IT7869556A0 - Perfezionamenti a valvole - Google Patents
Perfezionamenti a valvoleInfo
- Publication number
- IT7869556A0 IT7869556A0 IT7869556A IT6955678A IT7869556A0 IT 7869556 A0 IT7869556 A0 IT 7869556A0 IT 7869556 A IT7869556 A IT 7869556A IT 6955678 A IT6955678 A IT 6955678A IT 7869556 A0 IT7869556 A0 IT 7869556A0
- Authority
- IT
- Italy
- Prior art keywords
- valve
- valve improvements
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K1/00—Lift valves or globe valves, i.e. cut-off apparatus with closure members having at least a component of their opening and closing motion perpendicular to the closing faces
- F16K1/32—Details
- F16K1/34—Cutting-off parts, e.g. valve members, seats
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/02—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side
- F16K17/04—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded
- F16K17/0466—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on one side; closing on insufficient pressure on one side spring-loaded with a special seating surface
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB53086/77A GB1601130A (en) | 1977-12-20 | 1977-12-20 | Plunger valve |
Publications (1)
Publication Number | Publication Date |
---|---|
IT7869556A0 true IT7869556A0 (it) | 1978-11-08 |
Family
ID=10466578
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT7869556A IT7869556A0 (it) | 1977-12-20 | 1978-11-08 | Perfezionamenti a valvole |
Country Status (6)
Country | Link |
---|---|
US (1) | US4228987A (it) |
DE (2) | DE2852369A1 (it) |
FR (1) | FR2412767A1 (it) |
GB (1) | GB1601130A (it) |
IT (1) | IT7869556A0 (it) |
SE (1) | SE7812171L (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4553736A (en) * | 1981-12-17 | 1985-11-19 | American Standard Inc. | Pneumatic plunger-type valve |
US4659061A (en) * | 1985-10-15 | 1987-04-21 | Nupro Company | Seal ring shutoff stem tip |
US4688757A (en) * | 1986-08-11 | 1987-08-25 | Dresser Industries, Inc. | Soft seat Y pattern globe valve |
GB9126637D0 (en) * | 1991-12-16 | 1992-02-12 | Seetru Ltd | Improvements in safety valves with flat elastomeric seals |
DE9202203U1 (it) * | 1992-02-20 | 1992-04-16 | Albrecht Automatik Gmbh, 5024 Pulheim, De | |
US5618025A (en) * | 1996-05-23 | 1997-04-08 | Fisher Controls International, Inc. | Protected soft seat with secondary hard seat |
US7108013B2 (en) * | 2005-01-25 | 2006-09-19 | Man Lee-Liao | Relief valve assembly |
WO2007074321A1 (en) | 2005-12-28 | 2007-07-05 | Prysmian Cables & Systems Limited | Pressure relief valve |
DE102008064694B4 (de) * | 2008-11-21 | 2013-07-04 | Heinrichs Klaus | Entlüftungsventil mit schmal ausgeführter Dichtfläche |
DE102008058564B4 (de) * | 2008-11-21 | 2013-07-04 | Heinrichs Klaus | Entlüftungsventil mit Ent- und Belüftungsfunktion |
US8864106B2 (en) * | 2008-12-03 | 2014-10-21 | Emerson Process Management Regulator Technologies, Inc. | Valve seat apparatus having positive retention for use with fluid control devices |
US8776889B2 (en) * | 2010-07-14 | 2014-07-15 | Weatherford/Lamb, Inc. | Irregularly shaped flapper closure and sealing surfaces |
US9086157B2 (en) * | 2011-02-02 | 2015-07-21 | Parker-Hannifin Corporation | High-pressure face seal |
GB2517451A (en) | 2013-08-20 | 2015-02-25 | Seetru Ltd | A valve sealing arrangement |
LU92284B1 (en) | 2013-09-24 | 2015-03-25 | Luxembourg Patent Co Sa | Gas valve with rubber seal packing on the closing member |
KR102559207B1 (ko) * | 2018-05-30 | 2023-07-25 | 에이치엘만도 주식회사 | 체크밸브 |
JP6858930B2 (ja) * | 2018-05-30 | 2021-04-14 | Nok株式会社 | シールリング及び密封構造 |
LU101650B1 (en) * | 2020-02-25 | 2021-08-25 | Luxembourg Patent Co | Closing member of a gas valve for very high pressure |
US11953099B2 (en) * | 2020-03-30 | 2024-04-09 | Otto Egelhof Gmbh & Co. Kg | Valve arrangement and switching valve for regulating a mass flow |
EP3889476B1 (de) * | 2020-03-30 | 2023-11-29 | Otto Egelhof GmbH & Co. KG | Ventilanordnung und schaltventil zur regelung eines massenstromes |
EP4067708A1 (de) * | 2021-03-30 | 2022-10-05 | Otto Egelhof GmbH & Co. KG | Ventilanordnung und schaltventil zur regelung eines massenstromes |
Family Cites Families (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA596796A (en) * | 1960-04-26 | Grove Regulator Company | Valve construction | |
US2910267A (en) * | 1955-08-09 | 1959-10-27 | Hydra Power Corp | Valve sealing structure |
US2927767A (en) * | 1956-08-01 | 1960-03-08 | Air Associates Inc | Valve with seal construction |
US3051196A (en) * | 1958-10-24 | 1962-08-28 | Prec Equipment Co Inc | Check valve |
-
1977
- 1977-12-20 GB GB53086/77A patent/GB1601130A/en not_active Expired
-
1978
- 1978-11-08 IT IT7869556A patent/IT7869556A0/it unknown
- 1978-11-27 SE SE7812171A patent/SE7812171L/xx unknown
- 1978-11-27 US US05/963,802 patent/US4228987A/en not_active Expired - Lifetime
- 1978-11-27 FR FR7833420A patent/FR2412767A1/fr not_active Withdrawn
- 1978-12-04 DE DE19782852369 patent/DE2852369A1/de not_active Withdrawn
- 1978-12-04 DE DE19787835903U patent/DE7835903U1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
SE7812171L (sv) | 1979-06-21 |
DE7835903U1 (de) | 1979-03-08 |
DE2852369A1 (de) | 1979-07-05 |
US4228987A (en) | 1980-10-21 |
GB1601130A (en) | 1981-10-28 |
FR2412767A1 (fr) | 1979-07-20 |
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