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Air Compressor Intake Filter

rlierenz

New member
Joined
Apr 1, 2025
Messages
2
I inherited an old Henke Manufacturing Pacemaker air compressor. It was in a sad state of neglect, so I've done some work to get it back into working condition. To my knowlege the compressor I have was made in 1983 and the company has folded since then and parts have been a nightmare to find. I have everything up and running now, but there is one thing that still eludes me. I have never seen an intake "filter" (attached photo shows the filter in 2 pieces after removing a through bolt) that looks quite like the old one I pulled off the compressor. It may act as a muffler, but it looks like it's filtration abilities are dubious at best. I'd like to add a real filter, but I dont know how to go about sizing a replacement. The old filter plugs in to a 1 1/4" smooth intake and fastens with a set screw.

I don't want to restrict the air intake with a filter that is too dense, but that may not even be a realistic worry, and I don't want to thread the intake line unless I absolutely must. All of my past experience replacing compressor filters consists of find a part number and buying the appropriate replacement, so I'm not exactly sure where to begin my search. Any advice is greatly appreciated! 1000000708.jpg
 
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MarineScott

Well-known member
Joined
Jan 23, 2016
Messages
527
Location
W. Pennsylvania
Can an old small engine air filter housing be retro fitted? I would try that, with a washable foam filter. Can a housing be fabricated, or 3D printed?
 

yatg

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Joined
Aug 16, 2019
Messages
2,748
Location
Southern Oregon
The old filter plugs in to a 1 1/4" smooth intake and fastens with a set screw.
Get a 1" size black pipe ******. The OD is 1.3" more or less. Cut one threaded end off and file it down to fit the opening. Then find a filter that will attach to 1"MPT.

Here's one with a 1"mpt, so you'd need a coupler.


1743527000956.png
 
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danielbuck

Well-known member
Joined
Apr 15, 2014
Messages
917
there are lots of various sized filters for air, if you look at a site like mcmaster they will give you the CFM ratings (and also decible reduction ratings, as alot of times filters are also advertised as mufflers for air compressor intakes)

You can also relocate the air intake with a hose, to maybe a cleaner/cooler area, or just a bit farther away to reduce the noise.
 
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