CN100432647C - 升降式止回阀密封检测装置及检测方法 - Google Patents
升降式止回阀密封检测装置及检测方法 Download PDFInfo
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- CN100432647C CN100432647C CNB200410052486XA CN200410052486A CN100432647C CN 100432647 C CN100432647 C CN 100432647C CN B200410052486X A CNB200410052486X A CN B200410052486XA CN 200410052486 A CN200410052486 A CN 200410052486A CN 100432647 C CN100432647 C CN 100432647C
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- China
- Prior art keywords
- sealing
- valve
- plug
- check valve
- lift check
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- Examining Or Testing Airtightness (AREA)
- Check Valves (AREA)
Abstract
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Claims (8)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
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CNB200410052486XA CN100432647C (zh) | 2004-12-03 | 2004-12-03 | 升降式止回阀密封检测装置及检测方法 |
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CNB200410052486XA CN100432647C (zh) | 2004-12-03 | 2004-12-03 | 升降式止回阀密封检测装置及检测方法 |
Publications (2)
Publication Number | Publication Date |
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CN1782683A CN1782683A (zh) | 2006-06-07 |
CN100432647C true CN100432647C (zh) | 2008-11-12 |
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CNB200410052486XA Expired - Fee Related CN100432647C (zh) | 2004-12-03 | 2004-12-03 | 升降式止回阀密封检测装置及检测方法 |
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Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101858817B (zh) * | 2010-06-10 | 2012-06-27 | 北京冶核技术发展有限责任公司 | 等压虚拟隔离止回阀密封性试验方法及设备 |
DK177530B1 (da) * | 2012-02-22 | 2013-09-08 | Iop Marine As | Fremgangsmåde til afprøvning af en gas shut-down ventil samt et anlæg til udøvelse af fremgangsmåden |
UA110750C2 (uk) * | 2012-05-01 | 2016-02-10 | Ктр Меньюфекчурінґ Індастріз Лімітед | Пристрій для виявлення витоку рідини |
CN103175664B (zh) * | 2013-03-08 | 2016-05-04 | 山东大学 | 逆止阀连接部位密封性能模型试验装置及试验方法 |
CN104058193B (zh) * | 2013-03-19 | 2016-12-28 | 中国石油天然气股份有限公司 | 储油罐呼吸阀连通器 |
CN103471791A (zh) * | 2013-09-25 | 2013-12-25 | 浪潮电子信息产业股份有限公司 | 一种水冷机柜水路密封性检验方法 |
CN103556984A (zh) * | 2013-10-26 | 2014-02-05 | 山东陆海威尔德石油科技有限公司 | 无线随钻测斜仪阀头阀座密封性检测方法 |
CN104535271B (zh) * | 2014-12-18 | 2017-03-22 | 杭州平泽科技有限公司 | 一种单向阀的密封性检测装置 |
CN107179168A (zh) * | 2017-06-14 | 2017-09-19 | 上海安居乐环保科技股份有限公司 | 一种rto和grto焚烧炉提升阀泄漏在线检测器 |
CN107179169B (zh) * | 2017-06-14 | 2019-05-17 | 中广核工程有限公司 | 一种核电站逆止阀试验装置以及试验方法 |
CN108562408A (zh) * | 2018-03-26 | 2018-09-21 | 广东鸿图南通压铸有限公司 | 一种独立检测单向pcv阀密封性的装置 |
CN108956057A (zh) * | 2018-09-20 | 2018-12-07 | 中国石油化工股份有限公司 | Dbb阀泄漏检测装置 |
CN109916573A (zh) * | 2019-02-13 | 2019-06-21 | 浙江陶特容器科技股份有限公司 | 一种用于检测阀门焊接部位气密性的气压检测台 |
Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4984448A (en) * | 1989-11-16 | 1991-01-15 | Atmos Energy Corporation | Leak detector and utilization pressure manifold |
CN2210390Y (zh) * | 1994-09-21 | 1995-10-18 | 孙广聚 | 阀门试压机 |
US6098412A (en) * | 1999-01-19 | 2000-08-08 | Carrier Corporation | Method for automated detection of leaks in a discharge check valve |
CN2403967Y (zh) * | 1999-07-16 | 2000-11-01 | 温州市旭龙精铸阀门有限公司 | 止回阀 |
US20020069691A1 (en) * | 2000-12-08 | 2002-06-13 | Roberts Daryl L. | Low volume vacuum source for leak test fixture |
-
2004
- 2004-12-03 CN CNB200410052486XA patent/CN100432647C/zh not_active Expired - Fee Related
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4984448A (en) * | 1989-11-16 | 1991-01-15 | Atmos Energy Corporation | Leak detector and utilization pressure manifold |
CN2210390Y (zh) * | 1994-09-21 | 1995-10-18 | 孙广聚 | 阀门试压机 |
US6098412A (en) * | 1999-01-19 | 2000-08-08 | Carrier Corporation | Method for automated detection of leaks in a discharge check valve |
CN2403967Y (zh) * | 1999-07-16 | 2000-11-01 | 温州市旭龙精铸阀门有限公司 | 止回阀 |
US20020069691A1 (en) * | 2000-12-08 | 2002-06-13 | Roberts Daryl L. | Low volume vacuum source for leak test fixture |
Also Published As
Publication number | Publication date |
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CN1782683A (zh) | 2006-06-07 |
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C14 | Grant of patent or utility model | ||
GR01 | Patent grant | ||
EE01 | Entry into force of recordation of patent licensing contract |
Assignee: GUANGDONG NUCLEAR POWER JOINT VENTURE Co.,Ltd. Assignor: DAYABAY NUCLEAR POWER OPERATIONS AND MANAGEMENT Co.,Ltd. Contract fulfillment period: 2008.12.15 to 2013.12.15 Contract record no.: 2009440000482 Denomination of invention: Lifting check-valve leakage detecting device and detecting method Granted publication date: 20081112 License type: Exclusive license Record date: 20090622 |
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LIC | Patent licence contract for exploitation submitted for record |
Free format text: EXCLUSIVE LICENSE; TIME LIMIT OF IMPLEMENTING CONTACT: 2008.12.15 TO 2013.12.15; CHANGE OF CONTRACT Name of requester: GUANGDONG NUCLEAR POWER JOINT VENTURING CO., LTD. Effective date: 20090622 |
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CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20081112 Termination date: 20211203 |
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CF01 | Termination of patent right due to non-payment of annual fee |