Valve for a refrigeration application
OwnerShuwei LIU, Yanning (Mars) SHENinventors
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Abstract
A refrigeration application, in particular a shut-off and/or regulating valve includes a bonnet connected to a housing with two fluid openings, a spindle and a piston for opening and closing a fluid passage between the two fluid openings. The spindle engages the piston for moving it between a closed position and an open position of the valve. A bottom closing portion of the piston includes an outer flange and an inner flange between which a sealing element is provided, wherein the two flanges are connected to each other by means of at least one screw and wherein a non-circular connector geometry for connecting a tool is provided at the bottom side of the outer flange.
Claims19
A valve for a refrigeration application, in particular a shut-off and/or regulating valve, comprising a bonnet connected to a housing with two fluid openings, a spindle and a piston for opening and closing a fluid passage between the two fluid openings, wherein the spindle engages the piston for moving it between a closed position and an open position of the valve, wherein a bottom closing portion of the piston comprises an outer flange and an inner flange between which a sealing element is provided, wherein the two flanges are connected to each other by means of at least one screw and wherein a non-circular connector geometry for connecting a tool is provided at the bottom side of the outer flange.
Dependencies are inferred from the claim text.