IT1023346B - Disposizione di tenuta adatta inparticolare per valvole a o. - Google Patents
Disposizione di tenuta adatta inparticolare per valvole a o.Info
- Publication number
- IT1023346B IT1023346B IT5416674A IT5416674A IT1023346B IT 1023346 B IT1023346 B IT 1023346B IT 5416674 A IT5416674 A IT 5416674A IT 5416674 A IT5416674 A IT 5416674A IT 1023346 B IT1023346 B IT 1023346B
- Authority
- IT
- Italy
- Prior art keywords
- valves
- sealing arrangement
- arrangement suitable
- sealing
- arrangement
- 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
- F16K5/06—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
- F16K5/0668—Single packings
-
- 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
- F16J—PISTONS; CYLINDERS; SEALINGS
- F16J15/00—Sealings
- F16J15/16—Sealings between relatively-moving surfaces
- F16J15/32—Sealings between relatively-moving surfaces with elastic sealings, e.g. O-rings
-
- 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
- F16K1/2266—Shaping or arrangements of the sealing the sealing being arranged on the valve seat and being forced into sealing contact with the valve member by a spring or a spring-like member
-
- 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)
- Lift Valve (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US42177773A | 1973-12-05 | 1973-12-05 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1023346B true IT1023346B (it) | 1978-05-10 |
Family
ID=23672004
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT5416674A IT1023346B (it) | 1973-12-05 | 1974-11-21 | Disposizione di tenuta adatta inparticolare per valvole a o. |
Country Status (6)
Country | Link |
---|---|
JP (1) | JPS5086715A (it) |
CA (1) | CA1017314A (it) |
DE (1) | DE2454452A1 (it) |
FR (1) | FR2253959B1 (it) |
GB (1) | GB1477328A (it) |
IT (1) | IT1023346B (it) |
Families Citing this family (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4005848A (en) * | 1975-02-11 | 1977-02-01 | Fisher Controls Company, Inc. | Bidirectional pressure-assisted valve seal |
JPS5236326A (en) * | 1975-09-17 | 1977-03-19 | Kurimoto Ltd | Sealing mechanism of butterfly valve |
JPS608380B2 (ja) * | 1975-10-02 | 1985-03-02 | フイッシャ−・コントロ−ルズ・インタ−ナショナル・インコ−ポレ−テッド | 弁封鎖装置 |
DE2626666C2 (de) * | 1976-06-15 | 1986-05-22 | Josef 6200 Wiesbaden Nemetz | Klappenabsperrventil |
JPS5357331U (it) * | 1976-10-19 | 1978-05-16 | ||
DE2648519C2 (de) * | 1976-10-27 | 1986-04-17 | Josef 6200 Wiesbaden Nemetz | Klappenabsperrventil |
DE2724790A1 (de) * | 1977-05-27 | 1978-11-30 | Realmeca | Ringfoermiger sitz, insbesondere fuer ventile, schieber und haehne |
JPS5412128U (it) * | 1977-06-29 | 1979-01-26 | ||
JPS5435441U (it) * | 1977-08-16 | 1979-03-08 | ||
JPS54156238U (it) * | 1978-04-24 | 1979-10-30 | ||
US4241895A (en) * | 1978-04-26 | 1980-12-30 | Fmc Corporation | Annular resilient metal valve seat |
DE2829066C2 (de) * | 1978-07-01 | 1982-05-06 | Klein, Schanzlin & Becker Ag, 6710 Frankenthal | Dichtung für eine Absperrklappe |
JPS5650862U (it) * | 1979-09-28 | 1981-05-06 | ||
JPS5659062A (en) * | 1979-10-19 | 1981-05-22 | Takakazu Oshima | Valve seat structure for butterfly-type check valve |
FR2496217A1 (fr) * | 1980-12-12 | 1982-06-18 | Realisations Meca Ste Meusienn | Dispositif d'etancheite pour vanne |
US4505290A (en) * | 1983-02-03 | 1985-03-19 | Keystone International, Inc. | Valve seat assembly and valve |
FR2559232B1 (fr) * | 1984-02-03 | 1986-08-22 | Marine Ind Petrole | Vanne a papillon spherique |
US4750708A (en) * | 1986-04-23 | 1988-06-14 | Whitey Co. | High strength ball valve seat assembly |
JP3017816B2 (ja) * | 1991-02-20 | 2000-03-13 | 清原 まさ子 | 流体制御器 |
FR2882585B1 (fr) * | 2005-02-25 | 2008-10-10 | Ksb Sas Soc Par Actions Simpli | Robinet a siege a levres |
GB2555495B (en) * | 2016-12-22 | 2021-05-26 | Zennex Special Products Ltd | Sealing system for a butterfly element |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3563510A (en) * | 1969-08-06 | 1971-02-16 | Hills Mccanna Co | Valve sealed by calking ring anchored in support groove |
JPS5115613B2 (it) * | 1972-02-10 | 1976-05-18 |
-
1974
- 1974-11-04 CA CA212,920A patent/CA1017314A/en not_active Expired
- 1974-11-08 GB GB4833174A patent/GB1477328A/en not_active Expired
- 1974-11-16 DE DE19742454452 patent/DE2454452A1/de not_active Withdrawn
- 1974-11-21 IT IT5416674A patent/IT1023346B/it active
- 1974-11-26 JP JP13523774A patent/JPS5086715A/ja active Pending
- 1974-12-04 FR FR7439653A patent/FR2253959B1/fr not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2253959A1 (it) | 1975-07-04 |
DE2454452A1 (de) | 1975-07-03 |
CA1017314A (en) | 1977-09-13 |
FR2253959B1 (it) | 1981-08-21 |
GB1477328A (en) | 1977-06-22 |
JPS5086715A (it) | 1975-07-12 |
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