FR2259300A1 - Automatic safety shut-off valve for low pressure gas - has extension of diaphragm valve disc sliding through seal - Google Patents
Automatic safety shut-off valve for low pressure gas - has extension of diaphragm valve disc sliding through sealInfo
- Publication number
- FR2259300A1 FR2259300A1 FR7403886A FR7403886A FR2259300A1 FR 2259300 A1 FR2259300 A1 FR 2259300A1 FR 7403886 A FR7403886 A FR 7403886A FR 7403886 A FR7403886 A FR 7403886A FR 2259300 A1 FR2259300 A1 FR 2259300A1
- Authority
- FR
- France
- Prior art keywords
- valve
- diaphragm
- extension
- seal
- low pressure
- 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
- QSHDDOUJBYECFT-UHFFFAOYSA-N mercury Chemical compound [Hg] QSHDDOUJBYECFT-UHFFFAOYSA-N 0.000 abstract 3
- 229910052753 mercury Inorganic materials 0.000 abstract 3
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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/20—Excess-flow valves
-
- 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
- F16K17/00—Safety valves; Equalising valves, e.g. pressure relief valves
- F16K17/18—Safety valves; Equalising valves, e.g. pressure relief valves opening on surplus pressure on either side
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Safety Valves (AREA)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7403886A FR2259300A1 (en) | 1974-01-28 | 1974-01-28 | Automatic safety shut-off valve for low pressure gas - has extension of diaphragm valve disc sliding through seal |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| FR7403886A FR2259300A1 (en) | 1974-01-28 | 1974-01-28 | Automatic safety shut-off valve for low pressure gas - has extension of diaphragm valve disc sliding through seal |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| FR2259300A1 true FR2259300A1 (en) | 1975-08-22 |
| FR2259300B1 FR2259300B1 (enExample) | 1977-06-10 |
Family
ID=9134533
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| FR7403886A Granted FR2259300A1 (en) | 1974-01-28 | 1974-01-28 | Automatic safety shut-off valve for low pressure gas - has extension of diaphragm valve disc sliding through seal |
Country Status (1)
| Country | Link |
|---|---|
| FR (1) | FR2259300A1 (enExample) |
-
1974
- 1974-01-28 FR FR7403886A patent/FR2259300A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2259300B1 (enExample) | 1977-06-10 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| ST | Notification of lapse |