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M & MR Series Air Cooled Mobile Heat Exchanger, 1 NPT Ports, 1.21 sq ft Face Area

A 12	B 14.50	C 14.88	D 18.22	E 16.72	Brand API Heat Transfer	Brand API Heat Transfer	Pack Size 1.00	UOM EA	F 9.50	Face Area 1.21	G 19.72	Ports 1 NPT	Ports 1 NPT	Supplier Part Number M-20	Alternate Part Numbers Alternate Part Number C1EQ78, Alternate Part Number MI-08750834, Alternate Part Number MINO-13199X95555	Product Weight 12.00 lbs

Product Questions & Answers 2

Product Questions & Answers

What’s the deal with the ports on this thing? Are they all NPT, or can I get it with JIC fittings?

Question by: Phil H on Aug 7, 2025, 1:45 PM

Standard ports are 1 NPT, but SAE straight thread and male JIC 37° flare ports are optional.

Answer by: Customer Support on Aug 9, 2025, 8:57 AM

what's the max flow rate this cooler can handle before it starts losing efficiency? running a pretty high-demand hydraulic circuit and dont want to undersize it

Question by: Troy S on Dec 26, 2025, 7:19 AM

Oil flow capacity tops out at 100 GPM on this unit, so for most mobile hydraulic setups that's plenty of headroom. Heat removal peaks at 90,000 BTU/Hr, which lines up well with higher-flow circuits running under sustained load. As long as your system stays within those numbers, you shouldn't run into thermal issues from undersizing.

Answer by: Customer Support on Dec 27, 2025, 4:59 PM

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Model Number	A	B	C	D	E	F	G	Ports	Face Area
M-15-S	8	14.5	10.88	18.22	16.72	5.5	19.72	SAE-16	0.81
M-20	12	14.5	14.88	18.22	16.72	9.5	19.72	1 NPT	1.21
M-30	24	19.5	26.88	23.22	21.72	21.5	24.72	1-1/4 NPT	3.25