiespjeldventil.
JPS646564A (en) * 1987-06-29 1989-01-11 Akira Oshima Sealing device for butterfly valve
JP2959709B2 (ja) * 1996-07-17 1999-10-06 株式会社栗本鐵工所 バタフライ弁のシール構造およびその製造方法
US6224064B1 (en) * 1997-01-21 2001-05-01 Stephen V. St. Germain Cantering spring loaded fixed base butterfly valve seal
JPH10288262A (ja) * 1997-04-14 1998-10-27 Asahi Organic Chem Ind Co Ltd プラスチック製バタフライ弁
JP2000199571A (ja) * 1999-01-06 2000-07-18 Tomoe Tech Res Co 偏心型バタフライ弁のシ―トリング
DE19918128A1 (de) * 1999-04-21 2000-10-26 Dieter Moellmann Absperrklappe für Rohrleitungen und Verfahren zur Herstellung derselben
DE202004020121U1 (de) * 2004-12-30 2005-03-24 Alligator Ventilfab Gmbh Reifenventil und Formdichtung für ein Reifenventil
JP6508804B2 (ja) * 2014-05-27 2019-05-08 前澤工業株式会社 二重偏心型バタフライ弁
CN108027072B (zh) 2014-10-07 2020-03-03 株式会社开滋 蝶形阀用阀座圈和其固定构造、以及偏心型蝶形阀
JP6846872B2 (ja) 2016-03-31 2021-03-24 株式会社キッツ バタフライ弁用シートリングの固定構造と偏心型バタフライ弁

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