Working on designing a WMO filter system

[Crawdaddy]

So, I've been reading for a while trying to collect part numbers for parts needed to build a WMO filtering system. It seems like part numbers for filters and filterblocks are scarce, but I think I've found some that will work. My primary goal of the system is to filter WMO from my vehicles using parts that I can get from the local parts stores. I will only be filtering oil 5 gallons at a time or so, so high flow is not a big issue.

While I'm producing my own waste oil to filter and reuse, I wanted some sort of water filtering. I found NAPA part number 3616 which is a 20 micron filter and water separator with base FIL4762 to go with it. Then to bring it down to 5 microns which seems to be sufficient for the deuce multifuels, I'm going with FIL1749 and base 4750. I'm going to pump oil through the system using a Harbor Freight 1" clear water pump (1" Clear Water Pump). I've heard they have issues with priming, but I figure I will use a vertical section of pipe to store enough oil to get a prime.

Am I on the right track with my choices of parts? I'm pretty stupid when it comes to filters and filter bases. Thanks for any help in advance.

 

[Tlauden]

Sounds like you have a good game plan. Tractor supply has spin on and canister type filters. Not sure if there spin ons will take any other brands though. And I would imagine keeping a pipe with oil in would be enough to get your prime going.

 

[RAYZER]

What size npt are the inlet and outlets on the filter blocks?

 

[Crawdaddy]

One's 3/4, I'm not sure what the other one is, but it's probably 1/2.

 

[gimpyrobb]

I cannot say anything about the pump you want to use, as I have not used it, BUT! I use an air powered barrel piston pump and it works great. I recommend getting two 15 gal barrels and pump from one to the other. It is a tried and true, proven filtering system.

 

[gimpyrobb]

Like this. Thats a stock deuce fuel filter housing and a spin on one..

 

[RAYZER]

Imho, a sbc oil pump might work well in a pressurized filtration system using this type of filter block setup.

 

[gimpyrobb]

I'm sure it would, I just used what I had on hand(from GL when minimum bid was $50) and I have filtered thousands of gallons.

 

[RAYZER]

I'm sure it would, I just used what I had on hand(from GL when minimum bid was $50) and I have filtered thousands of gallons.

Man,thats alot of oil! And thats a good deal on that pump,i have a pneumatic pump similar to yours but it disturbs the neighbors!

 

[gimpyrobb]

That is my ONLY issue, the noise they make.

 

[OEFISHER]

You might try a check valve on the intake. I had one of those pumps for draining some tanks of water and they do not prime worth a *&*& well you know. I use a sbc pump and it works great pumping thru the filters. Good Luck

 

[bodi044]

I am setting up a filtration system with a large house water sediment filter housing and 5 micron filter. I have the dirty oil barrel pressurized @ a steady 20-25 lbs of pressure regulated from my air compressor. It pushes the oil up the pick up tube (6" off the bottom) it right through the 1/2 inch line through the filter and into my clean barrel. I will use the air compressor to pressurize the clean barrel to fill the tank on the truck too.

Don't have anything set up for water separation yet and I am looking for a 275 gallon storage tank.

 

[gimpyrobb]

You'd be better off using vacuum, pressure causes too many bad things.

 

[bodi044]

A pump will only vacuum off the main tank, it will then push through the filtration units on any system so your gonna have to sell me a bit more on your claim. A pump will build pressure as the filters clog but a 20lb regulated line will never exceed 20lbs.

 

[gimpyrobb]

Yes, but as the fluid leaves the tank, you get a MUCH larger volume of stored, compressed, air. If you are not using a tank that is a pressure rated vessel, you are asking for trouble. I have seen at least 3 tanks split open from air pressure and 2 "only" made a mess, spilling their contents. The third ripped open violently. I would not wish that on someone I didn't like. Have you watched the tanks when pressurizing? Doesn't that "growing"(expanding) concern you?

All I'm saying is make sure you are safe while filtering. Its not worth getting hurt.

 

[NMCShooter]

I went cheap and simple. I used a 35 gal steel drum with a clamp-on, removable top. I welded an "L" shaped tube to the side of the drum. the long part of the "L" ends .5" from the bottom of the drum. I attached a 1" ball valve and one of the Tractor Supply 30$ fuel filters to the short end of the "L" shaped tube where it sticks out the side of the drum. I poked a hole in the lid and attached a quick disconnect. I use a separate regulator and limit the air to the drum to 10-15 psi. Works like a champ and cost less than 50$

 

[bodi044]

Yes I agree to your point and yes I have seen the barrel split from pressure as well as they are not designed for that purpose. I don't want that to happen either. The system I saw was a steel barrel and the pressure was being run at 60lbs and it was forcing through at high volume. I use a poly barrel for the pressure side. Also, my philosophy is low pressure, low volume. I have all day to let the barrel empty at 20lbs of pressure. Slow and steady she goes. If it does not perform to my satisfaction I will not increase the pressure, I will instead install a pump to the system. Easy enough.

 

[NMCShooter]

At 10 psi, my rig takes about a minute per gallon. When I fill the barrel, I pour the WMO through filter cloth to jeep the big chunks from prematurely cloggin the filter element.

 

[Floridianson]

Ive got just about 300 gal of wmo stored and need to try out one of the filters I got from GL. Think I have 4 like this and 15 smaller ones.

 

[bodi044]

Shooter what kind of life are you getting out of your filters running a pressurized system at 10psi? Also what is the filter rating?