A system, comprising: a rotating compressor valve, comprising: a first circular plate having a first plurality of slots extending axially through the first circular plate; a second circular plate having a second plurality of slots extending axially through the second circular plate, wherein the first circular plate is fixed relative to the second circular plate, and the first plurality of slots are generally aligned circumferentially with respect to the second plurality of slots; and a third circular plate disposed axially between the first and second circular plates, wherein the third circular plate comprises a third plurality of slots extending axially through the third circular plate, and the third circular plate is configured to rotate relative to the first and second circular plates, wherein the rotating compressor valve comprises at least one of: the slots of the first, second and third plurality of slots comprise opposite radially extending edges (102, 104, 106, 108) that curve in a radial direction between an inner radius and an outer radius; or the third plurality of slots comprises opposite edges (106, 108) that taper in common directions away from a rotational axis from a first side to a second side of the third circular plate; or a combination thereof. a rotating compressor valve, comprising: a first circular plate having a first plurality of slots extending axially through the first circular plate; a second circular plate having a second plurality of slots extending axially through the second circular plate, wherein the first circular plate is fixed relative to the second circular plate, and the first plurality of slots are generally aligned circumferentially with respect to the second plurality of slots; and a third circular plate disposed axially between the first and second circular plates, wherein the third circular plate comprises a third plurality of slots extending axially through the third circular plate, and the third circular plate is configured to rotate relative to the first and second circular plates, wherein the rotating compressor valve comprises at least one of: the slots of the first, second and third plurality of slots comprise opposite radially extending edges (102, 104, 106, 108) that curve in a radial direction between an inner radius and an outer radius; or the third plurality of slots comprises opposite edges (106, 108) that taper in common directions away from a rotational axis from a first side to a second side of the third circular plate; or a combination thereof. a first circular plate having a first plurality of slots extending axially through the first circular plate; a second circular plate having a second plurality of slots extending axially through the second circular plate, wherein the first circular plate is fixed relative to the second circular plate, and the first plurality of slots are generally aligned circumferentially with respect to the second plurality of slots; and a third circular plate disposed axially between the first and second circular plates, wherein the third circular plate comprises a third plurality of slots extending axially through the third circular plate, and the third circular plate is configured to rotate relative to the first and second circular plates, wherein the rotating compressor valve comprises at least one of: the slots of the first, second and third plurality of slots comprise opposite radially extending edges (102, 104, 106, 108) that curve in a radial direction between an inner radius and an outer radius; or the third plurality of slots comprises opposite edges (106, 108) that taper in common directions away from a rotational axis from a first side to a second side of the third circular plate; or a combination thereof. the slots of the first, second and third plurality of slots comprise opposite radially extending edges (102, 104, 106, 108) that curve in a radial direction between an inner radius and an outer radius; or the third plurality of slots comprises opposite edges (106, 108) that taper in common directions away from a rotational axis from a first side to a second side of the third circular plate; or a combination thereof.