Norgren R73G-3AT-RSN Pressure Regulator - Excelon Relieving
Part Number: R73G-3AT-RSN
Quick Summary
R73G-3AT-RSN pressure regulator delivers precise downstream control for pneumatic systems in manufacturing and automation. Pressure swings often complicate actuator motion and raise energy use, impacting uptime and maintenance. This Excelon model features a balanced valve design and supports inline or modular installation, with relieving to protect downstream circuits in dead-ended conditions. The push-to-lock adjusting knob and tamper-resistant accessory help maintain setpoints in regulated environments. When evaluating regulators, engineers commonly check CE conformity and other standards, alongside temperature range and port options, to ensure seamless integration. The result is improved process stability, reduced wear, and lower operating costs across the line.
Product Information
Extended Description
R73G-3AT-RSN Norgren: Excelon design allows in-line or modular installation | Balanced valve design for optimum pressure control | Standard relieving models allow reduction of downstream pressure when the system is dead-ended | Push to lock adjusting knob with tamper resistant accessory
Medium
Compressed air
Operating Temperature
-34 ... 80 °C, -29 ... 176 °F
Port Size
3/8" PTF
Gauge Port
1/4" PTF
Adjustment
T-bar
Maximum Inlet Pressure
20 bar
Outlet Pressure Adjustment
0.7 ... 17 bar, 10 ... 247 psi
Relieving / Non Relieving
Relieving
Flow
60 dm3/sec, 127 scfm
Materials - Adjusting Knob
Zinc plated carbon steel
Materials - Body
Diecast aluminium
Materials - Bonnet
Zinc
Materials - Elastomers
Nitrile rubber
Range
R73G
Series
Excelon
Brand
IMI Norgren
R84G-3AT-RSG
Excelon Plus general purpose pressure regulator, 3/8 PTF, 0.7-17 bar, integrated gauge
Feature: Excelon general purpose pressure regulator design enables inline or modular installation. Benefit: simplifies installation in existing panels and scalable systems, reducing commissioning time and field recalibration. Application: machine cells and assembly lines that require quick integration without bespoke manifolds. Feature: Balanced valve design for optimum pressure control and fast response. Benefit: minimizes overshoot and oscillation, extending actuator life and improving cycle consistency. Application: pneumatic cylinders and grippers where precise pressure holds are critical. Feature: Relieving model to reduce downstream pressure when the system is dead-ended. Benefit: enhances system safety and protects downstream devices from overpressure during faults. Application: lines prone to dead-end conditions or rapid shutdown sequences. Feature: Push-to-lock adjusting knob with tamper-resistant accessory. Benefit: preserves setpoints and reduces drift from unintended adjustments in regulated environments. Application: cleanroom, automotive, and packaging lines with strict process controls. Feature: Durable materials—die-cast aluminium body, zinc bonnet and adjusting knob, nitrile elastomer seals. Benefit: provides robust, corrosion-resistant construction with reliable seal life. Application: general purpose compressed air systems across varied industrial environments. Feature: 3/8" PTF port with 1/4" gauge port and 0.7–17 bar outlet range. Benefit: offers flexible sensing and integration options while covering a broad control window. Application: OEMs and retrofits needing compatible porting and adjustable outputs. Feature: Max inlet pressure up to 20 bar and flow of 60 dm3/s (127 scfm). Benefit: supports high-demand circuits with stable supply, reducing pressure starvation risk. Application: applications requiring consistent flow in medium-sized pneumatic networks.
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FAQs
The R73G-3AT-RSN uses a 3/8" PTF process port with a 1/4" gauge port, supporting inline or modular installation. This makes it easy to drop into existing systems without major plumbing changes, while the gauge port provides optional monitoring for precise setpoint verification.
Operating temperature ranges from -34 to 80 °C (-29 to 176 °F). Maximum inlet pressure is 20 bar, with outlet pressure adjustable from 0.7 to 17 bar (10 to 247 psi). Flow is 60 dm3/s (127 scfm), making it suitable for medium-capacity pneumatic networks.
Yes, this model is a relieving regulator. When a downstream line is dead-ended, it allows controlled pressure reduction to prevent overpressure in the circuit, enhancing safety and protecting downstream devices during fault or stall scenarios.
The push-to-lock adjusting knob enables quick, repeatable setpoint changes while a tamper-resistant accessory helps prevent accidental drift. This combination improves control stability over time and reduces costly recalibration, especially in high-vibration or regulated environments.
Ideal for general automation, manufacturing cells, robotics, and packaging lines requiring stable pneumatic control. Its inline or modular installation and robust Excelon design support reliable operation across varied environments, while the 3/8" porting and relief function align with common OEM and retrofit applications.