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

ARO Brass Regulator: Brass, 1/4 in, 13 scfm, 125 psig, 250 psig Max Op Pressure - ARO FRL Air Regulators
AROARO FRL Air Regulators

ARO Brass Regulator: Brass, 1/4 in, 13 scfm, 125 psig, 250 psig Max Op Pressure

The ARO Brass Regulator (MPN B27122-020) is a 1/4 in FRL air regulator with a maximum operating pressure of 250 psig, rated at 13 scfm and 125 psig, and features a knob adjustment. As an ARO product, it is part of…

SKU 3G-OTH-137166

Also listed as: B27122020 · B27122 020

Brand
ARO
Item
Brass Regulator: Brass, 1/4 in, 13 scfm, 125 psig, 250 psig Max Op Pressure
Category
ARO FRL Air Regulators
Available to Order
Trade pricing by quote — replies within 24h
Qty
WhatsApp an engineerMessage via Telegram
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

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
B27122-020
Type
1/4 in, 13 scfm, 125 psig, 250 psig Max Op Pressure, Knob

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 Brass Regulator (MPN B27122-020) is a 1/4 in FRL air regulator with a maximum operating pressure of 250 psig, rated at 13 scfm and 125 psig, and features a knob adjustment. As an ARO product, it is part of our broader industrial solutions across 14 departments, with specialist depth in combustion, pumps, and controls.

Frequently Asked Questions

What is the ARO Brass Regulator B27122-020 used for?

The ARO Brass Regulator B27122-020 is used to control and stabilize air pressure in pneumatic systems. It is commonly applied in industrial manufacturing, assembly lines, and maintenance shops where precise pressure regulation is needed to protect downstream equipment and ensure consistent operation.

What are the specifications of the ARO Brass Regulator B27122-020?

The ARO Brass Regulator B27122-020 has a 1/4 inch port size, a flow capacity of 13 scfm, and a maximum operating pressure of 250 psig with a regulated pressure range up to 125 psig. It features a brass body and a knob adjustment mechanism for easy pressure setting.

Where to buy the ARO Brass Regulator B27122-020 worldwide?

You can source the ARO Brass Regulator B27122-020 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide destinations, ensuring you receive the correct ARO regulator for your pneumatic system.

How to install the ARO Brass Regulator B27122-020?

To install the ARO Brass Regulator B27122-020, first ensure the air supply is off and depressurized. Connect the inlet port to the air source using compatible fittings, then adjust the knob to set the desired outlet pressure. Always follow standard pneumatic safety practices and consult the manufacturer's guidelines for proper mounting orientation.

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

Compatible alternatives & equivalents

Cross-referenced by specification & description
ARO Regulator: Aluminum, 1/4 in NPT, 170 scfm, 140 psi, 250 psi Max Op Pressure, Knob, 1500 Series (MPN R37221-600)
ARO
ARO Regulator: Aluminum, 1/4 in NPT, 170 scfm, 140 psi, 250 psi Max Op Pressure, Knob, 1500 Series (MPN R37221-600)
ARO Regulator: Aluminum, 3/4 in NPT, 300 scfm, 250 psi, 140 psi Max Op Pressure, Knob, 3000 Series (MPN R37451-600)
ARO
ARO Regulator: Aluminum, 3/4 in NPT, 300 scfm, 250 psi, 140 psi Max Op Pressure, Knob, 3000 Series (MPN R37451-600)
ARO Compressed Air Regulator: Aluminum, 1/4 in NPT, 59 cfm, 0 psi to 140 psi, Knob, 1000 Series (MPN R37121-600)
ARO
ARO Compressed Air Regulator: Aluminum, 1/4 in NPT, 59 cfm, 0 psi to 140 psi, Knob, 1000 Series (MPN R37121-600)
ARO Compressed Air Regulator: Aluminum, 2 in NPT, 2,000 cfm, 5 psi to 125 psi, Knob, 6 in Overall Wd (MPN R47591-100)
ARO
ARO Compressed Air Regulator: Aluminum, 2 in NPT, 2,000 cfm, 5 psi to 125 psi, Knob, 6 in Overall Wd (MPN R47591-100)
ARO Compressed Air Regulator: Aluminum, 3/8 in NPT, 113 cfm, 0 psi to 140 psi, Knob, 1500 Series (MPN R37231-600)
ARO
ARO Compressed Air Regulator: Aluminum, 3/8 in NPT, 113 cfm, 0 psi to 140 psi, Knob, 1500 Series (MPN R37231-600)
ARO Compressed Air Regulator: Aluminum, 1/4 in NPT, 86 cfm, 0 psi to 140 psi, Knob, 1500 Series (MPN R37221-100)
ARO
ARO Compressed Air Regulator: Aluminum, 1/4 in NPT, 86 cfm, 0 psi to 140 psi, Knob, 1500 Series (MPN R37221-100)

More from ARO

View all ARO parts
ARO Regulator: Aluminum, 1/8 in NPT, 45 scfm, 0 psi to 140 psi, 250 psi Max Op Pressure, Knob (MPN R37111-600)
ARO
ARO Regulator: Aluminum, 1/8 in NPT, 45 scfm, 0 psi to 140 psi, 250 psi Max Op Pressure, Knob (MPN R37111-600)
ARO Compressed Air Regulator: Aluminum, 1 in NPT, 400 cfm, 5 psi to 125 psi, 290 psi Max Op Pressure (MPN R47561-100)
ARO
ARO Compressed Air Regulator: Aluminum, 1 in NPT, 400 cfm, 5 psi to 125 psi, 290 psi Max Op Pressure (MPN R47561-100)
ARO
ARO
ARO Regulator: Aluminum, 222 cfm, 250 psi Max Op Pressure, 3 1/8 in Overall Wd, 2000 Series (MPN R37331-600)
ARO Compressed Air Regulator: Aluminum, 1 in NPT, 400 cfm, 10 psi to 180 psi, T-Handle (MPN R47561-300)
ARO
ARO Compressed Air Regulator: Aluminum, 1 in NPT, 400 cfm, 10 psi to 180 psi, T-Handle (MPN R47561-300)
ARO Compressed Air Regulator: Aluminum, 3/4 in NPT, 290 cfm, 0 psi to 140 psi, Knob, 3000 Series (MPN R37451-100)
ARO
ARO Compressed Air Regulator: Aluminum, 3/4 in NPT, 290 cfm, 0 psi to 140 psi, Knob, 3000 Series (MPN R37451-100)
ARO Regulator: Aluminum, 3/4 in NPT, 240 scfm, 250 psi, 140 psi Max Op Pressure, Knob, 2000 Series (MPN R37351-600)
ARO
ARO Regulator: Aluminum, 3/4 in NPT, 240 scfm, 250 psi, 140 psi Max Op Pressure, Knob, 2000 Series (MPN R37351-600)
ARO Compressed Air Regulator: Aluminum, 3/8 in NPT, 113 cfm, 0 psi to 140 psi, Knob, 1500 Series (MPN R37231-100)
ARO
ARO Compressed Air Regulator: Aluminum, 3/8 in NPT, 113 cfm, 0 psi to 140 psi, Knob, 1500 Series (MPN R37231-100)
ARO Regulator: Aluminum, 1/2 in NPT, 240 scfm, 200 psi, 250 psi Max Op Pressure, Knob, 2000 Series (MPN R37341-300)
ARO
ARO Regulator: Aluminum, 1/2 in NPT, 240 scfm, 200 psi, 250 psi Max Op Pressure, Knob, 2000 Series (MPN R37341-300)