MY119324A - A diaphragm valve - Google Patents
A diaphragm valveInfo
- Publication number
- MY119324A MY119324A MYPI9702031A MY119324A MY 119324 A MY119324 A MY 119324A MY PI9702031 A MYPI9702031 A MY PI9702031A MY 119324 A MY119324 A MY 119324A
- Authority
- MY
- Malaysia
- Prior art keywords
- diaphragm
- valve
- interior
- port
- skirt
- Prior art date
Links
Landscapes
- Fluid-Driven Valves (AREA)
Abstract
A DIAPHRAGM VALVE FOR THE WATER INTAKE IN IRRIGATION SYSTEMS OR SIMILAR COMPRISES A HOLLOW BODY HAVING A PORT TO CONNECT A HYDRAULIC OR PNEUMATIC SYSTEM TO THE INTERIOR OF THE BODY OF THE VALVE AND AT LEAST ONE VENTILATION OPENING THROUGH A SIDE WALL OR WALLS OF THE BODY FROM THE EXTERIOR TO THE INTERIOR OF THE VALVE. A DIAPHRAGM (7) IS MOVABLY MOUNTED WITHIN THE INTERIOR OF THE BODY AND NORMALLY CLOSES THE INLET PORT (20). THERE IS A BLEED APERTURE (11) THROUGH THE DIAPHRAGM (7) TO A CAVITY (12) BEHIND THE DIAPHRAGM (7). WHEN THE PRESSURE ON THE INLET SIDE OF THE DIAPHRAGM (7) FALLS BELOW THE EXTERNAL PRESSURE, THE DIAPHRAGM (7) WILL MOVE AWAY FROM THE INLET PORT (20) TO OPEN THE PORT TO FLUID ENTERING THE INTERIOR OF THE BODY OF THE VALVE THROUGH THE SIDE WALL(S) OF THE BODY OF THE VALVE, AND THE DIAPHRAGM (7) WILL MOVE TO CLOSE THE PORT WHEN THE PRESSURE ON THE PORT SIDE OF THE DIAPHRAGM (7) IS EQUALISED WITH THE EXTERNAL PRESSURE. PREFERABLY THE DIAPHRAGM (7) COMPRISES A THIN FLEXIBLE ANNULAR SKIRT 7A) EXTENDING FROM THE PERIPHERY OF THE DIAPHRAGM (7) WITH THE DISTAL EDGE (7C) OF THE SKIRT (7A) RETAINED IN AN ANNULAR RECESS (8) AROUND THE CAVITY (12) BEHIND THE DIAPHRAGM (7) TO MOVABLY MOUNT THE DIAPHRAGM (7) WITHIN THE INTERIOR OF THE BODY OF THE VALVE SO THAT THE DIAPHRAGM (7) MOVES BY FLEXING AND/OR FOLDING OF THE SKIRT (7A).FIGURE 4
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
NZ286543A NZ286543A (en) | 1996-05-08 | 1996-05-08 | Diaphragm valve with soft flexible outer diaphragm skirt folding to allow diaphragm to move off seat |
NZ29957096 | 1996-10-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
MY119324A true MY119324A (en) | 2005-05-31 |
Family
ID=19925978
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
MYPI9702031 MY119324A (en) | 1996-05-08 | 1997-05-09 | A diaphragm valve |
Country Status (2)
Country | Link |
---|---|
MY (1) | MY119324A (en) |
NZ (1) | NZ286543A (en) |
-
1996
- 1996-05-08 NZ NZ286543A patent/NZ286543A/en not_active IP Right Cessation
-
1997
- 1997-05-09 MY MYPI9702031 patent/MY119324A/en unknown
Also Published As
Publication number | Publication date |
---|---|
NZ286543A (en) | 1998-05-27 |
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