Salvaging older Quincy Compressor Model 310 25 - need parts help.

5 years 1 month ago #2949 by azhirise
Pressure Switch (tank tapped with NPT ¾”)
Pressure relief valve (about 155? Max 175 psi as tanks is rated to 200 psi)
Check valve (tank tapped with NPT ¾”) (Top center of tank)
Unloader Valve?
Drain valve (tank tapped with NPT 1/2”) (Bottom of tank)
Tank pressure gauge
Manual shut off valve 1” min (tank tapped with NPT 2”)
Compressor rated output 175 psi

Model 310 25
156885 L
Size 3 ½ & 2 x 2 ½
Quincy Compressor Model 310 25

Standard Manchester horizontal 60 gallon tank

ACFM 3.9 to 9.63
SCFM (Standard Cubic Feet per Minute)
ACFM (Actual Cubic Feet per Minute)

I purchase this compressor (Quincy Model 310 25) - minus many parts for scrap metal price. The compressor was rebuilt in the 80's and received little use since then. That is why the previous owner stripped parts off of it. I want to get it back to functioning and use it. Here is a list of the parts I think that I need. Your wisdom and experience in these matters would be greatly appreciated.

Gerald K Koziol
Berthoud Colorado
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5 years 1 month ago #2950 by MTR-Admin
Thanks for the post!

Can you upload a picture of the compressor? This would help.

Also, for the NPT measurements, are you measuring the ID (Inside Diameter) or OD (Outside Diameter) of the threads?

- MTR

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5 years 1 month ago #2953 by azhirise
I had attached a cad drawing of the manufacturers tank specifications and their NPT openings. I have assumed that they mean the inside dimensions - the size of what device will be inserted into the openings.
I will attach more photos of the compressor.

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5 years 1 month ago #2954 by azhirise
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5 years 1 month ago #2955 by azhirise
still more photos
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5 years 1 month ago #2956 by azhirise
even more photos
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