full flow vs bypass

[bulldogparts]

I'm considering using a bypass type of filter in my hydraulics on my zero turn mower. Currently it has full flow filters. Would I be hurting the system by doing this? Both have a 21 micron filtration rating, and from all I can find about the two types, a bypass filter will actually catch more of the smaller particles than the full flow, so my thinking is that it's better for the system.

I'll appreciate any GOOD info, not just your opinion.

Thanks guys.

 

[Jetronic]

I'm considering using a bypass type of filter in my hydraulics on my zero turn mower. Currently it has full flow filters. Would I be hurting the system by doing this? Both have a 21 micron filtration rating, and from all I can find about the two types, a bypass filter will actually catch more of the smaller particles than the full flow, so my thinking is that it's better for the system.

I'll appreciate any GOOD info, not just your opinion.

Thanks guys.

Since it's bypass, it will also let a lot of dirty particles bypass it, no matter what size they are. Bypass filtration is not better, unless it's added to a full flow lubrication system.

 

[oil pan 4]

I'm considering using a bypass type of filter in my hydraulics on my zero turn mower. Currently it has full flow filters. Would I be hurting the system by doing this? Both have a 21 micron filtration rating, and from all I can find about the two types, a bypass filter will actually catch more of the smaller particles than the full flow, so my thinking is that it's better for the system.

I'll appreciate any GOOD info, not just your opinion.

Thanks guys.

I bought a 6mu "bypass filter" last week. It had a small 1mm hole in it that allowed oil to slowly flow through the filter. It said it was rated for 7 to 9gpm, clearly that is not the case. A hole that small is only going to allow about 1qt per minute to flow at normal return pressures.
I went from a "25 micron filter" to a bigger 8 micron filter on the same filter head. So I'm pretty much running "bypass micron size" as my full flow.
I've got an even bigger 5 micron filter and filter head to put on there eventually.
I have a back pressure gauge to watch my back pressure on the filter.
You can probably do the same.
Figure out what your filter is, my log splitter uses a 1 inch 12 thread per inch filter with a 5 inch o-ring.
I searched 1-12 filters and found a far better one than the original fairly quick.

 

[bulldogparts]

I contacted 3 well established filter manufacturers, and this is the response I got from Baldwin Filters......
"A bypass filter has a flow control orifice designed for low flow, and will restrict the oil flow through the filter. A full flow filter doesn't restrict the oil flow."
So..........I guess I'm buying those ridiculously expensive filters.