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A system including a vapor recovery valve having a valve body with a fluid flow path and a vapor flow path. The fluid flow path and the vapor flow path are generally fluidly isolated from each other. The vapor recovery valve further includes a vapor control valve positioned in the vapor flow path. T

A system including a vapor recovery valve having a valve body with a fluid flow path and a vapor flow path. The fluid flow path and the vapor flow path are generally fluidly isolated from each other. The vapor recovery valve further includes a vapor control valve positioned in the vapor flow path. The vapor control valve is movable between a first position wherein the vapor control valve at least partially impedes the flow of vapor therethrough and a second position wherein the vapor control valve does not impede or less impedes the flow of vapor therethrough compared to when the vapor control valve is in the first position. The vapor recover valve includes an actuator magnetically coupled to the vapor control valve. The actuator is configured such that sufficient fluid flow through the fluid flow path in a first direction causes the actuator to move the vapor control valve from the first position to the second position in a second direction that is generally not the same as the first direction.

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1. A system including a vapor recovery valve comprising: a valve body having a fluid flow path and a vapor flow path, said fluid flow path and said vapor flow path being generally fluidly isolated from each other and coaxially arranged in at least part of said valve body;a vapor control valve positi

1. A system including a vapor recovery valve comprising: a valve body having a fluid flow path and a vapor flow path, said fluid flow path and said vapor flow path being generally fluidly isolated from each other and coaxially arranged in at least part of said valve body;a vapor control valve positioned in said vapor flow path and being movable between a first position wherein said vapor control valve at least partially impedes the flow of vapor therethrough and a second position wherein said vapor control valve does not impede or less impedes the flow of vapor therethrough compared to when said vapor control valve is in said first position; andan actuator magnetically coupled to said vapor control valve, said actuator being configured such that sufficient fluid flow through said fluid flow path in a first direction causes said actuator to move said vapor control valve from said first position to said second position in a second direction that is generally not the same as said first direction, wherein said actuator includes a diaphragm positioned in a chamber and dividing said chamber into a pair of cavities and wherein said vapor control valve is configured such that unequal pressure in said cavities caused by a flow of fluid through said fluid flow path causes said actuator to move which, in turn, causes said vapor control valve to move, and wherein one of said cavities is in direct fluid communication with at least part of said fluid flow path such that at least part of said fluid flow in said fluid flow path is directable into said one of said cavities to provide a pressure in said at least one of said fluid cavities generally equal to the stagnation pressure of said at least part of said fluid flow. 2. The system of claim 1 wherein said second direction is opposite said first direction. 3. The system of claim 1 wherein said actuator is configured such that sustained sufficient fluid flow through said fluid flow path causes said vapor control valve to be maintained in said second position. 4. The system of claim 1 wherein said vapor control valve is configured such that said vapor control valve resides in said first position, due to a force other than gravity, when no fluid flows through said fluid flow path. 5. The system of claim 1 wherein said vapor control valve is configured such that said vapor control valve resides in said first position, due to a spring force, when no fluid flows through said fluid flow path. 6. The system of claim 1 wherein said actuator is biased into a first position such that said actuator causes said vapor control valve to reside in said first position when no fluid flows through said fluid flow path. 7. The system of claim 1 wherein said vapor control valve includes a movable portion positioned in said vapor flow path, and wherein said movable portion is in contact with or positioned relatively close to a seat when said vapor control valve is in said first position, and wherein said movable portion is relatively spaced away from said seat when said vapor control valve is in said second position, and wherein movement of said actuator in said first direction causes movement of said movable portion in said second direction, thereby causing said vapor control valve to move from said first position to said second position. 8. The system of claim 1 wherein said actuator is fluidly isolated from said vapor control valve by a continuous seal structure positioned between said vapor control valve and said actuator. 9. The system of claim 1 wherein said first position is a closed position wherein said vapor control valve generally blocks the flow of vapor through said vapor flow path and wherein said second position is an open position wherein said vapor control valve generally does not block the flow of vapor therethrough. 10. The system of claim 1 wherein said actuator is movable from said first to said second position at least in part due to venturi forces created by a flow of fluid through said fluid flow path. 11. The system of claim 1 wherein the other one of said cavities is configured to be exposed to venturi forces created by the flow of fluid through said fluid flow path. 12. The system of claim 1 wherein at least one of the actuator and the vapor control valve is made of or includes permanently magnetized material, and wherein the other one of the actuator and the vapor control valve is made of or includes permanently magnetized material or magnetizable material. 13. The system of claim 1 wherein said vapor control valve is a proportional valve such that the extent of opening of said vapor control valve is related to the flow rate of fluid through the fluid flow path. 14. The system of claim 1 wherein the system further comprises a nozzle configured to dispense fluid flowing through said fluid flow path and configured to capture vapors displaced by said dispensed fluid, the system further including a generally flexible hose fluidly coupled to said nozzle and to said vapor recovery valve, said nozzle being coupled to a first end of said hose and said vapor recovery valve being coupled to an opposite end of said hose. 15. The system of claim 14 wherein said nozzle, said hose, and said vapor recovery valve together form a dispenser, and wherein the system includes a plurality of dispensers, the vapor flow path of each dispenser being coupled to a single vacuum pump. 16. The system of claim 15 wherein said vacuum pump is configured to provide a generally constant suction output when one dispenser is being utilized to dispense fluid and capture vapors compared to when four dispensers are being utilized to dispense fluid and capture vapors. 17. A vapor recovery valve comprising: a valve body having a fluid flow path and a vapor flow path, said fluid flow path and said vapor flow path being generally fluidly isolated from each other and coaxially arranged in at least part of said valve body;a vapor control valve positioned in said vapor flow path, said vapor control valve being movable between a first state wherein said vapor control valve at least partially impedes the flow of vapor therethrough and a second state wherein said vapor control valve does not impede or less impedes the flow of vapor therethrough compared to when said vapor control valve is in said first state; andan actuator magnetically coupled to said vapor control valve, said actuator being configured such that sufficient fluid flowing through said fluid flow path causes said actuator to move said vapor control valve from said first state to said second state, said actuator being configured such that when a flow of said fluid flowing through said fluid flow path ceases or is sufficiently low, said actuator is moved due to a force other than gravity which in turn causes said vapor control valve to move from said second state to said first state, wherein said actuator includes a diaphragm positioned in a chamber and dividing said chamber into a pair of cavities and wherein said vapor control valve is configured such that unequal pressure in said cavities caused by a flow of fluid through said fluid flow path causes said actuator to move which, in turn, causes said vapor control valve to move, and wherein one of said cavities is maintained at a pressure generally equal to the stagnation pressure of fluid flowing through said fluid flow path. 18. A method for refueling and capturing vapors comprising: providing a fuel dispenser including a vapor recovery valve having a fluid flow path and a vapor flow path, at least part of said vapor flow path being coaxial with at least part of said fluid flow path, said vapor recovery valve including a vapor control valve disposed in said vapor flow path and an actuator magnetically coupled to said vapor control valve, said actuator including a diaphragm positioned in a chamber and dividing said chamber into a pair of cavities; andallowing said dispenser to be operated such that fluid passes through said fluid flow path and captured vapors pass through said vapor flow path, wherein fluid flow through said fluid flow path in a first direction causes said actuator to move said vapor control valve from a first position to a second position in a second direction that is generally not the same as said first direction, wherein said vapor control valve at least partially impedes the flow of vapor therethrough in said first position and wherein said vapor control valve does not impede or less impedes the flow of vapor therethrough in said second position compared to when said vapor control valve is in said first position, wherein unequal pressure in said cavities caused by a flow of fluid through said fluid flow path causes said actuator to move which, in turn, causes said vapor control valve to move and wherein one of said cavities is maintained at a pressure generally equal to the stagnation pressure of fluid flowing through said fluid flow path. 19. The system of claim 1 wherein at least part of said vapor flow path is positioned radially inside at least part of said fluid flow path. 20. The system of claim 1 wherein said vapor flow path includes an exit portion through which vapor exiting said valve body flows, said exit portion being generally perpendicular to said fluid flow path at the same location in said valve body. 21. The system of claim 1 wherein said valve body includes a hose coupling connection at one end thereof configured to mechanically and fluidly couple the valve body to a coaxial fluid delivery hose or a coupling thereof and to fluidly couple the fluid flow path with a fluid path of the hose, the valve body further including annular seat body at said one end defining at least part of said vapor flow path and configured to slidably receive a nipple of the hose or coupling therein to fluidly couple said vapor flow path to a vapor path of said hose, wherein the seat body is spaced axially and radially inwardly relative to said hose coupling connection. 22. The system of claim 1 further including a vapor adjustment component coupled to or carried on said valve body and positioned downstream of the vapor control valve relative to the flow of vapor through the vapor flow path, wherein the vapor adjustment component is adjustable to adjust the flow of vapor through the vapor flow path. 23. The system of claim 7 wherein said movable portion includes a generally parabolic or generally bullet-shaped tip. 24. The system of claim 11 wherein said one of said cavities includes a flow path which directs fluid flow therein in a generally radially outward direction.