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Forum topic by cebfish posted 02-29-2016 02:55 PM 2057 views 9 times favorited 68 replies Add to Favorites Watch
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cebfish

129 posts in 2156 days


02-29-2016 02:55 PM

Topic tags/keywords: question

Has any one used large truck air filters on their DC if so how good does it work.I have 2 the area of the filters are smaller than the bag. I was wondering how big of problem that is. I did a quick test seemed to work fine with better suction just don’t know long term


68 replies so far

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hotbyte

844 posts in 2443 days


#1 posted 02-29-2016 02:58 PM

Which filters are you trying? I’ve read several posts here where someone has used Donaldson filters.

Do you mean the area of the filters is larger than the bag? That is supposed to be one of the benefits (besides better filtration) is more surface area with pleated filters.

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cebfish

129 posts in 2156 days


#2 posted 02-29-2016 03:02 PM

They are CATERPILLAR . The filters are smaller than the bag I took off . they are really off of bull dozers. The OD is 16’’ ID 9’‘

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hotbyte

844 posts in 2443 days


#3 posted 02-29-2016 03:15 PM

With pleated filters, the way the filter material folds back and forth gives them an overall larger surface area than an bag filter of same diameter would have. So, even though the OD is smaller, you might have a larger filter surface area.

You also need to know what size particle the filters will filter. The HF DC bag is 5 micron. It would be better if 0.5 or 1 micron. A lot of the filters are rated in MERVs which I’m not sure about. Hopefully someone will chime in on what MERV rating is equivalent/similar to micron rating.

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shipwright

7175 posts in 2266 days


#4 posted 02-29-2016 03:17 PM

Yes, I have and they are great. The one on the DC in this blog is a Donaldson p181099 and for my purposes it is completely adequate and certainly better than the bag. If you want one equivalent to the Wynn 35A, use the p181035. It is virtually identical at half the price.

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees. http://thecanadianschooloffrenchmarquetry.com/

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ste6168

250 posts in 639 days


#5 posted 02-29-2016 03:28 PM


Yes, I have and they are great. The one on the DC in this blog is a Donaldson p181099 and for my purposes it is completely adequate and certainly better than the bag. If you want one equivalent to the Wynn 35A, use the p181035. It is virtually identical at half the price.

- shipwright

I searched that part number, and it doesn’t look identical. What are the fins near the bottom? Also, showing an OD of only 9.21” – That cannot be right. I would love to find a replacement filter, but not interested in a $200 Wynn.

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hotbyte

844 posts in 2443 days


#6 posted 02-29-2016 03:32 PM

Shipwright,
I was just checking your blog and you list the Wynn equivalent as a P181038 in it instead of the P181035…

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ohtimberwolf

636 posts in 1820 days


#7 posted 02-29-2016 03:55 PM

I conferred with shipwright and did what he did only I used the larger filter I got off of ebay. Cost me $84.75 with shipping. It was the 038. Quite happy with it so far. Using it in one bay of a three car garage. larry

-- Just a barn cat, now gone to cat heaven.

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DirtyMike

466 posts in 370 days


#8 posted 02-29-2016 04:28 PM

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ohtimberwolf

636 posts in 1820 days


#9 posted 02-29-2016 05:22 PM

DirtyMike, that is where I got mine. Good and Fast service. No regrets. larry

Here are the details on the filter

https://catalog.donaldson.com/productDetail/en/A/P181038?productId=17801&skuId=s32280

-- Just a barn cat, now gone to cat heaven.

View ChrisK's profile

ChrisK

1809 posts in 2549 days


#10 posted 02-29-2016 06:08 PM

http://www.allfilters.com/airfilter/mervrating

A quick what is a MERV rating article.

-- Chris K

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cebfish

129 posts in 2156 days


#11 posted 02-29-2016 06:48 PM

Thanks everybody . If i do the math the OD of the filter compared to OD of the bag the filters are larger. The filters are 10’’ higher. I got the filters for free. I ran it for about half hour cleaning up the shop floor. I kept a check to make sure it did not overheat the motor it did not

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DirtyMike

466 posts in 370 days


#12 posted 02-29-2016 09:08 PM

quick question, machine filters use an efficiency % and hvac and health filters use a merv rating. Is there a way to convert the ratings?

I have worked on drill rigs that made the worst dust you can imagine. at the end of the day we would tap out our air filters and pounds of fine dust would come out of the outside pleats, not a spec on the inside. so imagine a 99.9 % filter is pretty high on the merv rating.

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The__Dude

125 posts in 530 days


#13 posted 03-01-2016 12:12 AM

What about people who have the collector outside?
Isnt less micro size better for flow?

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ohtimberwolf

636 posts in 1820 days


#14 posted 03-01-2016 01:17 AM

Here is a chart from where ChrisK directed.

-- Just a barn cat, now gone to cat heaven.

View shipwright's profile

shipwright

7175 posts in 2266 days


#15 posted 03-01-2016 01:32 AM

Sorry about the 035/038 mistake. I did the original comment from memory, checked and found the error, and then edited the post. I must have neglected to “save changes”. It really sucks getting old. :-(

-- Paul M ..............If God wanted us to have fiberglass boats he would have given us fibreglass trees. http://thecanadianschooloffrenchmarquetry.com/

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