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ARO PR4055-300 Precision Air Regulator, 3/4 in NPT, 0-30 psi, 200 cfm - Precision Air Regulators
AROPrecision Air Regulators

ARO PR4055-300 Precision Air Regulator, 3/4 in NPT, 0-30 psi, 200 cfm

The ARO Precision Compressed Air Regulator, model PR4055-300, is a zinc die-cast precision air regulator with a 3/4 in NPT port size. It offers a flow capacity of 200 cfm and an adjustable pressure range of 0 psi to…

SKU 3G-OTH-138403

Also listed as: PR4055300 · PR4055 300

Brand
ARO
Item
PR4055-300 Precision Air Regulator, 3/4 in NPT, 0-30 psi, 200 cfm
Part Number
PR4055-300
Category
Precision Air Regulators
Available to Order
Also known as:PR4055-300ARO
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Technical Specifications

ARO
Manufacturer Part Number
PR4055-300
Type
200 cfm, 0 psi to 30 psi, Knob
NPT
3/4 in

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3G Electric (S) Pte. Ltd. — Singapore

Product Description

The ARO Precision Compressed Air Regulator, model PR4055-300, is a zinc die-cast precision air regulator with a 3/4 in NPT port size. It offers a flow capacity of 200 cfm and an adjustable pressure range of 0 psi to 30 psi, controlled via a knob. This unit does not include a filter (.

Frequently Asked Questions

What is the ARO Precision Compressed Air Regulator PR4055-300 used for?

The ARO Precision Compressed Air Regulator PR4055-300 is used to maintain a stable, adjustable output pressure in pneumatic systems. It is ideal for applications requiring precise pressure control, such as instrumentation, assembly tools, and air-operated equipment, where consistent pressure between 0 psi and 30 psi is critical.

What are the specifications of the ARO PR4055-300 regulator?

The ARO PR4055-300 is a zinc die-cast precision air regulator with a 3/4 in NPT port size. It has a flow capacity of 200 cfm and an adjustable pressure range of 0 psi to 30 psi, controlled by a knob. This unit does not include a filter. The manufacturer part number is PR4055-300.

Where to buy the ARO PR4055-300 regulator worldwide?

You can source the ARO PR4055-300 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 across multiple industries.

How to install the ARO PR4055-300 precision air regulator?

To install the ARO PR4055-300, mount it in-line with your compressed air system using the 3/4 in NPT ports. Ensure the flow direction matches the arrow on the body. Adjust the knob to set the desired output pressure between 0 psi and 30 psi. Always install upstream of equipment requiring regulated pressure.

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 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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