A tandem hydraulic valve comprising first and second axially aligned valve
spools, a valve guide slidably receiving said valve spools to control, in
use, the connection between respective ports of the valve guide, said
first and second spools being formed as separate components and being
axially interconnected, to move in unison, by an axial connection
component, and, the interface of said first and second spools being
connected to a predefined, external, hydraulic fluid leakage path.