Hydraulic Steering Control Orbital Valve. 9.73CI-160ML for Hydraulic Steering with 3/4"-16 ports. Universal Application can be used for hydraulic steering on tractors, offroad trucks, etc. This orbital is load reactive. 4 JIC fittings included! A load reactive valve allows axle forces to return the steering wheel to its original position when the operator releases the wheel after completing a turn. This return to center function is engineered to work in cross-connected and balanced systems. If you do not want the steering wheel to return to center, we have non load reactive options available in our other listings.