LD1
Epic Contributor
That valve you linked dont show it as being a float valve. It shows 4-way (which is what you want for a DA cylinder, 3-way would only have 1 cylinder port for a single acting cylinder), but it lists it being a 3 position valve. That would be neutral, one direction, other direction. You need a 4-position valve to give the 4th position float detent.
Looking at the prince PDF for the RD41 series valve http://www.baileyhydraulics.com/pdf/ValvesRD4100.pdf
The prince # you would need would be a RD412DDxxCx ....with the x's representing whatever option you want for those features.
Baileys website isnt the easiest to navigate. At quick glance I didnt see them list any 4th position float valves, but I always just call them and talk to them in person. For that RD41 series, they can get whatever you want. But they just list one valve in that series instead of all the possible combinations. But the keys are 4th position float and tandem center.
On an open center valve, there is true open center....which indeed will not hold a load as both cylinder ports open back to tank when in neutral. Key word you are looking for is tandem. It might say tandem center, or tandem spool or something. But tandem means work ports get isolated so it holds the load. And only the Pressure port is "open center" to either the tank or PB ports.
Looking at the prince PDF for the RD41 series valve http://www.baileyhydraulics.com/pdf/ValvesRD4100.pdf
The prince # you would need would be a RD412DDxxCx ....with the x's representing whatever option you want for those features.
Baileys website isnt the easiest to navigate. At quick glance I didnt see them list any 4th position float valves, but I always just call them and talk to them in person. For that RD41 series, they can get whatever you want. But they just list one valve in that series instead of all the possible combinations. But the keys are 4th position float and tandem center.
On an open center valve, there is true open center....which indeed will not hold a load as both cylinder ports open back to tank when in neutral. Key word you are looking for is tandem. It might say tandem center, or tandem spool or something. But tandem means work ports get isolated so it holds the load. And only the Pressure port is "open center" to either the tank or PB ports.
