Norgren R84G-4GT-RMG Pressure Regulator - Integrated Gauge
Part Number: R84G-4GT-RMG
Quick Summary
The Norgren R84G-4GT-RMG pressure regulator provides precise compressed air control for automated manufacturing applications. Engineers often face fluctuating line pressure and bulky regulators that slow changeovers and encumber maintenance. While CE compliance and SIL/IP-rated options are common in this product family, verify the exact credentials in the datasheet. The Excelon Plus platform delivers a compact, modular solution with an integrated gauge, reducing footprint and simplifying installation, which supports faster commissioning and lower lifecycle costs.
Product Information
Extended Description
R84G-4GT-RMG Norgren: Reduced weight and size | Flush mounted integrated gauge | A flexible modular system | T-bar adjustment
Medium
Compressed air
Operating Temperature
-20 ... 65 °C, -4 ... 149 °F
Port Size
G1/2
Gauge Port
Rc1/8
Adjustment
T-bar
Maximum Inlet Pressure
20 bar
Outlet Pressure Adjustment
0.3 ... 10 bar, 4 ... 145 psi
Relieving / Non Relieving
Relieving
Flow
125 dm3/sec, 265 scfm
Materials - Adjusting Knob
Zinc plated steel
Materials - Body
Diecast aluminium
Materials - Bonnet
POM
Materials - Elastomers
Nitrile rubber
Range
R84G
Series
Excelon Plus
Brand
IMI Norgren
840048-89KIT
Excelon Plus Panel Nut
840073-01KIT
Excelon Plus Integrated Gauge, 10 bar
840024-50KIT
Excelon Plus General Mounting Bracket
840014-51KIT
Excelon Plus Quikclamp
840014-52KIT
Excelon Plus Quikclamp with Bracket Assembly
840068-51KIT
Excelon Plus Neck Mounting Bracket and Panel Nut
FRLB84-KIT
Excelon Plus R84/B84 Elastomer Service Kit
The R84G-4GT-RMG features a flush-mounted integrated gauge for fast, at-a-glance pressure verification, enabling quicker setup and reduced commissioning time, particularly in panel-mounted installations. This translates to lower labor costs and fewer commissioning errors during line startup while improving process visibility. The G1/2 port and 0.3–10 bar outlet range provide broad compatibility with standard automation blocks, reducing replacement complexity when system pressure requirements shift. With a 20 bar maximum inlet, the regulator accommodates typical plant air supply variations, improving stability and reducing downstream fluctuations that can affect downstream actuators. The relieving design minimizes backpressure and wasted air, enhancing energy efficiency on continuous processes. The 125 dm3/s flow rating supports demanding cycles without significant pressure drop, keeping actuators responsive and performance consistent. Diecast aluminium body, zinc-plated adjusting knob, POM bonnet, and nitrile elastomers deliver robust durability in harsh factory environments while preserving ease of maintenance and field serviceability. The Excelon Plus family’s mounting options and quick-clamp accessories streamline installation, minimizing downtime during retrofit or upgrades. This combination of compactness, modularity, and reliable components supports scalable automation, easier spare-part planning, and cost-effective lifecycle management.
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FAQs
Install the R84G-4GT-RMG using the Excelon Plus mounting brackets (eg 840024-50KIT) for secure panel or machine mounting. The unit’s compact diecast aluminium body pairs with quick-clamp systems (840014-51KIT / 840014-52KIT) to reduce assembly time. Verify panel clearance and gauge readability to ensure easy access for maintenance and pressure adjustments.
The regulator provides an adjustable outlet range of 0.3 to 10 bar (4 to 145 psi) using the T-bar adjustment. Setpoint is verified via the flush-mounted integrated gauge. For tight tolerances, allow temperature compensation and verify supply stability to avoid drift. The relieving design helps maintain consistent setpoints under dynamic loads.
Yes. The unit uses G1/2 medium port sizing for easy integration with standard compressed-air circuits and a Rc1/8 gauge port for direct gauge connections. This combination supports straightforward retrofits and compatible piping, while preserving reliable needle-valve control via the T-bar adjustment.
Important considerations include CE compliance and any SIL or IP-related credentials applicable to your safety and reliability requirements. Since exact unit certifications vary by region and lot, review the datasheet and supplier documentation for the specific serial you’re deploying, especially when this regulator is used in high-availability or hazardous environments.
The R84G-4GT-RMG uses durable materials (diecast aluminium body, zinc-plated knob, POM bonnet, nitrile elastomers) and supports Elastomer Service Kits (FRLB84-KIT) for elastomer replacements. Its modular Excelon Plus design enables easier part availability and phased maintenance, reducing downtime and extending service intervals for high-demand automation lines.