IT990210B - IMPROVEMENT IN BALL VALVES - Google Patents
IMPROVEMENT IN BALL VALVESInfo
- Publication number
- IT990210B IT990210B IT5195373A IT5195373A IT990210B IT 990210 B IT990210 B IT 990210B IT 5195373 A IT5195373 A IT 5195373A IT 5195373 A IT5195373 A IT 5195373A IT 990210 B IT990210 B IT 990210B
- Authority
- IT
- Italy
- Prior art keywords
- improvement
- ball valves
- valves
- ball
- 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
- F16K5/0673—Composite 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
- F16K—VALVES; TAPS; COCKS; ACTUATING-FLOATS; DEVICES FOR VENTING OR AERATING
- F16K27/00—Construction of housing; Use of materials therefor
- F16K27/06—Construction of housing; Use of materials therefor of taps or cocks
- F16K27/067—Construction of housing; Use of materials therefor of taps or cocks with spherical plugs
-
- 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
- F16K5/201—Special arrangements for separating the sealing faces or for pressing them together for plugs with spherical surfaces with the housing or parts of the housing mechanically pressing the seal against the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7230104A FR2212902A5 (en) | 1972-08-23 | 1972-08-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
IT990210B true IT990210B (en) | 1975-06-20 |
Family
ID=9103487
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT5195373A IT990210B (en) | 1972-08-23 | 1973-08-09 | IMPROVEMENT IN BALL VALVES |
Country Status (6)
Country | Link |
---|---|
BE (1) | BE803008A (en) |
CA (1) | CA992524A (en) |
DE (1) | DE2342069C3 (en) |
ES (1) | ES418129A1 (en) |
FR (1) | FR2212902A5 (en) |
IT (1) | IT990210B (en) |
Families Citing this family (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE3265483D1 (en) * | 1982-01-18 | 1985-09-26 | Hartmann Patentverwaltung Gmbh | Ball valve |
FR2551836B1 (en) * | 1983-09-14 | 1986-02-07 | Ind Valves Co Sa | MULTI-FUNCTIONAL DEVICE FOR THE OPERATION OF INDUSTRIAL PIPES |
DE3663184D1 (en) * | 1986-01-02 | 1989-06-08 | Hartmann Werner | Valve with a spherical plug |
DE3815893A1 (en) * | 1988-05-10 | 1989-11-23 | Borsig Gmbh | BALL VALVE |
DE4142626C2 (en) * | 1991-12-21 | 1996-03-14 | Adams Armaturen | Metallic sealing ball valve |
US5193573A (en) * | 1992-06-15 | 1993-03-16 | Chronister Clyde H | Ball valve having replaceable seals under full service pressure |
FR2786548B1 (en) * | 1998-12-01 | 2001-01-26 | Alstom Hydro | SEALED LOCKING DEVICE FOR A SHUTTER AND SPHERICAL TAP EQUIPPED WITH SUCH A DEVICE |
DE102006015173A1 (en) * | 2006-03-30 | 2007-10-11 | Viega Gmbh & Co. Kg | Valve e.g. ball valve, has two seals sealing connection pieces opposite to separating body, and two sealing elements provided in seals, where one element has smaller elasticity than another sealing element, and rests against separating body |
DE102007024625A1 (en) * | 2007-05-24 | 2008-11-27 | Michael Tappe | Plastics material ball-valve, has valve ball sealed relative to housing via annular sealing elements |
CN103557345B (en) | 2007-05-24 | 2016-01-20 | 迈克尔·坦普 | The valve ball that the plastics of ball valve are made |
-
1972
- 1972-08-23 FR FR7230104A patent/FR2212902A5/fr not_active Expired
-
1973
- 1973-07-30 BE BE134055A patent/BE803008A/en unknown
- 1973-08-09 IT IT5195373A patent/IT990210B/en active
- 1973-08-16 CA CA179,112A patent/CA992524A/en not_active Expired
- 1973-08-20 DE DE19732342069 patent/DE2342069C3/en not_active Expired
- 1973-08-23 ES ES418129A patent/ES418129A1/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
FR2212902A5 (en) | 1974-07-26 |
DE2342069C3 (en) | 1978-10-12 |
BE803008A (en) | 1974-01-30 |
ES418129A1 (en) | 1976-04-01 |
DE2342069A1 (en) | 1974-02-28 |
CA992524A (en) | 1976-07-06 |
DE2342069B2 (en) | 1978-02-09 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
IT1013242B (en) | IMPROVEMENT IN BALL VALVES | |
IT1013236B (en) | IMPROVEMENT IN VALVES WITH BALL MALE | |
BE784387A (en) | SHUT-OFF VALVE | |
IT967340B (en) | BALL VALVE DEVICE | |
BE795109A (en) | VALVE VALVE | |
IT977178B (en) | IMPROVEMENT IN TORSIOMETRIC WRENCHES | |
IT953794B (en) | BALL VALVE | |
IT991987B (en) | IMPROVEMENT IN BUTTERFLY VALVES | |
IT976835B (en) | IMPROVEMENT IN TORSIOMETRIC WRENCHES | |
BE784749A (en) | VALVE | |
IT958453B (en) | IMPROVEMENT IN THE CONTROL VALVE | |
BE797861A (en) | SERVO-PISTON SHUT-OFF VALVE | |
IT957565B (en) | IMPROVEMENT IN BUTTERFLY VALVES | |
IT985148B (en) | IMPROVEMENT IN MALE VALVES | |
IT990210B (en) | IMPROVEMENT IN BALL VALVES | |
IT980269B (en) | BALL VALVE COMPLEX | |
BE801110A (en) | 1,2,3,4-TETRAHYDROANTHRAQUINONES ALKOYLATED IN POSITION 2 | |
IT960929B (en) | IMPROVEMENT IN VALVES FOR SERVOMECHANISMS | |
BE802360A (en) | BALL BEARING | |
IT993855B (en) | IMPROVEMENTS RELATING TO VALVES | |
IT990668B (en) | VALVE | |
IT984244B (en) | BALL BUSH | |
IT1023369B (en) | PERFECTLY IN AND RELATING TO BALL VALVES | |
BE759557A (en) | BALL VALVE | |
IT979859B (en) | IMPROVEMENT IN FLOW VALVES |