Hydraulic manifold valve, stem movement is a positive cover, what is the role?
he spool that does not work must close the P port. Avoid the high pressure oil from the oil pump from here. Otherwise, the other joint will not work
The spool is covered, in the middle, P mouth is closedThe manifold valves do not work together at the same time. T
Generally speaking, opening a small slot, that role is a bit like the proportion of valve opening meaning. Prevent shock and stabilize flow.
