Send a part number, a photo, or a whole BOM — we supply it and stand behind it. Worldwide shipping to 80+ countries.

3G Electric
RFQ CartGet a QuoteSign inSign up
ARO Compressed Air Regulator: Aluminum, 3/8 in NPT, 113 cfm, 0 psi to 140 psi - ARO FRL Air Regulators
AROARO FRL Air Regulators

ARO Compressed Air Regulator: Aluminum, 3/8 in NPT, 113 cfm, 0 psi to 140 psi

The ARO Compressed Air Regulator is an aluminum FRL air regulator from the 1500 Series, model R37231-100. It features a 3/8 in NPT connection, a flow capacity of 113 cfm, and an adjustable pressure range of 0 psi to…

SKU 3G-OTH-137173

Brand
ARO
Item
Compressed Air Regulator: Aluminum, 3/8 in NPT, 113 cfm, 0 psi to 140 psi
Category
ARO FRL Air Regulators
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineer
No account needed — your quote request goes straight to our engineers. A free account lets you track quotes and re-order faster.
Worldwide Shipping
Air & sea freight
Datasheet on Request
Technical specs
1-Day Quote
Replies within 24h

Technical Specifications

ARO
Manufacturer Part Number
R37231-100
Series
1500
Type
113 cfm, 0 psi to 140 psi, Knob
NPT
3/8 in
View Full Spec Sheet

Technical Documents

No technical documents available for this product.
Request documentation →
Not sure this is the right part? Get a recommendation.

Need installation or engineering help?

Installation, commissioning, maintenance plans, system design, and bundled product + service quotes — one team handles the full scope.
Talk to an engineer

Ask a question

ARO Products
3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARO Compressed Air Regulator is an aluminum FRL air regulator from the 1500 Series, model R37231-100. It features a 3/8 in NPT connection, a flow capacity of 113 cfm, and an adjustable pressure range of 0 psi to 140 psi with a knob control.

Frequently Asked Questions

What is the ARO 1500 Series compressed air regulator used for?

The ARO 1500 Series compressed air regulator (model R37231-100) controls and stabilizes downstream air pressure in pneumatic systems. It is commonly used in industrial automation, packaging, and material handling applications to protect equipment and ensure consistent operation.

What are the specifications of the ARO R37231-100 regulator?

The ARO R37231-100 is an aluminum compressed air regulator from the 1500 Series. It has a 3/8 in NPT connection, a flow capacity of 113 cfm, and an adjustable pressure range of 0 psi to 140 psi. It uses a knob for pressure adjustment.

Where to buy the ARO 1500 Series air regulator worldwide?

3G Electric supplies the ARO 1500 Series air regulator (R37231-100) to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact us for a quote and lead time on this pneumatic component.

How to install an ARO compressed air regulator?

Install the ARO regulator in-line with your compressed air system, ensuring flow direction matches the arrow on the body. Use thread sealant on the 3/8 in NPT ports. Adjust pressure by turning the knob clockwise to increase or counterclockwise to decrease, then lock the setting.

Used in

Common applications for ARO
Chemical processing — ARO AODD pumps with PTFE diaphragms and check valves for transferring corrosive acids and solvents.
Wastewater treatment — ARO aluminum-housing AODD pumps handling sludge and abrasive slurries in treatment plants.
Packaging automation — ARO PremAir series solenoid valves controlling pneumatic actuators on filling and sealing machines.
Mining operations — ARO 316 stainless steel AODD pumps for dewatering and transferring abrasive mine tailings.
Material handling — ARO MaxAir series foot pedal valves for manual control of conveyor diverters and lift tables.
Maintenance repair — ARO repair kits for field servicing of lower pump assemblies in industrial fluid systems.

ARO Products

3G Electric supplies ARO aro frl air regulators. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.

You might also need

Burners & Combustion →Pumps & Compressors →Spare Parts →All Products →

Similar products

Matched by specification & description
ARO Compressed Air Regulator: Aluminum, 1/4 in NPT, 86 cfm, 0 psi to 140 psi, Knob, 1500 Series (MPN R37221-100). Key specifications — attr111664: No; attr111400: 1500; attr111627: ARO.
ARO
ARO Compressed Air Regulator: Aluminum, 1/4 in NPT, 86 cfm, 0 psi to 140 psi, Knob, 1500 Series (MPN R37221-100). Key specifications — attr111664: No; attr111400: 1500; attr111627: ARO.
ARO Compressed Air Regulator: Aluminum, 3/8 in NPT, 179 cfm, 0 psi to 140 psi, Knob, 2000 Series (MPN R37331-100). Key specifications — attr111664: No; attr111400: 2000; attr111627: ARO.
ARO
ARO Compressed Air Regulator: Aluminum, 3/8 in NPT, 179 cfm, 0 psi to 140 psi, Knob, 2000 Series (MPN R37331-100). Key specifications — attr111664: No; attr111400: 2000; attr111627: ARO.
ARO Compressed Air Regulator: Aluminum, 1/4 in NPT, 59 cfm, 0 psi to 140 psi, Knob, 1000 Series (MPN R37121-100). Key specifications — attr111664: No; attr111400: 1000; attr111627: ARO.
ARO
ARO Compressed Air Regulator: Aluminum, 1/4 in NPT, 59 cfm, 0 psi to 140 psi, Knob, 1000 Series (MPN R37121-100). Key specifications — attr111664: No; attr111400: 1000; attr111627: ARO.
ARO Compressed Air Regulator: Aluminum, 1/8 in NPT, 45 cfm, 0 psi to 140 psi, Knob, 1000 Series (MPN R37111-100). Key specifications — attr111664: No; attr111400: 1000; attr111627: ARO.
ARO
ARO Compressed Air Regulator: Aluminum, 1/8 in NPT, 45 cfm, 0 psi to 140 psi, Knob, 1000 Series (MPN R37111-100). Key specifications — attr111664: No; attr111400: 1000; attr111627: ARO.
ARO Compressed Air Regulator: Aluminum, 3/4 in NPT, 210 cfm, 0 psi to 140 psi, Knob, 2000 Series (MPN R37351-100). Key specifications — attr111664: No; attr111400: 2000; attr111627: ARO.
ARO
ARO Compressed Air Regulator: Aluminum, 3/4 in NPT, 210 cfm, 0 psi to 140 psi, Knob, 2000 Series (MPN R37351-100). Key specifications — attr111664: No; attr111400: 2000; attr111627: ARO.
ARO Compressed Air Regulator: Aluminum, 1 in NPT, 290 cfm, 0 psi to 140 psi, 250 psi Max Op Pressure (MPN R37461-100). Key specifications — attr111664: No; attr111400: 3000; attr111627: ARO.
ARO
ARO Compressed Air Regulator: Aluminum, 1 in NPT, 290 cfm, 0 psi to 140 psi, 250 psi Max Op Pressure (MPN R37461-100). Key specifications — attr111664: No; attr111400: 3000; attr111627: ARO.

More from ARO

View all ARO parts →
ARO Brass Regulator: Brass, 1/4 in, 13 scfm, 125 psig, 250 psig Max Op Pressure, Knob (MPN B27122-020). Key specifications — attr111627: ARO.
ARO
ARO Brass Regulator: Brass, 1/4 in, 13 scfm, 125 psig, 250 psig Max Op Pressure, Knob (MPN B27122-020). Key specifications — attr111627: ARO.
ARO Compressed Air Regulator: Aluminum, 1 in NPT, 400 cfm, 10 psi to 180 psi, T-Handle (MPN R47561-300). Key specifications — attr111664: No; attr111400: Super Duty Series Regulator; attr111627: ARO.
ARO
ARO Compressed Air Regulator: Aluminum, 1 in NPT, 400 cfm, 10 psi to 180 psi, T-Handle (MPN R47561-300). Key specifications — attr111664: No; attr111400: Super Duty Series Regulator; attr111627: ARO.
ARO Compressed Air Regulator: Aluminum, 3/4 in NPT, 290 cfm, 0 psi to 140 psi, Knob, 3000 Series (MPN R37451-100). Key specifications — attr111664: No; attr111400: 3000; attr111627: ARO.
ARO
ARO Compressed Air Regulator: Aluminum, 3/4 in NPT, 290 cfm, 0 psi to 140 psi, Knob, 3000 Series (MPN R37451-100). Key specifications — attr111664: No; attr111400: 3000; attr111627: ARO.
ARO Regulator: Aluminum, 3/4 in NPT, 240 scfm, 250 psi, 140 psi Max Op Pressure, Knob, 2000 Series (MPN R37351-600). Key specifications — attr111664: Yes; attr111400: 2000; attr111627: ARO.
ARO
ARO Regulator: Aluminum, 3/4 in NPT, 240 scfm, 250 psi, 140 psi Max Op Pressure, Knob, 2000 Series (MPN R37351-600). Key specifications — attr111664: Yes; attr111400: 2000; attr111627: ARO.
ARO Regulator: Aluminum, 1/2 in NPT, 240 scfm, 200 psi, 250 psi Max Op Pressure, Knob, 2000 Series (MPN R37341-300). Key specifications — attr111664: No; attr111400: 2000; attr111627: ARO.
ARO
ARO Regulator: Aluminum, 1/2 in NPT, 240 scfm, 200 psi, 250 psi Max Op Pressure, Knob, 2000 Series (MPN R37341-300). Key specifications — attr111664: No; attr111400: 2000; attr111627: ARO.
ARO Compressed Air Regulator: Aluminum, 1 1/4 in NPT, 480 cfm, 10 psi to 180 psi, T-Handle (MPN R47571-300). Key specifications — attr111664: No; attr111400: Super Duty Series Regulator; attr111627: ARO.
ARO
ARO Compressed Air Regulator: Aluminum, 1 1/4 in NPT, 480 cfm, 10 psi to 180 psi, T-Handle (MPN R47571-300). Key specifications — attr111664: No; attr111400: Super Duty Series Regulator; attr111627: ARO.
ARO Compressed Air Regulator: Aluminum, 1/2 in NPT, 210 cfm, 0 psi to 140 psi, Knob, 2000 Series (MPN R37341-100). Key specifications — attr111664: No; attr111400: 2000; attr111627: ARO.
ARO
ARO Compressed Air Regulator: Aluminum, 1/2 in NPT, 210 cfm, 0 psi to 140 psi, Knob, 2000 Series (MPN R37341-100). Key specifications — attr111664: No; attr111400: 2000; attr111627: ARO.
ARO Compressed Air Regulator: Aluminum, 1 1/2 in NPT, 2,000 cfm, 5 psi to 125 psi, Knob (MPN R47581-100). Key specifications — attr111664: No; attr111400: Super Duty Series Regulator; attr111627: ARO.
ARO
ARO Compressed Air Regulator: Aluminum, 1 1/2 in NPT, 2,000 cfm, 5 psi to 125 psi, Knob (MPN R47581-100). Key specifications — attr111664: No; attr111400: Super Duty Series Regulator; attr111627: ARO.