FR2469629A1 - Vanne a obturateur spherique - Google Patents
Vanne a obturateur spherique Download PDFInfo
- Publication number
- FR2469629A1 FR2469629A1 FR7927532A FR7927532A FR2469629A1 FR 2469629 A1 FR2469629 A1 FR 2469629A1 FR 7927532 A FR7927532 A FR 7927532A FR 7927532 A FR7927532 A FR 7927532A FR 2469629 A1 FR2469629 A1 FR 2469629A1
- Authority
- FR
- France
- Prior art keywords
- valve
- ball
- ball valve
- pref
- plastics
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 238000007789 sealing Methods 0.000 title claims abstract description 8
- 238000007667 floating Methods 0.000 title claims abstract description 7
- 229920003023 plastic Polymers 0.000 title abstract 2
- 239000004033 plastic Substances 0.000 title abstract 2
- 229920000915 polyvinyl chloride Polymers 0.000 title description 7
- 239000004800 polyvinyl chloride Substances 0.000 title description 7
- 229920002994 synthetic fiber Polymers 0.000 claims description 10
- 229920001971 elastomer Polymers 0.000 claims description 7
- 239000000806 elastomer Substances 0.000 claims description 5
- 239000005060 rubber Substances 0.000 claims description 2
- 239000000853 adhesive Substances 0.000 abstract description 2
- 230000001070 adhesive effect Effects 0.000 abstract description 2
- HQQADJVZYDDRJT-UHFFFAOYSA-N ethene;prop-1-ene Chemical group C=C.CC=C HQQADJVZYDDRJT-UHFFFAOYSA-N 0.000 abstract description 2
- CWQXQMHSOZUFJS-UHFFFAOYSA-N molybdenum disulfide Chemical compound S=[Mo]=S CWQXQMHSOZUFJS-UHFFFAOYSA-N 0.000 abstract description 2
- 229910052982 molybdenum disulfide Inorganic materials 0.000 abstract description 2
- 229920003052 natural elastomer Polymers 0.000 abstract description 2
- 229920001194 natural rubber Polymers 0.000 abstract description 2
- 238000003466 welding Methods 0.000 abstract description 2
- 244000043261 Hevea brasiliensis Species 0.000 abstract 1
- 230000008878 coupling Effects 0.000 abstract 1
- 238000010168 coupling process Methods 0.000 abstract 1
- 238000005859 coupling reaction Methods 0.000 abstract 1
- 229910052961 molybdenite Inorganic materials 0.000 abstract 1
- 229920001084 poly(chloroprene) Polymers 0.000 abstract 1
- 229920001897 terpolymer Polymers 0.000 abstract 1
- 229920001343 polytetrafluoroethylene Polymers 0.000 description 6
- 239000004810 polytetrafluoroethylene Substances 0.000 description 6
- 239000013013 elastic material Substances 0.000 description 4
- 238000005304 joining Methods 0.000 description 4
- 239000012530 fluid Substances 0.000 description 3
- 229920003051 synthetic elastomer Polymers 0.000 description 3
- 239000005061 synthetic rubber Substances 0.000 description 3
- 238000004891 communication Methods 0.000 description 2
- 238000001746 injection moulding Methods 0.000 description 2
- 238000004519 manufacturing process Methods 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 229920003002 synthetic resin Polymers 0.000 description 2
- 239000000057 synthetic resin Substances 0.000 description 2
- XUKUURHRXDUEBC-KAYWLYCHSA-N Atorvastatin Chemical compound C=1C=CC=CC=1C1=C(C=2C=CC(F)=CC=2)N(CC[C@@H](O)C[C@@H](O)CC(O)=O)C(C(C)C)=C1C(=O)NC1=CC=CC=C1 XUKUURHRXDUEBC-KAYWLYCHSA-N 0.000 description 1
- YACLQRRMGMJLJV-UHFFFAOYSA-N chloroprene Chemical compound ClC(=C)C=C YACLQRRMGMJLJV-UHFFFAOYSA-N 0.000 description 1
- 230000000052 comparative effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000013536 elastomeric material Substances 0.000 description 1
- 230000004927 fusion Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 229910052751 metal Inorganic materials 0.000 description 1
- 239000002184 metal Substances 0.000 description 1
- -1 polytetrafluoroethylene Polymers 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
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
- 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
- F16K5/0678—Composite packings in which only one of the components of the composite packing is contacting the plug
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Taps Or Cocks (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7927532A FR2469629A1 (fr) | 1979-11-08 | 1979-11-08 | Vanne a obturateur spherique |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7927532A FR2469629A1 (fr) | 1979-11-08 | 1979-11-08 | Vanne a obturateur spherique |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2469629A1 true FR2469629A1 (fr) | 1981-05-22 |
| FR2469629B3 FR2469629B3 (Direct) | 1982-07-23 |
Family
ID=9231427
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7927532A Granted FR2469629A1 (fr) | 1979-11-08 | 1979-11-08 | Vanne a obturateur spherique |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2469629A1 (Direct) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2651295A1 (fr) * | 1989-08-25 | 1991-03-01 | Spirax Sarco | Robinet a element spherique tournant utilisable plus particulierement pour le transport de fluides inflammables tels que les hydrocarbures. |
-
1979
- 1979-11-08 FR FR7927532A patent/FR2469629A1/fr active Granted
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2651295A1 (fr) * | 1989-08-25 | 1991-03-01 | Spirax Sarco | Robinet a element spherique tournant utilisable plus particulierement pour le transport de fluides inflammables tels que les hydrocarbures. |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2469629B3 (Direct) | 1982-07-23 |
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