A variable flow valve comprising: an outer valve plug comprising: a valve plug body having an upstream portion and an outer plug tapered portion extending from the upstream portion; and a plug passage extending through the valve plug body, the plug passage comprising: a first segment extending into the upstream portion of the valve plug body, the first segment including a first stage seat; and a second segment extending from the first segment; a bushing comprising: an upstream end having a shaft opening extending through the upstream end; a downstream end; and a shoulder extending radially inward and disposed between the upstream end and the downstream end; wherein the bushing is disposed within the second segment; an inner valve plug disposed within the plug passage and extending into the bushing through the shaft opening, the inner valve plug comprising: a head having an inner plug tapered portion configured to mate with the first stage seat; and a shaft extending from the head through the shaft opening; and a cap attached to the shaft and disposed within the bushing; wherein the cap is configured to actuate the inner valve plug between a first stage closed position and a first stage open position and is configured to engage the shoulder of the bushing to actuate the outer valve plug between a second stage closed position and a second stage open position. an outer valve plug comprising: a valve plug body having an upstream portion and an outer plug tapered portion extending from the upstream portion; and a plug passage extending through the valve plug body, the plug passage comprising: a first segment extending into the upstream portion of the valve plug body, the first segment including a first stage seat; and a second segment extending from the first segment; a valve plug body having an upstream portion and an outer plug tapered portion extending from the upstream portion; and a plug passage extending through the valve plug body, the plug passage comprising: a first segment extending into the upstream portion of the valve plug body, the first segment including a first stage seat; and a second segment extending from the first segment; a first segment extending into the upstream portion of the valve plug body, the first segment including a first stage seat; and a second segment extending from the first segment; a bushing comprising: an upstream end having a shaft opening extending through the upstream end; a downstream end; and a shoulder extending radially inward and disposed between the upstream end and the downstream end; wherein the bushing is disposed within the second segment; an inner valve plug disposed within the plug passage and extending into the bushing through the shaft opening, the inner valve plug comprising: a head having an inner plug tapered portion configured to mate with the first stage seat; and a shaft extending from the head through the shaft opening; and a cap attached to the shaft and disposed within the bushing; wherein the cap is configured to actuate the inner valve plug between a first stage closed position and a first stage open position and is configured to engage the shoulder of the bushing to actuate the outer valve plug between a second stage closed position and a second stage open position. an upstream end having a shaft opening extending through the upstream end; a downstream end; and a shoulder extending radially inward and disposed between the upstream end and the downstream end; wherein the bushing is disposed within the second segment; a downstream end; and a shoulder extending radially inward and disposed between the upstream end and the downstream end; wherein the bushing is disposed within the second segment; an inner valve plug disposed within the plug passage and extending into the bushing through the shaft opening, the inner valve plug comprising: a head having an inner plug tapered portion configured to mate with the first stage seat; and a shaft extending from the head through the shaft opening; and a head having an inner plug tapered portion configured to mate with the first stage seat; and a shaft extending from the head through the shaft opening; and a cap attached to the shaft and disposed within the bushing; wherein the cap is configured to actuate the inner valve plug between a first stage closed position and a first stage open position and is configured to engage the shoulder of the bushing to actuate the outer valve plug between a second stage closed position and a second stage open position.