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The Ingersoll Rand 3/4" npt compressed air system regulator (293 cfm) is available for purchase today.

Read Ingersoll Rand R37451-600 reviews before checking out.

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Ingersoll Rand 3/4" NPT Compressed Air System Regulator (293 CFM)

(Based on expert analysis, manufacturer ratings and customer reviews)
1.5 out of 51.5 out of 51.5 out of 51.5 out of 51.5 out of 5
2 Reviews
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General Purpose Pressure Control
Designed to cover a wide variety of applications
3/4" NPT port

Self-Relieving Regulator With Pressure Gauge
Keeps air flow steady; vents downstream overpressure

Easy Adjustment Knob
Pull to adjust pressure, push to lock in pressure setting

Aluminum Body
Lightweight & durable
Nitrile/nylon diaphragm & nitrile seals last longer than others

Panel Mounting Nut Included
Can be mounted up, down, or panel/wall mount
Maximum panel thickness 0.394 inches, M62x1.5 thread

250 PSI & 293 CFM Maximum Flow
Works with many air compressors
925 Pounds
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Ingersoll Rand R37451-600 Reviews & Ratings
2 Reviews  Sort by 
Tom G.
Mooresville, NC
1 out of 51 out of 51 out of 51 out of 51 out of 5
Leaks Air
Very disappointed with this regulator for the money I spent. After less than a year of use the regulated pressure jumps around and when that happens it begins to leak around the adjustment knob. The only way to get the regulator to quit leaking is to turn the pressure all the way up, which is not regulating at all.

I have disassembled the regulator to check for a bad diaphragm or any other issues and I see nothing obvious. Would not recommend this regulator to anyone.

Very disappointed... more
Tom Does Not Recommend This Product
Steve, the Air Compressor Expert
Product Expert
You may want to contact the folks at Ingersoll Rand, toll free, at 800-483-4981 to see if the regulator is still covered under their Factory Warranty. Please have the serial number of the unit handy when you call them, as they may ask for it.

I checked our files and didn't find an invoice for you, so you may also want to have your invoice handy when you call Ingersoll Rand in case they need to verify the delivery date for the warranty.
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Elton G.
Lumberton, TX
Purchased from Air Compressors Direct
Purchased 7/7/15
2 out of 52 out of 52 out of 52 out of 52 out of 5
Had it about a week worked fine, then noticed Air Compressor running when not in use. Found it to be Regulator leaking air around adjustment knob. Will have to send back are buy another. It's lot to pay for something to just last a week
Elton Does Not Recommend This Product
Steve, the Air Compressor Expert
Product Expert
We are sorry to hear about the leaking regulator. Please contact IR warranty support @ (800) 866-5457 for assistance with this issue.
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