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ARO Precision Compressed Air Regulator: Zinc Die-Cast, 3/8 in NPT, 14 cfm, 2 psi to 25 psi - Precision Air Regulators
AROPrecision Air Regulators

ARO Precision Compressed Air Regulator: Zinc Die-Cast, 3/8 in NPT, 14 cfm, 2 psi to 25 psi

The ARO Precision Compressed Air Regulator (MPN PR4031-300) is a zinc die-cast precision air regulator with a 3/8 in NPT port size, 14 cfm flow capacity, and an adjustable pressure range of 2 psi to 25 psi via a…

SKU 3G-OTH-138401

Also listed as: PR4031300 · PR4031 300

Brand
ARO
Item
Precision Compressed Air Regulator: Zinc Die-Cast, 3/8 in NPT, 14 cfm, 2 psi to 25 psi
Category
Precision Air Regulators
Available to Order
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Technical specs
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Local availability & support — the Philippines

Delivery
5–8 business days door-to-door; Bureau of Customs clearance typically 2–4 business days.
Payment
Invoicing in PHP or USD. Bank transfer and corporate PO accepted.
Ships to
Manila, Quezon City, Cebu, Davao, Batangas

Technical Specifications

ARO
Manufacturer Part Number
PR4031-300
Type
14 cfm, 2 psi to 25 psi, Knob
NPT
3/8 in

Technical Documents

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

Product Description

The ARO Precision Compressed Air Regulator (MPN PR4031-300) is a zinc die-cast precision air regulator with a 3/8 in NPT port size, 14 cfm flow capacity, and an adjustable pressure range of 2 psi to 25 psi via a knob. This ARO-branded unit is designed for precise air pressure control in industrial pneumatic systems.

Supplied to the Philippines — compatible with 60 Hz installations. DHL Express delivery to Manila, Quezon City, Cebu, customs and duties handled door-to-door.

Frequently Asked Questions

What is the ARO Precision Compressed Air Regulator PR4031-300 used for?

The ARO Precision Compressed Air Regulator PR4031-300 is used for precise air pressure control in industrial pneumatic systems. It is ideal for applications requiring stable, adjustable pressure from 2 psi to 25 psi, such as in manufacturing, automation, and process control where consistent airflow is critical.

What are the specifications of the ARO PR4031-300 regulator?

The ARO PR4031-300 is a zinc die-cast precision air regulator with a 3/8 in NPT port size, 14 cfm flow capacity, and an adjustable pressure range of 2 psi to 25 psi via a knob. It is an ARO-branded unit designed for precise air pressure control in industrial pneumatic systems.

Where to buy the ARO PR4031-300 regulator worldwide?

You can source the ARO PR4031-300 regulator worldwide through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to your location. Contact us for availability and lead time; we supply this ARO precision regulator to customers globally.

How to install the ARO PR4031-300 precision air regulator?

To install the ARO PR4031-300, mount it in-line with your compressed air system using the 3/8 in NPT ports. Ensure the flow direction matches the arrow on the body. Adjust the knob to set the desired pressure between 2 psi and 25 psi. Always follow standard pneumatic safety practices and consult the manufacturer's manual for detailed guidance.

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 precision 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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Cross-referenced by specification & description
ARO Precision Compressed Air Regulator: Zinc Die-Cast, 3/8 in NPT, 14 cfm, 2 psi to 60 psi, Knob (MPN PR4031-200)
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ARO Compressed Air Regulator: Aluminum, 3/4 in NPT, 290 cfm, 0 psi to 140 psi, Knob, 3000 Series (MPN R37451-100)
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ARO Compressed Air Regulator: Aluminum, 3/4 in NPT, 290 cfm, 0 psi to 140 psi, Knob, 3000 Series (MPN R37451-100)
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ARO Compressed Air Regulator: Aluminum, 3/8 in NPT, 113 cfm, 0 psi to 140 psi, Knob, 1500 Series (MPN R37231-100)

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