Fuel oil flow valve

The invention relates to the technical field of valves, in particular to a fuel oil flow valve. The fuel oil flow valve comprises a shell, a valve assembly, a seat body, a torque motor and a swing rod, wherein a first oil inlet channel, a second oil inlet channel, a first oil return channel, an overflow cavity and a low-pressure cavity are formed in the shell, and one end of the first oil return channel communicates with the low-pressure cavity; the valve assembly comprises a valve, the left end of the valve is located in the overflow cavity, the right end of the valve extends into the low-pressure cavity, the valve is in clearance fit with the shell, and an annular cavity communicating with the first oil inlet channel is formed between the valve and the shell; a left nozzle and a right nozzle are installed in the seat body, one outlet of the left nozzle communicates with the other end of the first oil return channel, one inlet of the left nozzle communicates with the overflow cavity, one inlet of the right n