FR2267502B1 - - Google Patents
Info
- Publication number
 - FR2267502B1 FR2267502B1 FR7412591A FR7412591A FR2267502B1 FR 2267502 B1 FR2267502 B1 FR 2267502B1 FR 7412591 A FR7412591 A FR 7412591A FR 7412591 A FR7412591 A FR 7412591A FR 2267502 B1 FR2267502 B1 FR 2267502B1
 - Authority
 - FR
 - France
 - 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.)
 - Expired
 
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
 - F16K37/00—Special means in or on valves or other cut-off apparatus for indicating or recording operation thereof, or for enabling an alarm to be given
 
 - 
        
- 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
 - F16K1/32—Details
 - F16K1/34—Cutting-off parts, e.g. valve members, seats
 - F16K1/44—Details of seats or valve members of double-seat valves
 - F16K1/443—Details of seats or valve members of double-seat valves the seats being in series
 - F16K1/446—Details of seats or valve members of double-seat valves the seats being in series with additional cleaning or venting means between the two seats
 
 - 
        
- 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
 - F16K25/00—Details relating to contact between valve members and seats
 - F16K25/02—Arrangements using fluid issuing from valve members or seats
 
 
Landscapes
- Engineering & Computer Science (AREA)
 - General Engineering & Computer Science (AREA)
 - Mechanical Engineering (AREA)
 - Lift Valve (AREA)
 
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| FR7412591A FR2267502A1 (en) | 1974-04-10 | 1974-04-10 | Double-seated valve with leakage indication - has axial cleaning-fluid injection pipe leading to chamber between valve plates | 
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title | 
|---|---|---|---|
| FR7412591A FR2267502A1 (en) | 1974-04-10 | 1974-04-10 | Double-seated valve with leakage indication - has axial cleaning-fluid injection pipe leading to chamber between valve plates | 
Publications (2)
| Publication Number | Publication Date | 
|---|---|
| FR2267502A1 FR2267502A1 (en) | 1975-11-07 | 
| FR2267502B1 true FR2267502B1 (forum.php) | 1976-10-08 | 
Family
ID=9137493
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date | 
|---|---|---|---|
| FR7412591A Granted FR2267502A1 (en) | 1974-04-10 | 1974-04-10 | Double-seated valve with leakage indication - has axial cleaning-fluid injection pipe leading to chamber between valve plates | 
Country Status (1)
| Country | Link | 
|---|---|
| FR (1) | FR2267502A1 (forum.php) | 
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title | 
|---|---|---|---|---|
| GB1546022A (en) * | 1977-02-25 | 1979-05-16 | Coal Ind | Fluid operable valves | 
- 
        1974
        
- 1974-04-10 FR FR7412591A patent/FR2267502A1/fr active Granted
 
 
Also Published As
| Publication number | Publication date | 
|---|---|
| FR2267502A1 (en) | 1975-11-07 | 
Similar Documents
Legal Events
| Date | Code | Title | Description | 
|---|---|---|---|
| ST | Notification of lapse |