Flow divider and ecology valve

A fuel flow dividing valve for selectively conveying fuel from a fuel source to at least a primary gas turbine engine intake manifold and a secondary gas turbine engine intake manifold during engine operation, comprising a pressure differential actuated flow dividing valve portion having a movable valve spool with a flow restricting inlet and first and second substantially unrestricted outlets, the first outlet coupled to the inlet independent of valve condition for supplying fuel to the primary manifold, and the second outlet coupled to the inlet for supplying fuel to the secondary manifold when the pressure differential across the flow restriction exceeds a threshold, and further comprising an ecology valve portion controlled solely by the fuel pressure differential between the fuel source and the flow restricting inlet for withdrawing fuel first from the secondary engine intake manifold and subsequently from the primary engine intake manifold when the engine is de-energized thereby purging the manifolds of fuel, and returning withdrawn fuel to the manifolds during subsequent engine operation.