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| Depends on the circuit (open or closed center) and the first valve. Usually the first valve takes priority over the flow to power beyond and the load on the first valve gets all the flow it needs, but if it doesn't take all the oil there's some left to go to the power beyond. Return oil from the cylinder or motor doesn't go to power beyond, it goes to the return hose. The first valve usually will starve the cylinder or motor attached to PB no matter how much flow that hydraulic load would take. That first valve priority is what makes power beyond different than hooking valve supply lines in parallel (on closed center, that won't work on open center at all).
Gerald J. | |
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