IT9019011A0 - EXTREMELY HIGH PURITY GAS VALVE WITH AN ELASTIC SEAL - Google Patents
EXTREMELY HIGH PURITY GAS VALVE WITH AN ELASTIC SEALInfo
- Publication number
- IT9019011A0 IT9019011A0 IT19011A IT1901190A IT9019011A0 IT 9019011 A0 IT9019011 A0 IT 9019011A0 IT 19011 A IT19011 A IT 19011A IT 1901190 A IT1901190 A IT 1901190A IT 9019011 A0 IT9019011 A0 IT 9019011A0
- Authority
- IT
- Italy
- Prior art keywords
- high purity
- extremely high
- gas valve
- elastic seal
- purity gas
- 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
- F16K7/00—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves
- F16K7/18—Diaphragm valves or cut-off apparatus, e.g. with a member deformed, but not moved bodily, to close the passage ; Pinch valves with diaphragm secured at one side only, e.g. to be laid on the seat by rolling action
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Lift Valve (AREA)
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT01901190A IT1237943B (en) | 1990-01-05 | 1990-01-05 | EXTREMELY HIGH PURITY GAS VALVE WITH ELASTIC SEAL |
BE9001241A BE1004094A6 (en) | 1990-01-05 | 1990-12-24 | Valve of very high purity intended for gases, fitted with a spring seal |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT01901190A IT1237943B (en) | 1990-01-05 | 1990-01-05 | EXTREMELY HIGH PURITY GAS VALVE WITH ELASTIC SEAL |
Publications (3)
Publication Number | Publication Date |
---|---|
IT9019011A0 true IT9019011A0 (en) | 1990-01-05 |
IT9019011A1 IT9019011A1 (en) | 1991-07-06 |
IT1237943B IT1237943B (en) | 1993-06-19 |
Family
ID=11153836
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT01901190A IT1237943B (en) | 1990-01-05 | 1990-01-05 | EXTREMELY HIGH PURITY GAS VALVE WITH ELASTIC SEAL |
Country Status (2)
Country | Link |
---|---|
BE (1) | BE1004094A6 (en) |
IT (1) | IT1237943B (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2004031630A1 (en) * | 2002-10-04 | 2004-04-15 | Pbt (Ip) Limited | Gas valve with proportional output |
GB0223064D0 (en) * | 2002-10-04 | 2002-11-13 | Pbt Ip Ltd | Gas valve with proportional output |
EP1970608B1 (en) * | 2007-03-10 | 2009-09-23 | Festo AG & Co. KG | Choke valve |
-
1990
- 1990-01-05 IT IT01901190A patent/IT1237943B/en active IP Right Grant
- 1990-12-24 BE BE9001241A patent/BE1004094A6/en not_active IP Right Cessation
Also Published As
Publication number | Publication date |
---|---|
IT1237943B (en) | 1993-06-19 |
BE1004094A6 (en) | 1992-09-22 |
IT9019011A1 (en) | 1991-07-06 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19961230 |