I’m trying to I.D. this old Ingersoll Rand air compressor pump?

by Jack
(Long Island, N.Y.)

Hello, I am trying to I.D. this old air compressor pump so I can match it to the proper air tank. Thank you

Oil Fill Side W/1 Ft Ruler
Oil Fill Side W/1 Ft Ruler
I.d. Plate
I.d. Plate
Back W/1 Ft Ruler
Back W/1 Ft Ruler
Top W/1 Ft Ruler
Top W/1 Ft Ruler

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Air tank sizes
by: Doug in s.d.ca.

It’s got a motor? What’s the rating on that?

And the pulley size?

Looks like the sheave is around 9 inches – bore about two and stroke maybe three?

All that in aid of guesstimating the flow to answer the tank question.

Good with the ruler though. Just kinda hard to see.

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‘Proper air tank’
by: Rob

Its an IR model A from a 30 litre tank, 2 hp 930 rpm approx 4 cfm


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