IT1140419B - Elemento di tenuta caricato dalla pressione di un fluido,per valvole a farfalla - Google Patents
Elemento di tenuta caricato dalla pressione di un fluido,per valvole a farfallaInfo
- Publication number
- IT1140419B IT1140419B IT25911/81A IT2591181A IT1140419B IT 1140419 B IT1140419 B IT 1140419B IT 25911/81 A IT25911/81 A IT 25911/81A IT 2591181 A IT2591181 A IT 2591181A IT 1140419 B IT1140419 B IT 1140419B
- Authority
- IT
- Italy
- Prior art keywords
- fluid
- pressure
- sealing element
- butterfly valves
- element loaded
- 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
- F16K1/16—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 with pivoted closure-members
- F16K1/18—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 with pivoted closure-members with pivoted discs or flaps
- F16K1/22—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 with pivoted closure-members with pivoted discs or flaps with axis of rotation crossing the valve member, e.g. butterfly valves
- F16K1/226—Shaping or arrangements of the sealing
- F16K1/228—Movable sealing bodies
- F16K1/2285—Movable sealing bodies the movement being caused by the flowing medium
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US06/221,847 US4378104A (en) | 1980-12-31 | 1980-12-31 | Fluid-pressure-loaded seal for butterfly valves |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8125911A0 IT8125911A0 (it) | 1981-12-30 |
IT1140419B true IT1140419B (it) | 1986-09-24 |
Family
ID=22829654
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT25911/81A IT1140419B (it) | 1980-12-31 | 1981-12-30 | Elemento di tenuta caricato dalla pressione di un fluido,per valvole a farfalla |
Country Status (10)
Country | Link |
---|---|
US (1) | US4378104A (it) |
JP (1) | JPS57134072A (it) |
AU (1) | AU7874581A (it) |
BR (1) | BR8108423A (it) |
CA (1) | CA1176225A (it) |
DE (1) | DE3151787A1 (it) |
ES (2) | ES274382Y (it) |
FR (1) | FR2497317A1 (it) |
GB (1) | GB2090380A (it) |
IT (1) | IT1140419B (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
SE445382B (sv) * | 1984-09-27 | 1986-06-16 | Somas Ventiler | Tetningsanordning vid spjellventiler |
CA1276000C (en) * | 1985-06-24 | 1990-11-06 | William R. Hayes | Seal for high performance butterfly valve |
FR2606484B1 (fr) * | 1986-11-12 | 1989-03-24 | Coyard Expl Ets E R | Vanne papillon |
FR2609140B1 (fr) * | 1986-12-30 | 1989-04-21 | Coyard Expl Ets E R | Robinet a boisseau spherique |
US4836499A (en) * | 1987-09-14 | 1989-06-06 | Dynamic Air Inc. | Butterfly valves |
US6142173A (en) * | 1996-07-30 | 2000-11-07 | Spears Manufacturing Company | High purity corrosion resistant butterfly valve |
IT1294045B1 (it) * | 1997-04-11 | 1999-03-15 | Bruno Tubaro | Valvola a farfalla. |
JP2000250635A (ja) | 1999-02-26 | 2000-09-14 | Smc Corp | レギュレーター |
DE10204787A1 (de) * | 2002-02-06 | 2003-08-21 | Pierburg Gmbh | Klappenventil für Brennstoffaggregate |
US6793197B2 (en) * | 2003-01-30 | 2004-09-21 | Fisher Controls International, Inc. | Butterfly valve |
US6988708B2 (en) * | 2003-10-06 | 2006-01-24 | Dresser, Inc. | Low torque ball valve seat |
US7726339B2 (en) * | 2006-01-14 | 2010-06-01 | Dresser, Inc. | Seal cartridge control valve |
US7984892B2 (en) * | 2006-02-21 | 2011-07-26 | Ge Aviation Systems, Llc | Low friction butterfly ring |
US7651071B1 (en) * | 2008-09-16 | 2010-01-26 | Honeywell International Inc. | Valve assembly having a flat beam spring-energized seal mechanism |
US10428955B2 (en) * | 2012-06-25 | 2019-10-01 | Hamilton Sundstrand Corporation | Contamination resistant butterfly valve |
WO2014176262A1 (en) * | 2013-04-22 | 2014-10-30 | Dezurik, Inc. | Orbital seat in a butterfly valve |
US9927034B2 (en) * | 2015-08-25 | 2018-03-27 | Mueller International, Llc | Valve seat stiffener |
US9897214B2 (en) * | 2015-11-04 | 2018-02-20 | Honeywell International Inc. | Off-set and sine-wave shaped butterfly plate to reduce aero-torque and reduce actuator size |
JP6516710B2 (ja) * | 2016-01-22 | 2019-05-22 | 株式会社栗本鐵工所 | 多重偏心形バタフライ弁 |
CN107654675A (zh) * | 2017-10-31 | 2018-02-02 | 普雷沃流体控制科技(芜湖)有限公司 | 一种阀座为充气式的蝶阀 |
US11236830B2 (en) | 2019-04-30 | 2022-02-01 | Fisher Controls International Llc | Seal glands for butterfly valves |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB867577A (en) * | 1957-08-26 | 1961-05-10 | Grove Valve & Regulator Co | Improvements in or relating to fluid flow control valves |
US2965354A (en) * | 1957-08-26 | 1960-12-20 | Grove Valve & Regulator Co | Valve construction |
US3095177A (en) * | 1961-03-10 | 1963-06-25 | Frank G Muller | Valve assembly and seal forming means for the same |
US3129920A (en) * | 1961-07-31 | 1964-04-21 | Crawford K Stillwagon | Conduit connection and valve |
DE1500181A1 (de) * | 1965-05-25 | 1969-10-30 | Guenter Glaser | Dichtung fuer Absperrklappen |
US3583668A (en) * | 1969-08-14 | 1971-06-08 | Neles Oy | Tight shutoff butterfly valve assembly |
SE383402B (sv) * | 1973-10-15 | 1976-03-08 | Saab Scania Ab | Vridspjellventil |
US3986699A (en) * | 1974-07-02 | 1976-10-19 | Posi-Seal International, Inc. | Positive shut-off seal |
CA1080684A (en) * | 1977-03-15 | 1980-07-01 | Kenneth C. Simmons | Extended temperature range valve seal |
US4130285A (en) * | 1978-01-26 | 1978-12-19 | Walworth Company | Valve sealing device |
US4195815A (en) * | 1978-05-30 | 1980-04-01 | Litton Industrial Products, Inc. | Bidirectional valve for cryogenic fluids |
-
1980
- 1980-12-31 US US06/221,847 patent/US4378104A/en not_active Expired - Fee Related
-
1981
- 1981-12-11 CA CA000392152A patent/CA1176225A/en not_active Expired
- 1981-12-18 FR FR8124251A patent/FR2497317A1/fr not_active Withdrawn
- 1981-12-22 AU AU78745/81A patent/AU7874581A/en not_active Abandoned
- 1981-12-22 GB GB8138548A patent/GB2090380A/en active Pending
- 1981-12-28 JP JP56210098A patent/JPS57134072A/ja active Pending
- 1981-12-28 BR BR8108423A patent/BR8108423A/pt unknown
- 1981-12-29 DE DE19813151787 patent/DE3151787A1/de not_active Withdrawn
- 1981-12-30 ES ES1981274382U patent/ES274382Y/es not_active Expired
- 1981-12-30 IT IT25911/81A patent/IT1140419B/it active
-
1983
- 1983-05-31 ES ES1983272599U patent/ES272599Y/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US4378104A (en) | 1983-03-29 |
ES272599Y (es) | 1984-08-01 |
JPS57134072A (en) | 1982-08-19 |
CA1176225A (en) | 1984-10-16 |
DE3151787A1 (de) | 1982-07-15 |
BR8108423A (pt) | 1982-10-13 |
ES272599U (es) | 1984-01-16 |
FR2497317A1 (fr) | 1982-07-02 |
AU7874581A (en) | 1982-07-08 |
ES274382Y (es) | 1985-01-01 |
GB2090380A (en) | 1982-07-07 |
IT8125911A0 (it) | 1981-12-30 |
ES274382U (es) | 1984-06-16 |
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