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Yes, that description was the basis for my initial comment. Summit is a distributor not a manufacturer and they put their own nameplates on the valves they sell so take that data with a grain of salt. If you look at the body of the valve you may find additional information stamped there. For...

OK - spool characteristics confirmed but missed on the T port pressure ratings and that adds another more significant element to my concerns. The T port pressure rating on the valve is only 1450 PSI and there is no internal relief and it wouldn't matter if there was because their is no direct...

Looking at Summit's images it looks like the nameplate on the valve has a hydraulic schematic printed on it. It is hard to see in the pictures but I believe this is what it shows. That is a solenoid actuated open center spring centered double acting directional control valve. These types of...

The FAQ is not informative. You can't use a sleeve since the valve has no provision for power beyond - there is no place to screw one in if you tried. It does not answer the question of how this valve works with down stream valves in the circuit or why it is plumbed backwards. Obviously...

Hopefully someone at Summit will provide a more complete explanation. Dan

When people start adding hydraulic third party circuits and controls there are lots of other possibilities. The burning question for me is why plumb it this way to begin with? What is this non-standard plumbing buying you that makes it worth exposing your valve to the potential for undesirable...

There is more to it than that - there is some operational reason all these sellers are hooking that valve up backwards. What are they accomplishing that you can't do with normal circuitry? And why do they say you cannot use that plumbing with a backhoe or rear remotes? Someone knows the...

I would like someone to give me a lucid explanation of that plumbing. Unless that is a very strange valve P on that third function valve is not power beyond - it is pressure in. Just for starters I would like to know what route does cylinder exhaust oil from that third function valve take...

The valve in your diagram appears to be a single spool solenoid actuated open center directional control valve with no power beyond functionality. It will "work" for the most part as plumbed but is not the proper valve or plumbing for the circuit. The proper way would use a third function valve...

I have no knowledge of that valve but open center plumbing is pretty standard. Normally three circuits on a open center directional control valve with power beyond functionality: P port on valve is pump pressure IN to valve PB port (sometimes marked N or C) on valve is high pressure carryover...

Anybody have a copy of the installation instructions for the first valve kit they could share? Dan