Newbie hydraulic question...

[EGo_SmAsH]

I have a 3pt log splitter on my Kioti CK20, I think my hydraulic pump is rated at 7.5 gpm. I run the splitter off my rear remotes and it works great I've split about 20 cords or more with it in the last 2 years. I've noticed that the lines from the splitter are noticably bigger than the ones on my loader...I think they are 1/2" (not sure). If I replaced the lines with smaller diameter hoses would I be able to split faster? I bought this Wallenstein splitter used and I know the previous owner replaced the origional lines with longer ones as he ran it off the loader valve. thanks

 

[J_J]

No, actually, the larger lines/hoses will flow more fluid, less resistance.


3/8 in will handle 7.5 GPM just fine.

1/2 can flow 10 GPM at 25 fps.

http://kuriyama.thomasnet.com/Asset/H SizingNomogram.pdf

 

[EGo_SmAsH]

No, actually, the larger lines/hoses will flow more fluid, less resistance.


3/8 in will handle 7.5 GPM just fine.

1/2 can flow 10 GPM at 25 fps.

http://kuriyama.thomasnet.com/Asset/H SizingNomogram.pdf

Thanks J_J, I wasn't sure, it splits fast enough as it is but when I have help we find ourselves waiting occasionally.

 

[grsthegreat]

Thanks J_J, I wasn't sure, it splits fast enough as it is but when I have help we find ourselves waiting occasionally.

but you still have all your fingers. I personally like mine to operate a bit slower. After 5 hours of splitting, i would be leery of a rapid moving knife.....

 

[EGo_SmAsH]

but you still have all your fingers. I personally like mine to operate a bit slower. After 5 hours of splitting, i would be leery of a rapid moving knife.....

Very true, I'd like to lower the rpm needed to make it usable. Right now I run it to at least 2000rpm to get it fast enough....

 

[Zebrafive]

The only way for faster cycle is more flow (gpm) or a smaller diameter cylinder, which would fill faster, but you would then have less force.

 

[J_J]

His rated rpm is 2800, and he is running his tractor at 2000 rpm.

That means that he is only pumping about 5.35 GPM.

If he wants more speed, he should run the tractor at 2800 rpm.

Are you wanting fast or slow?

 

[wdchyd]

A regen valve would help with the extend speed.....(not so much for the retract speed)

http://www.tractorbynet.com/forums/build-yourself/194356-splitter-bx25-w-prince-lsr.html#post2228937


http://www.princehyd.com/Portals/0/products/valves/LSR3060Flyer.pdf

 

[EGo_SmAsH]

Might look into one of these regen valves, looks like I have some reading to do.

 

[J_J]

The LSR 3060 is the prince regen valve, but is limited to about 4 GPM flow rate.

It will take the 4 GPM and make it about 25 GPM.

• Hydraulically balanced, hard chrome plated spool
• Handle can be installed in “up” or “down” position
• Extend flows of up to 25 GPM with inlet flows of 4 GPM
• Relief valve adjustable up to 3500 PSI
• Tandem center spool
• Manual shift from high speed mode to high force mode
• Spring center 4 position spool with soft stop
• Pressure release detent on retract

http://www.princehyd.com/Portals/0/products/valves/catalog/ValvesLsRd25.pdf

 

[wdchyd]

It will take the 4 GPM and make it about 25 GPM.


http://www.princehyd.com/Portals/0/products/valves/catalog/ValvesLsRd25.pdf

That depends on the cyl displacement ratio between the base end vs the rod end......ie: if the displacement is 2:1 then 4 gals min would turn regen into 12 gpm return stroke.....( assuming 4 pump gpm plus 8 gpm exhaust from rod side added together = 12 gpm to extend)

IIRC, that 25 gpm is max rating of total flow it can handle through the valve core......not what it will automatically produce