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ARO Compressed Air Regulator: Aluminum, 1/4 in NPT, 86 cfm, 0 psi to 140 psi - ARO FRL Air Regulators
AROARO FRL Air Regulators

ARO Compressed Air Regulator: Aluminum, 1/4 in NPT, 86 cfm, 0 psi to 140 psi

The ARO Compressed Air Regulator is an aluminum FRL air regulator from the 1500 Series, designed for compressed air systems. It features a 1/4 in NPT connection, a flow capacity of 86 cfm, and an adjustable pressure…

SKU 3G-OTH-137152

Also listed as: R37221100 · R37221 100

Brand
ARO
Item
Compressed Air Regulator: Aluminum, 1/4 in NPT, 86 cfm, 0 psi to 140 psi
Category
ARO FRL Air Regulators
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Local availability & support — Singapore

Local office
20 Woodlands Link #09-05, Singapore 738733
Phone
+65 8878 8355
Delivery
Same-day or next-business-day delivery within Singapore for in-stock items; 7–14 days for factory-order parts from Europe.
Payment
Invoicing in SGD. PayNow, bank transfer, and corporate PO accepted.
Ships to
Singapore

Technical Specifications

ARO
Manufacturer Part Number
R37221-100
Series
1500
Type
86 cfm, 0 psi to 140 psi, Knob
NPT
1/4 in

Technical Documents

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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, designed for compressed air systems. It features a 1/4 in NPT connection, a flow capacity of 86 cfm, and an adjustable pressure range of 0 psi to 140 psi via a knob. This unit is manufactured by ARO under part number R37221-100.

Frequently Asked Questions

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

The ARO 1500 Series compressed air regulator (model R37221-100) is used to control and stabilize downstream air pressure in pneumatic systems. It is ideal for industrial applications such as manufacturing, automation, and assembly lines where precise pressure adjustment from 0 to 140 psi is required.

What are the specifications of the ARO R37221-100 regulator?

The ARO R37221-100 is an aluminum compressed air regulator from the 1500 Series. It has a 1/4 in NPT connection, a flow capacity of 86 cfm, and an adjustable pressure range of 0 psi to 140 psi via a knob. It is designed for use with compressed air systems.

Where to buy the ARO R37221-100 regulator worldwide?

3G Electric supplies the ARO R37221-100 regulator worldwide. As a global industrial equipment distributor, we handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we source and deliver this ARO 1500 Series regulator to any country.

How to install the ARO 1500 Series air regulator?

Install the ARO 1500 Series regulator by connecting the 1/4 in NPT ports to your compressed air line, ensuring proper thread sealant is used. Mount the unit in a vertical or horizontal position with the knob accessible. 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.

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