Hydraulic distributor. Am I correct?

[ArtMech]

This is a distributor which I've got from metal scrap. Don't know what machine it is from. All I know it's made in Sweden.



I have only one port of remote valve on a tractor. What if I'll attach this distributor additionally to have many more ports?

The thoughts are as follows:
1. I guess there are 3 ports to be able to connect 3 double action cylinders.
2. There is 1 port to be able to connect 1 single action cylinder.
3. 1 input connection (under pressure)?
4. 1 output connection (to a tank)?

Am I correct?

Never mind about micro switches at the bottom.

 

[J_J]

What type hyd system do yu have ?

Open center hyd system with all valve sin series.

Closed center with all valve in parallel.

Hybrid with some closed and some open center.

I also do not see a relief valve.

One spool is set up for SA.

You have some plugs in ports on the other side of the valve. Is one of them marked PB.

Mark where you think the P and T is.

You can use air pressure to verify flow.

 

[ArtMech]

I think larger diameter goes to tank.



I can't answer the other questions. Needs to find out somehow.
Thanks for reminder to use air flow to verify how it goes. I have no possibility to find mark PB right now. I'll do it later.

 

[aczlan]

Its a Parker valve, so you should be able to contact Parker to find out the specs on it.
If its open center, you will always have flow from the pressure port to the tank port and one of the plugs on the end away from the two ports may come out for a power beyond port.

Aaron Z

 

[J_J]

Are any of the ports marked? P, T, PB, etc

 

[ArtMech]

Are any of the ports marked? P, T, PB, etc

I'm not in a farm right now. I'll check it when I'll be there.

Thank you fellows J_J and aczlan for your help.

 

[aczlan]

It looks to me like the port you have marked as Pressure has a P in the casting next to it and the one you have marked as Tank has some other letter (a Y perhaps?) in the casting. At the far end, there is a letter by the plug on the end, but the camera angle isnt right to pick it out.

Aaron Z

 

[J_J]

If your valve is an open center valve, and IN neutral, when you blow air into the IN port, air should exit the tank port.

If the valve is a closed center valve, in neutral, when you blow air into the IN port, no air should flow out any port.

Most open center valves will have a relief valve, and I don't see one.

 

[aczlan]

Most open center valves will have a relief valve, and I don't see one.

Might the red cap in this picture be covering one?
View attachment 426775

Aaron Z

 

[J_J]

Maybe, but is could also be a no-relief plug which is sometimes used for closed center valves.