Re: Hydraulic Questions

Posted by RodInNS on July 24, 2007 at 19:21:50 from (24.224.246.156):

In Reply to: Hydraulic Questions posted by uncle on July 24, 2007 at 14:51:03:

At this hour I'm not going to figure the volume of that tank, but I'd ballpark it at close to 30 gallons full. It's bigger than my tank for the wetline, and that holds 4 can no problem. Unless you're going to run this thing for hours at a time, I'd say it will be fine. I'm assuming that you're using the standard 1 section pump for this... which is about 25 gpm. Generally, or at least in theory you would size the resevoir to be 3 times the pumps capacity per minute, but on intermittent applications like this it's not needed. A boom truck or log truck with a 2 section pump would be a different story.

Other than that, I'd suggest you go with a 2" suction for the bit more it will cost, and a 1" return filter. Plumb both to the bottom of the tank, and install ball valves on both the suction and return lines so you can disconnect without draining if you ever need to remove the pump. Forget about the suction strainer. It'll create a restriction you don't really need on a suction run like that....
Just don't undersize or compromise the suction. I already bought that badge of honor. It only cost me a pump.... 2 seconds more and it would have cost a PTO too.
Small saddle tanks make great hydraulic tanks if you're handy with welding aluminum. Otherwise, the surplus centers or a truck parts outfit.... or junkyard. I made my tank, but it was made for a spot at the time, and a commercial tank wouldn't fit.

Rod

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