A bleed valve assembly comprising: a flow duct comprising: an inlet ; and an outlet disposed downstream from the inlet , wherein the outlet is smaller in cross-sectional area than a region of the flow duct disposed between the inlet and the outlet ; a piston housing disposed inside the flow duct between the inlet and the outlet so as to form an annular flow passage between the flow duct and the piston housing , wherein the piston housing is axially aligned with a center axis of the flow duct ; at least one rib extending between the flow duct and the piston housing ; a sleeve piston disposed inside the piston housing and configured to extend downstream of the piston housing in a closed position, wherein the sleeve piston comprises an outer wall that is at least the same in cross-sectional area as the outlet of the flow duct, an end cap connected to a downstream end of a guide rod disposed inside the piston housing , wherein the end cap is smaller in diameter than a downstream end of the piston housing , wherein the outer wall of the sleeve piston is larger in diameter than the end cap and is disposed radially between the end cap and the downstream end of the piston housing relative the center axis of the piston housing ; at least one hole formed in an upstream end of piston housing and in fluidic communication with the inlet of the flow duct ; a gap disposed between a working surface of the sleeve piston and the upstream end of the piston housing , wherein the gap is in fluidic communication with the at least one hole of the first end of the piston housing; and at least one hole formed in the end cap , wherein the at least one hole is in fluid communication with the outlet of the flow duct . a flow duct comprising: an inlet ; and an outlet disposed downstream from the inlet , wherein the outlet is smaller in cross-sectional area than a region of the flow duct disposed between the inlet and the outlet ; an inlet ; and an outlet disposed downstream from the inlet , wherein the outlet is smaller in cross-sectional area than a region of the flow duct disposed between the inlet and the outlet ; a piston housing disposed inside the flow duct between the inlet and the outlet so as to form an annular flow passage between the flow duct and the piston housing , wherein the piston housing is axially aligned with a center axis of the flow duct ; at least one rib extending between the flow duct and the piston housing ; a sleeve piston disposed inside the piston housing and configured to extend downstream of the piston housing in a closed position, wherein the sleeve piston comprises an outer wall that is at least the same in cross-sectional area as the outlet of the flow duct, an end cap connected to a downstream end of a guide rod disposed inside the piston housing , wherein the end cap is smaller in diameter than a downstream end of the piston housing , wherein the outer wall of the sleeve piston is larger in diameter than the end cap and is disposed radially between the end cap and the downstream end of the piston housing relative the center axis of the piston housing ; at least one hole formed in an upstream end of piston housing and in fluidic communication with the inlet of the flow duct ; a gap disposed between a working surface of the sleeve piston and the upstream end of the piston housing , wherein the gap is in fluidic communication with the at least one hole of the first end of the piston housing; and at least one hole formed in the end cap , wherein the at least one hole is in fluid communication with the outlet of the flow duct . <EOS>