FI74336B - Excentrisk ventil med sjaelvcentrerande saete. - Google Patents
Excentrisk ventil med sjaelvcentrerande saete. Download PDFInfo
- Publication number
- FI74336B FI74336B FI840558A FI840558A FI74336B FI 74336 B FI74336 B FI 74336B FI 840558 A FI840558 A FI 840558A FI 840558 A FI840558 A FI 840558A FI 74336 B FI74336 B FI 74336B
- Authority
- FI
- Finland
- Prior art keywords
- valve
- sealing
- ring
- seat ring
- pressure
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/08—Details
- F16K5/14—Special arrangements for separating the sealing faces or for pressing them together
- F16K5/20—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces
- F16K5/204—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the plugs or parts of the plugs mechanically pressing the seals against the housing
-
- 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
- F16K1/2263—Shaping or arrangements of the sealing the sealing being arranged on the valve seat
-
- 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
-
- 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
- F16K5/00—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary
- F16K5/06—Plug valves; Taps or cocks comprising only cut-off apparatus having at least one of the sealing faces shaped as a more or less complete surface of a solid of revolution, the opening and closing movement being predominantly rotary with plugs having spherical surfaces; Packings therefor
- F16K5/0663—Packings
- F16K5/0673—Composite packings
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
- Lift Valve (AREA)
- Sliding Valves (AREA)
Claims (11)
1. Vätskeventil omfattande: en stomme (11) med en ventilkammare, vilken definie-5 rar en huvudsakligen cirkelrund vätskeport (13), som etab-lerar en första axel i ventilkammaren, lager (56, 57) i stommen (11), vilka definierar en andra axel i ventilkammaren, vilken axel gär vinkelrätt mot och är förskjuten frän den första axeln, 10 ett ventilskaft (54), vilket roterbart monterats i lagren (56, 57) och sträcker sig ytterom stommen (11), en ventilplugg (51), vilken har en sfäriskt konvex tätningsyta och monterats pä ventilskaftet (54) för begrän-sad excentrisk rörelse kring en andra axel mot och bort frän 15 porten som gensvar pä rörelse hos ventilskaftet (54), en separat ringformig sätesring (20) , vilken lämpar sig för tätande samverkan med den sfäriskt konvexa tätnings-ytan av ventilpluggen (51) för blockering av vätskeström-ningen genom porten (13), 20 kännetecknad av en fördjupning (30) i stommen (11), vilken fördjupning uppbär den ringformiga sätesringen (20) för begränsad rörelse bäde axiellt utmed och pä tvären av den första axeln av porten (13) sä, att ventilpluggen (51) försöker centrera den 25 runda sätesringen under stängandet av ventilen, och en trycktätningsanordning (24) mellan den ringformiga sätesringen (20) och stommen (11) för blockering av vätske-läckage.
2. Ventil enligt patentkravet 1, känneteck-30 n a d därav, att trycktätningsanordningen (24) ökar sin verkan med tryck.
3. Ventil enligt patentkravet 1, kännetecknad därav, att ringformiga sätesringen (20) och stommen (11) inkluderar ett ringformigt spär (21) för kvarhällande 35 av tryckintätningsanordningen (24) .
4. Ventil enligt patentkravet 3, känneteck- 18 74336 n a d därav, att hällarmedlet omfattar ett parti av stommen under definierade av en första tätningsyta (31), vilken samverkar med trycktätningsanordningen (24), och att det ytterligare inkluderar en hällarring (40), vilken 5 är fäst vid stommen i kammaren och definierar en andra tätningsyta (43) , vilken samverkar med sätesringen (20).
5. Ventil enligt patentkravet 4, känneteck-n a d därav, att trycktätningsanordningen inkluderar tvä huvudsakligen "C'-formade tätningar (24), och att en ränna 10 anordnats invid den ena tätningsytan för kvarhällande av tätningarna.
6. Ventil enligt patentkravet 3, känneteck-n a d därav, att trycktätningarna (24) placerats för att inverka pä den yttre periferiska ytan av den ringformiga 15 sätesringen (520) och att de betstär av tvä motsatt var-andra vända, huvudsakligen f1-formade tätningar (24).
7. Ventil enligt patentkravet 5, känneteck-n a d därav, att den ringformiga sätesringen inkluderar en första ringformig ränna (21) för kvarhällande av den 20 första trycktätningen för samverkan med den första tätningsytan (31), och en andra ringformig ränna (23) för kvarhällande av den andra trycktätningen för samverkan med den andra tätningsytan (43).
8. Ventil enligt patentkravet 7, känneteck-25 n a d därav, att stommen (11) inkluderar en ansats (32), vilken erbjuder en stoppare för hällarringen (40) och definierar ett avständ mellan den första och den andra tätningsytan, varvid den ringformiga sätesringen (20) har en tjocklek som är nägot mindre än det nämnda avständet och 30 ^formade tätningarna ästadkommer tätningsverkan över ett avständ som är större än den nämnda skillnaden.
9. Ventil enligt patentkravet 4, känneteck-n a d därav, att trycktätningsanordningen omfattar ett par av huvudsakligen t^formade runda tätningsringar och 35 att en första ringformig ränna (33) utformats i stompartiet och en andra ringformig ränna (44) i hällarringen, varvid
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US46618683 | 1983-02-14 | ||
US06/466,186 US4519579A (en) | 1983-02-14 | 1983-02-14 | Cam valve self-centering seat |
Publications (4)
Publication Number | Publication Date |
---|---|
FI840558A0 FI840558A0 (fi) | 1984-02-13 |
FI840558A FI840558A (fi) | 1984-08-15 |
FI74336B true FI74336B (fi) | 1987-09-30 |
FI74336C FI74336C (sv) | 1988-01-11 |
Family
ID=23850843
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FI840558A FI74336C (sv) | 1983-02-14 | 1984-02-13 | Excentrisk ventil med självcentrerande säte. |
Country Status (6)
Country | Link |
---|---|
US (1) | US4519579A (sv) |
EP (1) | EP0116530B1 (sv) |
JP (1) | JPS59205072A (sv) |
CA (1) | CA1225980A (sv) |
DE (1) | DE3463077D1 (sv) |
FI (1) | FI74336C (sv) |
Families Citing this family (64)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB8503504D0 (en) * | 1985-02-12 | 1985-03-13 | Fort Vale Eng Ltd | Butterfly valves |
LU87467A1 (fr) * | 1989-03-06 | 1990-10-02 | Wurth Paul Sa | Dispositif d'obturation de conduites de transport de produits en vrac |
JPH0323262U (sv) * | 1989-07-18 | 1991-03-11 | ||
DE9217697U1 (de) * | 1992-12-31 | 1993-02-25 | Arca Regler GmbH, 4154 Tönisvorst | Klappenventil |
JP3848447B2 (ja) * | 1996-09-25 | 2006-11-22 | 喜 順 李 | ディスク加圧型バタフライバルブ |
US6391171B1 (en) * | 1997-05-01 | 2002-05-21 | Applied Materials, Inc. | Flangeless feed through |
US6378842B1 (en) * | 2000-07-20 | 2002-04-30 | Delaware Capital Formation, Inc. | V-ball control valve |
ES2187268B1 (es) * | 2001-04-02 | 2004-11-01 | Fagor, S, Coop. | Valvula de distribucion del agua en un lavavajillas. |
US7066447B2 (en) * | 2001-04-18 | 2006-06-27 | Fisher Controls International Llc. | Sleeve valve with adjustable flow characteristics |
US6974121B2 (en) * | 2002-03-19 | 2005-12-13 | Fisher Controls International, Inc. | Fluid flow control valve with bi-directional shutoff |
US7484710B2 (en) * | 2002-03-19 | 2009-02-03 | Fisher Controls International Llc | Fluid flow control valve with high temperature bi-directional shutoff |
US20040183046A1 (en) * | 2003-03-19 | 2004-09-23 | Bickell Anthony J. | Anti-scaling control element for a rotary control valve |
GB0504055D0 (en) * | 2005-02-26 | 2005-04-06 | Red Spider Technology Ltd | Valve |
US20060231786A1 (en) * | 2005-04-18 | 2006-10-19 | Fisher Controls International Llc | Fluid flow control valve with composition seal |
US8177189B2 (en) * | 2006-11-06 | 2012-05-15 | The Viking Corporation | Fire protection control valve with rotating plug |
US8100102B2 (en) * | 2006-12-28 | 2012-01-24 | Perkins Engines Company Limited | Cylinder head for an internal combustion engine |
US8100144B2 (en) * | 2006-12-28 | 2012-01-24 | Perkins Engines Company Limited | Mounting arrangement for a rotary valve |
US8342204B2 (en) | 2006-12-28 | 2013-01-01 | Perkins Engines Company Limited | Rotary valve for use in an internal combustion engine |
DE102008011416A1 (de) * | 2008-02-27 | 2009-09-10 | Continental Automotive Gmbh | Turbolader mit einer Betätigungseinrichtung zum Öffnen und Schließen eines Wastegate-Kanals |
US8281810B2 (en) * | 2008-04-30 | 2012-10-09 | The Viking Corporation | Dry valve for sprinkler system |
US8186646B2 (en) * | 2008-06-06 | 2012-05-29 | Fisher Controls International, Llc | Valve trim retention apparatus |
US9982789B2 (en) | 2009-12-07 | 2018-05-29 | Cameron International Corporation | Self-relieving ball valve seat |
US8733733B2 (en) | 2010-04-30 | 2014-05-27 | Fisher Controls International Llc | Sleeve seal assembly and rotary valve having sleeve seal assembly |
US8496226B2 (en) * | 2010-04-30 | 2013-07-30 | Fisher Controls International Llc | Floating ball valve seal with bellows and C-seal |
US8720854B2 (en) * | 2010-04-30 | 2014-05-13 | Fisher Controls International Llc | Floating ball valve seal with dynamic C-seal and static C-seal |
FR2962185B1 (fr) * | 2010-06-30 | 2013-08-23 | Valeo Sys Controle Moteur Sas | Vanne de circulation de fluide |
JP5690537B2 (ja) * | 2010-09-28 | 2015-03-25 | 株式会社ケーヒン | 流路開閉弁 |
JP5615117B2 (ja) * | 2010-09-28 | 2014-10-29 | 株式会社ケーヒン | 流路開閉弁 |
JP5362121B2 (ja) * | 2010-10-29 | 2013-12-11 | 株式会社アルバック | 凍結真空乾燥装置及び凍結粒子製造方法 |
US9739391B2 (en) * | 2011-01-06 | 2017-08-22 | Smith & Loveless, Inc. | Check valve for a pipe section |
US8459022B2 (en) * | 2011-02-17 | 2013-06-11 | Honeywell International Inc. | Wastegate plug |
US20120217426A1 (en) * | 2011-02-24 | 2012-08-30 | Andrew James Berthelsen | Valve apparatus having a double-offset shaft connection |
US9079145B2 (en) * | 2011-06-16 | 2015-07-14 | Hemlock Semiconductor Corporation | Solids processing valve |
GB2495504B (en) | 2011-10-11 | 2018-05-23 | Halliburton Mfg & Services Limited | Downhole valve assembly |
GB2497913B (en) | 2011-10-11 | 2017-09-20 | Halliburton Mfg & Services Ltd | Valve actuating apparatus |
GB2497506B (en) | 2011-10-11 | 2017-10-11 | Halliburton Mfg & Services Ltd | Downhole contingency apparatus |
GB2495502B (en) | 2011-10-11 | 2017-09-27 | Halliburton Mfg & Services Ltd | Valve actuating apparatus |
NO20111487A1 (no) * | 2011-11-01 | 2013-01-21 | Terje Haaland As | Tetningsanordning for ventil |
JP2013199887A (ja) * | 2012-03-26 | 2013-10-03 | Keihin Corp | 排気ガス再循環バルブ |
JP6203504B2 (ja) * | 2013-02-18 | 2017-09-27 | コスモ工機株式会社 | 分岐装置 |
DE112014001077T5 (de) * | 2013-03-28 | 2015-11-19 | Borgwarner Inc. | Wastegate-Kugelventil |
US9140369B2 (en) | 2013-10-15 | 2015-09-22 | Fisher Controls International Llc | Floating ball valve seal |
JP6271259B2 (ja) * | 2014-01-10 | 2018-01-31 | 株式会社不二工機 | 制御弁 |
JP6390703B2 (ja) * | 2014-06-11 | 2018-09-19 | 株式会社Ihi | 過給機 |
CN104315190A (zh) * | 2014-09-18 | 2015-01-28 | 浙江中控流体技术有限公司 | 一种偏心旋转阀阀芯锁紧装置 |
CN105587882A (zh) * | 2014-10-24 | 2016-05-18 | 江苏神通阀门股份有限公司 | 一种偏心旋转调节阀 |
US10914387B2 (en) * | 2016-04-20 | 2021-02-09 | Fisher Controls International Llc | Rotary control valve having a clamped valve seat |
JP6371890B2 (ja) * | 2017-08-03 | 2018-08-08 | コスモ工機株式会社 | 分岐装置 |
CN107387802A (zh) * | 2017-08-31 | 2017-11-24 | 江苏瑞朗博机械设备有限公司 | 一种内置压缩变形阀座的偏心双球面密封阀 |
CN111542714B (zh) * | 2018-01-10 | 2022-06-07 | 旭有机材株式会社 | 蝶形阀 |
DE102018123724A1 (de) * | 2018-09-26 | 2020-03-26 | Johnson Electric Germany GmbH & Co. KG | Dichtungssystem für ein Ventil |
GB2581849B (en) * | 2019-03-01 | 2023-06-28 | Schenck Process Europe Gmbh | Valve with pressure seal protection |
GB2583368B (en) * | 2019-04-25 | 2021-10-13 | Schenck Process Europe Gmbh | Dome valve adjustable top plate |
US11054043B2 (en) | 2019-06-06 | 2021-07-06 | Robert Bosch Llc | Fluid valve assembly including fluid driven sealing |
US10914390B2 (en) | 2019-06-06 | 2021-02-09 | Robert Bosch Llc | Fluid valve assembly including valve body with seal retention features |
US11112015B2 (en) * | 2019-06-06 | 2021-09-07 | Robert Bosch Llc | Fluid valve assembly including seal having retention features |
US11953113B2 (en) * | 2020-02-14 | 2024-04-09 | Crane Chempharma & Energy Corp. | Valve with unobstructed flow path having increased flow coefficient |
US11841089B2 (en) | 2020-02-14 | 2023-12-12 | Crane Chempharma & Energy Corp. | Valve with unobstructed flow path having increased flow coefficient |
US11519509B2 (en) | 2020-02-14 | 2022-12-06 | Crane Chempharma & Energy Corp. | Valve with unobstructed flow path having increased flow coefficient |
US11946557B2 (en) * | 2020-02-14 | 2024-04-02 | Crane Chempharma & Energy Corp. | Valve with unobstructed flow path having increased flow coefficient |
CN113062996B (zh) * | 2021-03-16 | 2022-09-13 | 瑞昌市金宇铜业制造有限公司 | 一种防磨损的球阀 |
US11686392B2 (en) * | 2021-04-06 | 2023-06-27 | Seaworthy Innovations, LLC | Scupper valve |
US20230323959A1 (en) * | 2022-04-06 | 2023-10-12 | Sullivan Process Controls Llc | Eccentric process control valve |
CN117759740B (zh) * | 2024-02-22 | 2024-05-10 | 统宇流体科技有限公司 | 偏心半球阀 |
Family Cites Families (22)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CA681649A (en) * | 1964-03-10 | E. Swain Frank | Butterfly valves | |
GB1050982A (sv) * | 1900-01-01 | |||
US1859039A (en) * | 1927-09-16 | 1932-05-17 | Bryan P Joyce | Packing |
US2454160A (en) * | 1943-08-31 | 1948-11-16 | Pfaudler Co Inc | Corrosion resisting valve |
US3063467A (en) * | 1960-04-08 | 1962-11-13 | Mission Mfg Co | Valve seats |
US3192690A (en) * | 1963-01-03 | 1965-07-06 | Dudley D Taylor | Sealing ring with e-shaped radial section |
FR1368534A (fr) * | 1963-09-06 | 1964-07-31 | Vanne avec dispositif d'étanchéité annulaire | |
US3250510A (en) * | 1964-02-18 | 1966-05-10 | Crane Co | Self-adjustable seats for butterfly valves or the like |
GB1225567A (sv) * | 1969-04-03 | 1971-03-17 | ||
US3623696A (en) * | 1969-12-30 | 1971-11-30 | Masoneilan Int Inc | Eccentric, sealless, rotary valve for flow control |
US3870071A (en) * | 1974-01-16 | 1975-03-11 | Valve Syst Int Inc | Swing check seal assembly |
CA1034107A (en) * | 1975-02-11 | 1978-07-04 | Edward B. Myers | Rotary valve |
FR2364386A1 (fr) * | 1976-09-09 | 1978-04-07 | Commissariat Energie Atomique | Joint annulaire flexible |
JPS53122937A (en) * | 1977-04-01 | 1978-10-26 | Yamatake Honeywell Co Ltd | Sealed type rotary valve |
DE2716744A1 (de) * | 1977-04-15 | 1978-10-19 | Kamyr Valves | Klappenventil |
US4162782A (en) * | 1978-04-10 | 1979-07-31 | Acf Industries, Incorporated | Seal assembly for butterfly valve |
DE2848130A1 (de) * | 1978-11-06 | 1980-05-14 | Westad Armaturfab | Vorrichtung bei einem drehklappenventil |
US4281942A (en) * | 1978-11-13 | 1981-08-04 | General Electric Company | Lubrication system for high speed spline connection and bearing |
US4230139A (en) * | 1978-11-13 | 1980-10-28 | Domer Scaramucci | Disc valve |
US4290581A (en) * | 1979-09-21 | 1981-09-22 | Acf Industries, Incorporated | Seat assembly for ball valves |
US4335748A (en) * | 1980-04-14 | 1982-06-22 | Posi-Seal International, Inc. | Bidirectional control valve |
JPS58500669A (ja) * | 1981-05-07 | 1983-04-28 | ビ−・シ−・リチャ−ズ・アンド・カンパニ−・プロプライアタリ−・リミテッド | 防爆バルブ |
-
1983
- 1983-02-14 US US06/466,186 patent/US4519579A/en not_active Expired - Lifetime
-
1984
- 1984-02-13 CA CA000447250A patent/CA1225980A/en not_active Expired
- 1984-02-13 EP EP84870019A patent/EP0116530B1/en not_active Expired
- 1984-02-13 JP JP59024941A patent/JPS59205072A/ja active Granted
- 1984-02-13 FI FI840558A patent/FI74336C/sv not_active IP Right Cessation
- 1984-02-13 DE DE8484870019T patent/DE3463077D1/de not_active Expired
Also Published As
Publication number | Publication date |
---|---|
DE3463077D1 (en) | 1987-05-14 |
FI74336C (sv) | 1988-01-11 |
US4519579A (en) | 1985-05-28 |
CA1225980A (en) | 1987-08-25 |
JPS59205072A (ja) | 1984-11-20 |
EP0116530A1 (en) | 1984-08-22 |
EP0116530B1 (en) | 1987-04-08 |
FI840558A0 (fi) | 1984-02-13 |
JPH0326296B2 (sv) | 1991-04-10 |
FI840558A (fi) | 1984-08-15 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
FI74336B (fi) | Excentrisk ventil med sjaelvcentrerande saete. | |
US5707040A (en) | Replaceable seal members for butterfly valve | |
CA1106344A (en) | Ball valve with readily removable ball and seats for high temperature environment | |
JP5960685B2 (ja) | 蛇腹およびc字形シールを有するフローティングボールバルブのシール | |
US4003394A (en) | Disc valve with improved seal ring | |
EP2829777B1 (en) | Ball valve seal with dynamic c-seal and static c-seal | |
JP6649272B2 (ja) | 回転弁と鉄道車両用急速排気弁 | |
US4940208A (en) | Ball valve | |
US3894718A (en) | Ball valve | |
EP1977147B1 (en) | Cartridge seal control valve | |
JP3198114B2 (ja) | 改良された弁座及び弁覆いの組立体を有するボール弁 | |
AU2011245550A1 (en) | Floating ball valve seal with bellows and C-seal | |
US20080072977A1 (en) | Pilot-operated valves and manifold assemblies | |
US9816625B2 (en) | Seal carriers for ball valves, ball valve assemblies including such seal carriers, and related methods | |
CA2250737C (en) | Bi-directional valve seal mechanism | |
EP0060620B1 (en) | Fire safe seat for a valve | |
EP0454768B1 (en) | Ball valve | |
US6830069B2 (en) | Isolation valve assembly | |
US6079695A (en) | Butterfly valve construction | |
US11808372B1 (en) | Disc coolant valve with self-leveling flow control disc | |
US3477691A (en) | Spherical plug valve | |
EP0401443A1 (en) | Low torque ball valve | |
CN219119872U (zh) | 分向阀结构 | |
EP0116719A2 (en) | Combination spring seal for ball valves | |
KR200297444Y1 (ko) | 버터플라이밸브의 메탈시트 실링장치 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
MM | Patent lapsed |
Owner name: FISHER CONTROLS INTERNATIONAL, INC. |