"PILOT OPERATED,4-WAY SPOOL VALVE PROVIDES OUTPUT FLOW PROPORTIONAL TO ELECTRICAL INPUT CURRENT.MECH. FEEDBACK DESIGN-DRY,DOUBLE AIR GAP,TORQUE MTR;FLOW CAPACITY 5 GPM AT 1000 PSI FLUID-PETRO BASE HYD FLUIDS 60/450 SUS AT 1000 DEG F.TWO STAGE DESIGN O/A MAX DIM. 3.93 IN. L,3.00 IN. W,3.80 IN. H;OPERATING TEMP RANGE -40 TO 275 DEG F"