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What compressor pump do I have?

94EG8

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Apr 5, 2015
Messages
248
Is anyone able to identify this pump? It's an aluminum 2 stage model. I have the owners manual and parts breakdown but I can't actually find anything on it. It's an older RK Machinery CA 560V-DS built in 1990. Ignore the Champion tank, I swapped it to replace the original tank that rusted out. Pump displacement is 22.1CFM and 16.9CFM at 90 PSI with a 5hp motor.
 

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Provincial

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Sep 21, 2011
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Near Salem, OR
It looks like one I had on a "consumer grade" Ingersoll-Rand 5 HP compressor that was probably made around 1980. It used a 3450 RPM motor and operated at high speed. I kept blowing out head gaskets due to the design, which had a very thin gasket strip between the low and high pressure cylinders. Parts became unavailable around the year 2000 and I had to make my own head gaskets until I finally gave the compressor away. I included all the manuals when the compressor went out the door.

In my research, I found that the compressor head was made in Italy. I don't remember a maker's name.
 
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94EG8

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Apr 5, 2015
Messages
248
This has a 1725RPM motor on it. IIRC the fittings are all metric. It has actually worked absolutely flawlessly for the 4 years I've owned it, but I just bought a used Chinook K30 pump as it was very cheap and I could use something a little bigger. That said I'm just curious as to what I have in case I decide to sell it.


Edit, this appears to the be the same pump, but I'm still having trouble finding anything on it:
 

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94EG8

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Apr 5, 2015
Messages
248
Thank you very much! That is greatly appreciated. It actually looks like you can still buy parts. I also had no idea it used poppet valves, I assumed it had reed valves, seems like it's a better pump than I thought it was.
 
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