Hydraulic balancing control for two cylinders
Hello all, first time poster here. I am a EE nerd and fulltime farmer. I think there is a valve that will do what I need but I do not know what they are called and hoped someone can help me source them. It is on a "V" style hay rake that has two hydraulic cylinders that have a common fluid power source from the tractor. It is a simple supply/return circuit with the supply hoses splitting to each cylinder. I have three rakes that all have the same problem. The load/weight that the cylinders control (raising & lowering of the wheels) is the same on each side of the machine but the forces applied due to terrain will cause one side to come up without the other side raising equally or at all sometimes. In other words the two loads do not raise equally unless you are on level terrain. Is there a valve that will control the pressure/flow to two cylinders when the load is varying from cylinder to cylinder so that they will move the same?