A scroll compressor including a discharge check valve assembly with metal-to-metal sealing surfaces

A scroll compressor comprising a compressor shell having a discharge outlet, and a discharge check valve assembly including:

• a valve housing arranged at the discharge outlet of the compressor shell and being hermetically secured to the compressor shell, the valve housing including a metal valve seat,
• a valve member arranged within the valve housing and movable between a closed position in which the valve member bears against the metal valve seat and an open position in which the valve member is remote from the metal valve seat, wherein the valve member comprises a valve stem portion and a valve head portion connected to the valve stem portion, the valve stem portion includes a stem end portion which is remote from the valve head portion
• wherein the metal valve seat has a frusto-conical or toroidal sealing surface and the valve member has a metal sealing surface being formed at a radial outer portion of the valve head portion and being configured to cooperate with the frusto-conical or toroidal sealing surface when the valve member is in the closed position, the metal valve seat and the valve member being configured to define a linear sealing contact between the metal sealing surface of the valve member and the frusto-conical or toroidal sealing surface of the metal valve seat when the valve member is in the closed position, and
• wherein the stem end portion includes a tool fixing member configured to allow temporary fixing of a tooling, adapted to displace the valve member in the open position during assembly process of the scroll compressor, to the stem end portion.