Norgren R73G-4GK-RMN Pressure Regulator - Excelon Relieving
Part Number: R73G-4GK-RMN
Quick Summary
The R73G-4GK-RMN pressure regulator maintains precise downstream pressure in compressed-air systems. This solution helps engineers avoid pressure drift and protect delicate pneumatic components in automation lines. The Excelon design supports in-line or modular installation, while a balanced valve ensures stable control and a push-to-lock knob (tamper-resistant option available) reduces unintended setpoint changes in busy environments. For reliability and safety, this regulator aligns with common industry practices, with robust enclosure considerations and interfaces suitable for safe control integration in European and global markets. By combining compact form with rugged construction, it delivers predictable performance for manufacturing, packaging, and process automation, making it a strong fit for cost-conscious plants seeking consistent pressure regulation and easy maintenance.
Product Information
Extended Description
R73G-4GK-RMN 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
G1/2
Gauge Port
Rc1/8
Adjustment
Knob
Maximum Inlet Pressure
20 bar
Outlet Pressure Adjustment
0.3 ... 10 bar, 4 ... 145 psi
Relieving / Non Relieving
Relieving
Flow
60 dm3/sec, 127 scfm
Materials - Adjusting Knob
Acetal resin
Materials - Body
Diecast aluminium
Materials - Bonnet
Zinc
Materials - Elastomers
Nitrile rubber
Dimensions - Height
62 mm
Dimensions - Length
135 mm
Dimensions - Width
68 mm
Weight
0.48 kg
Country of Origin
Mexico
Range
R73G
Series
Excelon
Brand
IMI Norgren
R84G-4GK-RMN
Excelon Plus general purpose pressure regulator, G1/2, 0.3-10 bar, without gauge
R84G-4GK-RMG
Excelon Plus general purpose pressure regulator, G1/2, 0.3-10 bar, integrated gauge
Feature: Balanced valve design delivers precise pressure control, minimizing overshoot and fluctuation. Benefit: Improves system stability and protects downstream actuators, reducing wear and downtime in automated lines. Application: General purpose pneumatic circuits in packaging and assembly cells. Feature: In-line or modular installation support allows flexible integration. Benefit: Saves space and simplifies retrofits or scale-ups, enabling quick installation on existing manifolds or compact machines. Application: Retrofit projects and new-build automation cells where footprint is critical. Feature: Relieving regulator capability enables controlled pressure reduction in dead-ended sections. Benefit: Reduces risk of over-pressure events and improves safety in complex pneumatic networks. Application: Systems with potential dead-ends or stopping points in production lines. Feature: Push-to-lock adjusting knob with tamper-resistant style option enhances setpoint stability. Benefit: Prevents accidental changes in busy environments and lowers maintenance calls. Application: Shared equipment in multi-user facilities or cleanroom areas where integrity of settings matters. Feature: G1/2 port size with Rc1/8 gauge port supports standard pneumatic connections. Benefit: Streamlines sourcing of fittings and gauges, reducing installation time and risk of leaks. Application: Typical automation PLC/valve banks and control panels. Feature: Wide operating range with max inlet 20 bar and outlet 0.3–10 bar provides versatile control. Benefit: Accommodates various plant pressures and process requirements, decreasing the need for multiple regulators. Application: General-purpose compressed air regulation across multiple production lines.
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FAQs
The regulator uses a G1/2 supply port and a gauge port Rc1/8 for monitoring. This combination aligns with common pneumatic standards, enabling straightforward integration with standard hoses, fittings, and gauges used in automation panels and machine builds.
Yes, it is a relieving model. When the downstream is dead-ended, the regulator relieves excess pressure to maintain safety and protect downstream components, preventing pressure spikes that could damage actuators or downstream valves.
Operating temperature ranges from -34 to 80 °C (-29 to 176 °F). The body is diecast aluminium, the bonnet is zinc, and the adjusting knob is Acetal resin, with nitrile rubber elastomers to seal critical interfaces, providing durable performance in typical plant environments.
Maximum inlet pressure is 20 bar, with an adjustable outlet range of 0.3 to 10 bar (4 to 145 psi). This broad range supports various automation applications and reduces the need for multiple regulators across different processes.
Excelon regulators are designed for both inline and modular installation, enabling easy integration into existing manifolds or compact machine footprints. This flexibility reduces retrofit time, simplifies serviceability, and supports scalable automation without sacrificing reliability.