F - Mech Eng,Light,Heat,Weapons – 16 – K
Patent
F - Mech Eng,Light,Heat,Weapons
16
K
F16K 31/122 (2006.01) F16K 27/07 (2006.01) F16K 31/12 (2006.01)
Patent
CA 2245528
An outlet valve is arranged in the bottom of a vessel intended to be filled with liquid comprising a valve disc (1) connected to a piston rod (4) and a piston (5) actuated by a pressure medium. The valve disc (1) is movable between a first and a second position and is arranged to bear against a valve seat (2) in its first closed position. The piston (5) is arranged in an operating device (6) provided with a connection (7) to a source for pressure medium. The operating device (6) is designed as a unit sealed from the liquid and is arranged at such a distance from the valve seat (2) that the liquid, when the valve is open, passes a zone between the operating device (6) and the valve seat (2).
Vanne de vidange installée au fond d'une cuve destinée à contenir un liquide. Cette vanne comprend un disque (1) relié à une tige de piston (4) et un piston (5) manoeuvré par un milieu de pressurisation. Le disque (1) se déplace entre une première et une deuxième position; il est disposé de manière à porter contre un siège (2) dans une première position, fermée. Le piston (5) est placé dans un dispositif de manoeuvre (6) comportant une connexion (7) à une source de milieu de pressurisation. Le dispositif de manoeuvre (6) est conçu comme un boîtier étanche aux liquides; il est placé à une distance du siège (2) telle que le liquide, lorsque la vanne est ouverte, franchit une zone comprise entre le dispositif de manoeuvre (6) et le siège (2).
Alfa Laval Ab
Borden Ladner Gervais Llp
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