INGERSOLL RAND IR-R37221-620 ARO 1500 Series Regulator
Professional Air Pressure Control - ARO 1500 Series Regulator (R37221-620)
Non-Relieving Design with Flush-Mount Gauge for Pneumatic Equipment
When your pneumatic tools need consistent air pressure to perform at their best, this ARO 1500 series regulator delivers the precise control that professionals depend on. Whether you're running air tools in your shop or maintaining equipment on the job site, this non-relieving air regulator maintains steady pressure from 0 to 140 psi without venting downstream air when you adjust settings.
The bright flush-mount gauge gives you instant visual feedback, while the standard knob control lets you dial in exactly the pressure your specific equipment needs. Built by Ingersoll Rand with their legendary durability, this regulator handles the demanding conditions that come with daily professional use.
Key Benefits That Make the Difference
Maintains steady downstream pressure without wasteful air venting, keeping your pneumatic tools running at optimal performance while reducing air compressor cycling and energy costs.
Delivers industry-leading airflow that keeps up with high-demand tools and multiple equipment connections, preventing pressure drops that slow down your work.
Large, easy-to-read pressure gauge mounts flush for clean installation and clear visibility, so you can quickly verify settings without guessing about your air pressure.
Perfect for These Applications
- Air tool operation in automotive repair shops
- Pneumatic equipment in manufacturing facilities
- Paint spray systems requiring steady pressure
- Assembly line pneumatic tools
- Maintenance shop air-powered equipment
- Industrial pneumatic control systems
Technical Specifications
| Model Number | R37221-620 |
|---|---|
| Series | ARO 1500 Series |
| Port Size | 1/4 inch NPT (inlet and outlet) |
| Pressure Range | 0 to 140 psi (0 to 9.6 bar) |
| Maximum Flow Rate | 86 SCFM |
| Maximum Operating Pressure | 250 psi |
| Type | Non-Relieving |
| Gauge | Flush-Mount, Included |
| Control | Standard Knob |
| Maximum Temperature | 140°F (60°C) |
| Weight | 0.87 lb |
| Dimensions | 2.2" W × 2.6" D × 4.65" H |
Get Professional Air Pressure Control Today
Stop dealing with inconsistent air pressure that slows down your work. This ARO 1500 series regulator gives you the reliable pressure control that keeps your pneumatic tools performing at their peak, job after job.
Order now and experience the difference professional-grade air regulation makes.
Frequently Asked Questions
What's the difference between relieving and non-relieving air regulators?
Non-relieving regulators like this ARO model maintain downstream pressure when you turn the adjustment knob down, making them ideal for applications where you don't want air to vent. Relieving regulators automatically release excess downstream pressure, which is useful in some applications but wastes compressed air in others.
How does this compare to other 1/4 inch air regulators?
This ARO 1500 series regulator stands out with its 86 SCFM flow capacity, which is higher than many competitors in this size range. The flush-mount gauge design also provides cleaner installation and better visibility compared to standard protruding gauges found on basic regulators.
Can I use this regulator with multiple air tools?
Yes, with its 86 SCFM flow capacity, this regulator can handle multiple air tools or equipment connections. However, your total air demand should stay within the flow capacity limits, and you may need manifolds or splitters for multiple connection points.
What size air compressor do I need for this regulator?
This regulator works with any air compressor that can deliver the pressure and flow you need for your tools. The regulator itself doesn't determine compressor size - it just controls the pressure coming from whatever compressor system you have.
Warranty & Brand Trust
Ingersoll Rand backs this ARO air regulator with a comprehensive 2-year limited warranty, covering defects in materials and workmanship. With over 160 years of experience in industrial tools and compressed air solutions, Ingersoll Rand builds equipment that professionals trust for demanding applications day after day.
About the Brand