Recirculation valve for turbo charger engine

A recirculation valve configured to open or close a recirculation line, the recirculation valve comprising:

• a recirculation valve adaptor having an inlet into which gas is introduced formed in a bottom thereof, having an outlet from which the gas is discharged formed in a first side of a side surface thereof, and having an inner space connected to the inlet and the outlet and in which the gas flows;
• a plug configured to open or close the inlet and the outlet;
• and
• a recirculation nipple having a plurality of guide apertures configured to guide a flow of gas discharged from the outlet and supply the flow of gas to the recirculation line and having opposite ends connected to the recirculation valve adaptor and configured to be connected to the recirculation line, respectively,
• wherein the inner space has an asymmetric shape in which a width in a horizontal direction is increased in a direction from a second side of an inside surface to one side thereof,
• wherein the recirculation nipple includes:
• a nipple body of a pipe shape having a first side connected to the outlet and a second side configured to be connected to the recirculation line;
• and
• a screen having the plurality of guide apertures formed therein and installed at the first side of the nipple body, and
• wherein the nipple body has a first end connected to the outlet and having a cross section formed in a rectangular shape to correspond to a shape of the outlet and a second end having a cross section formed in a circular shape and configured to be connected to the recirculation line.