Norgren R82R-2AK-RFG Excelon Plus Regulator - 0.3–4 bar

Part Number: R82R-2AK-RFG
Manufacturer
Norgren
Part number
R82R-2AK-RFG

Quick Summary

The Norgren R82R-2AK-RFG Excelon Plus reverse flow regulator is a precise outlet pressure control device for compressed air used in automated manufacturing and plant-wide tooling. In practice, users often battle drift, unintended adjustments, and slow setup times that throttle line efficiency. This regulator leverages a push to lock adjusting knob with a tamper-resistant feature and a flush-mounted integrated gauge to minimize calibration drift and misadjustment. Built to meet industry expectations for safety and reliability, it aligns with CE environmental standards and supports compliant operation in controlled environments. For engineers tasked with compact, repeatable pressure control, the Excelon Plus delivers predictable performance with streamlined installation and reduced maintenance overhead.

Product Information

Extended Description

R82R-2AK-RFG Norgren: Reduced weight and size | Flush mounted integrated gauge | A flexible modular system | Push to lock adjusting knob with built in tamper resistant feature | Reverse flow
Medium
Compressed air
Operating Temperature
-20 ... 65 °C, -4 ... 149 °F
Port Size
1/4" PTF
Gauge Port
1/8" PTF
Adjustment
Knob
Maximum Inlet Pressure
20 bar
Outlet Pressure Adjustment
0.3 ... 4 bar, 4 ... 58 psi
Relieving / Non Relieving
Relieving
Flow
33 dm3/sec, 70 scfm
Materials - Adjusting Knob
Acetal
Materials - Body
Diecast aluminium
Materials - Bonnet
POM
Materials - Elastomers
Nitrile rubber
Dimensions - Height
115 mm
Dimensions - Length
47 mm
Dimensions - Width
56 mm
Weight
0.23 kg
Country of Origin
Mexico
Range
R82R
Series
Excelon Plus
Brand
IMI Norgren
Feature to business impact to application pattern for each point: The integrated gauge and flush-mount design reduce panel depth and simplify on-site monitoring, enabling quicker commissioning and fewer external gauge adapters, which translates into faster line start-ups. The push-to-lock knob with built-in tamper resistance protects setpoints from inadvertent changes in busy production cells, lowering drift and rework costs, especially in high-cycle tooling stations. The reverse flow capability guards downstream components from backflow, improving system reliability in critical pneumatic circuits and decreasing unplanned downtime during tool changes. The 1/4" PTF port sizing provides standard, widely available connections, while the 1/8" gauge port facilitates accurate in-situ pressure verification without extra fittings, improving measurement confidence. With a maximum 20 bar inlet and 0.3–4 bar adjustable outlet, the regulator supports diverse automation layouts while staying within safety margins, reducing retrofit risk. The Excelon Plus body uses diecast aluminium with an acetal knob and nitrile elastomers, delivering a robust, lightweight unit suitable for high-frequency operation in demanding environments. Industry experience shows that compact, modular regulators like this one save enclosure space and simplify maintenance planning, contributing to lower total cost of ownership and easier spare-part management for OEMs and integrators. Compatibility with standard mounting brackets and common pneumatic fittings ensures straightforward installation in new or retrofit projects, while the reliving feature helps protect actuators from excessive downstream pressure, aligning with common safety and performance benchmarks in plant air systems.

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FAQs

Plan for standard 1/4" PTF connections at the inlet/outlet and 1/8" PTF gauge port routing. Ensure mounting surface is solid and accessible for gauge readings. Verify clearance for the integrated gauge and knob operation, and use compatible fittings to maintain seal integrity. The regulator's compact footprint simplifies panel layout and reduces enclosure depth, aiding retrofits and new builds alike.
Key specs include 1/4" PTF inlet/outlet ports, 1/8" gauge port, knob-adjust outlet with 0.3–4 bar range, maximum inlet pressure of 20 bar, and flow capacity of 33 dm3/s (70 scfm). It is a relieving regulator, suitable for backflow protection and stable downstream pressure in compressed air systems.
The product overview emphasizes robust mechanical construction (diecast aluminium body, nitrile elastomers) and compact design, with standard industry electrical/mechanical compliance. Specific IP ratings are not listed; for harsh environments, position the regulator behind protective enclosures or in cabinets designed for industrial automation to maintain reliability and prevent contamination.
The push-to-lock adjusting knob prevents accidental changes during operation, maintaining a constant pressure setpoint even in high-vibration environments or busy production lines. This reduces the need for re-calibration and minimizes process drift, ensuring consistent tool performance and output quality.
Regular inspection of the gauge for legibility, seals, and bonnet area for any signs of leakage is advised. Maintain the elastomer seals and O-rings per Phased PM guidelines, and stock common wear components like O-rings and protective caps. Given its modular, compact design, quick-draw replacements can minimize downtime during service events.