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ARO 1000 Series Compressed Air Regulator, 1/4 in NPT, 59 cfm, 0-140 psi, Knob - ARO FRL Air Regulators
AROARO FRL Air Regulators

ARO 1000 Series Compressed Air Regulator, 1/4 in NPT, 59 cfm, 0-140 psi, Knob

The ARO Compressed Air Regulator is an aluminum FRL air regulator from the 1000 Series, designed for compressed air systems. It features a 1/4 in NPT port size, a flow capacity of 59 cfm, and an adjustable pressure…

SKU 3G-OTH-137178

Also listed as: R37121600 · R37121 600

Brand
ARO
Item
1000 Series Compressed Air Regulator, 1/4 in NPT, 59 cfm, 0-140 psi, Knob
Part Number
R37121-600
Category
ARO FRL Air Regulators
Available to Order
Also known as:R37121-600ARO
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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
R37121-600
Series
1000
Type
59 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 1000 Series, designed for compressed air systems. It features a 1/4 in NPT port size, a flow capacity of 59 cfm, and an adjustable pressure range of 0 psi to 140 psi, controlled via a knob. This model, with manufacturer part number R37121-600, is part of ARO's 1000 Series product line.

Frequently Asked Questions

What is the ARO 1000 Series compressed air regulator used for?

The ARO 1000 Series compressed air regulator (MPN R37121-600) is used to control and stabilize downstream air pressure in pneumatic systems. It is commonly applied in industrial manufacturing, automation, and maintenance environments to protect tools and equipment from pressure fluctuations.

What are the specifications of the ARO R37121-600 regulator?

The ARO R37121-600 is an aluminum compressed air regulator from the 1000 Series. It has a 1/4 in NPT port size, a flow capacity of 59 cfm, and an adjustable pressure range of 0 psi to 140 psi. Pressure is set via a knob. It is designed for compressed air systems.

Where to buy the ARO R37121-600 regulator worldwide?

3G Electric supplies the ARO R37121-600 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 1000 Series regulator to any country.

How to install the ARO 1000 Series compressed air regulator?

Install the ARO 1000 Series regulator by connecting the 1/4 in NPT ports to your compressed air line. Ensure the flow direction matches the arrow on the body. Use thread sealant on NPT threads. Adjust pressure by turning the knob clockwise to increase or counterclockwise to decrease. Always depressurize the system before installation.

Used in

Common applications for ARO
Chemical processing — ARO AODD pumps with PTFE diaphragms and 316 SS wetted parts for corrosive fluid transfer
Food and beverage — FDA-compliant ARO AODD pump SD20S-CSS-SMM-B00 with Santoprene diaphragm and Tri-Clamp connections
Water treatment — ARO air control valves and FRL units for pneumatic control in filtration and dosing systems
General manufacturing — ARO air-end repair kits and O-rings for maintaining double diaphragm pumps in assembly lines
Pharmaceutical — ARO sanitary AODD pumps with 316 SS check valves for shear-sensitive and sterile fluid handling
Oil and gas — ATEX-rated ARO FRL units and air control valves for use in hazardous atmospheres
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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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Compatible alternatives & equivalents

Cross-referenced by specification & description
This ARO 1500 Series air regulator features a 1/4 in NPT connection and a flow capacity of 86 cfm. The adjustable pressure range of 0 to 140 psi is controlled via a knob. It is used in pneumatic systems to regulate downstream air pressure for consistent operation of tools and equipment
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This ARO 1500 Series air regulator features a 1/4 in NPT connection and a flow capacity of 86 cfm. The adjustable pressure range of 0 to 140 psi is controlled via a knob. It is used in pneumatic systems to regulate downstream air pressure for consistent operation of tools and equipment
Aluminum air regulator from the 2000 Series with 1/2 in NPT ports. Provides adjustable output pressure from 0 to 140 psi via knob control, with a flow capacity of 210 cfm. Used in pneumatic systems to maintain stable downstream pressure for tools and equipment
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Aluminum air regulator from the 2000 Series with 1/2 in NPT ports. Provides adjustable output pressure from 0 to 140 psi via knob control, with a flow capacity of 210 cfm. Used in pneumatic systems to maintain stable downstream pressure for tools and equipment
ARO 1500 Series compressed air regulator with aluminum body, 3/8 in NPT ports, flow capacity of 113 cfm, and adjustable pressure range of 0 to 140 psi via knob control. Used in pneumatic systems to regulate and stabilize downstream air pressure for consistent operation of tools and equipment
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ARO 1500 Series compressed air regulator with aluminum body, 3/8 in NPT ports, flow capacity of 113 cfm, and adjustable pressure range of 0 to 140 psi via knob control. Used in pneumatic systems to regulate and stabilize downstream air pressure for consistent operation of tools and equipment
This ARO air regulator controls and stabilizes pressure in pneumatic systems. It features a 1/8 in NPT port, 45 scfm flow capacity, adjustable from 0 to 140 psi, with a maximum operating pressure of 250 psi. The aluminum body and knob adjustment make it suitable for industrial air lines
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This ARO air regulator controls and stabilizes pressure in pneumatic systems. It features a 1/8 in NPT port, 45 scfm flow capacity, adjustable from 0 to 140 psi, with a maximum operating pressure of 250 psi. The aluminum body and knob adjustment make it suitable for industrial air lines
Aluminum compressed air regulator from the ARO 3000 Series with 3/4 in NPT connection. Provides flow capacity of 290 cfm and adjustable pressure range of 0 to 140 psi via knob control. Used in pneumatic systems to regulate downstream pressure for tools, actuators, and valves
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Aluminum compressed air regulator from the ARO 3000 Series with 3/4 in NPT connection. Provides flow capacity of 290 cfm and adjustable pressure range of 0 to 140 psi via knob control. Used in pneumatic systems to regulate downstream pressure for tools, actuators, and valves

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Aluminum air regulator from the 2000 Series with 3/8 in NPT connection. Flow capacity of 179 cfm and adjustable pressure range of 0 psi to 140 psi via knob control. Used in pneumatic systems to regulate downstream air pressure for tools and actuators
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Aluminum air regulator from the 2000 Series with 3/8 in NPT connection. Flow capacity of 179 cfm and adjustable pressure range of 0 psi to 140 psi via knob control. Used in pneumatic systems to regulate downstream air pressure for tools and actuators
Aluminum FRL air regulator with 1 in NPT ports. Flow capacity of 290 cfm, adjustable output from 0 to 140 psi, and maximum inlet pressure of 250 psi. Used to control and stabilize downstream air pressure in pneumatic systems
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Aluminum FRL air regulator with 1 in NPT ports. Flow capacity of 290 cfm, adjustable output from 0 to 140 psi, and maximum inlet pressure of 250 psi. Used to control and stabilize downstream air pressure in pneumatic systems
Aluminum-bodied compressed air regulator with 3/4 in NPT ports, rated for 300 scfm flow and 250 psi maximum inlet pressure. Adjustable via knob, with a maximum operating pressure of 140 psi. Used in pneumatic systems to reduce and stabilize downstream pressure for tools, automation, and process control
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Aluminum-bodied compressed air regulator with 3/4 in NPT ports, rated for 300 scfm flow and 250 psi maximum inlet pressure. Adjustable via knob, with a maximum operating pressure of 140 psi. Used in pneumatic systems to reduce and stabilize downstream pressure for tools, automation, and process control
ARO 2000 Series air regulator with aluminum body, 1/2 in NPT ports, flow capacity of 210 cfm, and adjustable pressure range of 0 psi to 140 psi via knob control. Used in compressed air systems to regulate downstream pressure for pneumatic tools, automation, and process control
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ARO 2000 Series air regulator with aluminum body, 1/2 in NPT ports, flow capacity of 210 cfm, and adjustable pressure range of 0 psi to 140 psi via knob control. Used in compressed air systems to regulate downstream pressure for pneumatic tools, automation, and process control
Aluminum compressed air regulator with 1 1/2 in NPT ports, 2000 cfm flow capacity, and adjustable pressure range of 10 to 180 psi via knob. Used in pneumatic systems to control and stabilize air pressure for tools and equipment in industrial settings
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Aluminum compressed air regulator with 1 1/2 in NPT ports, 2000 cfm flow capacity, and adjustable pressure range of 10 to 180 psi via knob. Used in pneumatic systems to control and stabilize air pressure for tools and equipment in industrial settings
ARO 1500 Series air regulator with aluminum body, 1/4 in NPT ports, 170 scfm flow capacity, 140 psi operating pressure, and 250 psi maximum pressure. Knob adjustment for precise pressure control in pneumatic systems
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ARO 1500 Series air regulator with aluminum body, 1/4 in NPT ports, 170 scfm flow capacity, 140 psi operating pressure, and 250 psi maximum pressure. Knob adjustment for precise pressure control in pneumatic systems
Aluminum air regulator from the ARO 2000 Series with 3/4 in NPT connection. Provides flow capacity of 210 cfm and adjustable pressure range of 0 psi to 140 psi via knob control. Used to regulate and stabilize downstream air pressure in pneumatic systems
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Aluminum air regulator from the ARO 2000 Series with 3/4 in NPT connection. Provides flow capacity of 210 cfm and adjustable pressure range of 0 psi to 140 psi via knob control. Used to regulate and stabilize downstream air pressure in pneumatic systems
This ARO 1000 Series air regulator controls downstream pressure in pneumatic systems. It features a 1/4 in NPT port, 59 cfm flow capacity, and 0-140 psi pressure range with knob adjustment. The aluminum body provides corrosion resistance. No gauge included
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This ARO 1000 Series air regulator controls downstream pressure in pneumatic systems. It features a 1/4 in NPT port, 59 cfm flow capacity, and 0-140 psi pressure range with knob adjustment. The aluminum body provides corrosion resistance. No gauge included

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