Norgren R73R-3GK-RMN Excelon Regulator - Relieving
Part Number: R73R-3GK-RMN
Quick Summary
Norgren R73R-3GK-RMN Excelon reverse flow regulator provides precise downstream pressure control for compressed-air systems. It helps mitigate pressure spikes and dead-ended line issues that slow lines and threaten equipment. Key certifications to verify include CE marking, SIL readiness, and IP protection, which ensure safe operation in industrial environments; check the datasheet for confirmation. The Excelon design enables in-line or modular installation, and its relieving model supports controlled downstream pressure when the system dead-ends, delivering reliable performance in automation lines. For procurement teams, this means reduced downtime and consistent actuation in standard pneumatic circuits.
Product Information
Extended Description
R73R-3GK-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 | Intergarted non-return valve allowing reverse flow
Medium
Compressed air
Operating Temperature
-34 ... 80 °C, -29 ... 176 °F
Port Size
G3/8
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
R82R-3GK-RMG
Excelon Plus reverse flow regulator, G3/8", 0.3-10 bar, integrated gauge
Feature: Balanced valve design provides smooth, steady downstream pressure with minimal oscillations. Business Impact: This stability reduces actuator chatter, extends tool life, and lowers maintenance costs in high-cycle pneumatic systems. Application: Ideal for automation lines and packaging conveyors where consistent actuation matters. Feature: Relieving model relieves downstream pressure when the line is dead-ended. Business Impact: Prevents pressure build-up, protects upstream components, and minimizes leakage. Application: Suitable for inline regulators in automated processes requiring safe dead-end operation. Feature: In-line or modular installation capability. Business Impact: Flexible integration reduces commissioning time and enables retrofit in existing circuits without redesign. Application: Perfect for compact factory layouts and modular automation frameworks. Feature: Knob adjustment with push-to-lock; tamper-resistant accessory. Business Impact: Maintains set-point integrity in busy environments and reduces drift due to accidental adjustments. Application: Field installations in production lines where operator access must be controlled. Feature: Integrated non-return valve provides reverse-flow protection. Business Impact: Protects downstream stages from backflow and contaminant reversal, preserving system performance. Application: Pneumatic circuits with long piping runs or backpressure risk. Feature: Robust materials and compact design. Business Impact: Diecast aluminium body, acetal knob, zinc bonnet, and nitrile elastomers yield durable performance in harsh environments while keeping panel footprint small. Application: General industrial air systems requiring reliability and space efficiency.
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FAQs
Install the regulator by mating the G3/8 inlet to the upstream line and the regulator outlet to the downstream port; connect a pressure gauge to the Rc1/8 gauge port for monitoring. Use proper seals and torque values per the installation guide. The inline or modular mounting supports quick retrofits without changing piping, reducing downtime.
The outlet is adjustable from 0.3 to 10 bar (4 to 145 psi), with a maximum inlet pressure of 20 bar. This range provides safe operation across typical automation systems while maintaining stable downstream pressure and protecting downstream devices from over-pressurization.
Yes, it features a relieving function that reduces downstream pressure when the line is dead-ended, protecting upstream components and enabling controlled shutdown. When selecting, verify the relief setting aligns with your process safety requirements and consult the datasheet for exact configuration options and limits.
Check CE marking, IP ratings, and SIL readiness aligned with your plant safety standards. Confirm materials and finishes meet environmental specs (Mexico origin) and ensure compatibility with your regulatory framework. Always reference the product datasheet and installation guide for verified certifications and suitability to your application.
The push-to-lock knob helps prevent drift, reducing recalibration needs, while the integrated non-return valve minimizes leakage and backflow. Its compact, robust design simplifies maintenance access in crowded panels. With stable pressure control and reduced downtime, you can expect lower maintenance costs and improved actuator performance across your pneumatic lines.