Norgren R73G-2AK-RFG Excelon pressure regulator - Relieving
Part Number: R73G-2AK-RFG
Quick Summary
R73G-2AK-RFG Excelon pressure regulator provides precise upstream pressure control for compressed air systems in automation applications. Many engineers struggle with downstream pressure variability and dead-end relief when lines are shut off. Designed to meet CE safety expectations and accommodate SIL-rated control in automation, with inline installation options. This Excelon regulator's compact body supports inline or modular installation, delivering stable regulation across temperatures and enhancing machine uptime. By reducing set-point drift and minimizing wasted compressed air, it helps lower operating costs in pneumatic systems.
Product Information
Extended Description
R73G-2AK-RFG 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
1/4" PTF
Gauge Port
1/4" PTF
Adjustment
Knob
Maximum Inlet Pressure
20 bar
Outlet Pressure Adjustment
0.3 ... 4 bar, 4 ... 58 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
Range
R73G
Series
Excelon
Brand
IMI Norgren
R82G-2AK-RFG
Excelon Plus general purpose regulator, 1/4" NPT, 0.3-4 bar, integrated gauge
Excelon design allows inline or modular installation, enabling rapid deployment and scalable retrofits in modern plants. This in-line compatibility reduces piping complexity and frees valuable panel space, cutting installation time and labor costs. Use cases include automation manifolds, packaging lines, and test rigs where fast reconfiguration and compact footprints matter. Feature: Balanced valve design provides stable pressure regardless of flow variation. Business Impact: improves downstream control, extends seal and component life, and reduces process fluctuation. Application: ideal for cylinder control in robotics and actuation-heavy automation environments. Relieving capability is standard, allowing downstream pressure to be reduced when the system is dead-ended, protecting components and simplifying safety procedures. Application: critical in lines subject to blockages or pressure surges to prevent over-pressurization. Inline or modular installation supports flexible retrofits in existing plants, saving space and enabling phased upgrades. Knob-adjustment with push-to-lock and tamper-resistant accessory ensures consistent setpoints and operator safety, reducing drift and unintended changes. Materials interplay: Acetal adjusting knob, die-cast aluminium body, zinc bonnet, nitrile elastomers provide durability in industrial environments. Temperature range of -34 to 80 °C and a 20 bar maximum inlet support reliable operation in diverse factory conditions, while 1/4" PTF ports and a gauge port simplify replacement and service.
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FAQs
R73G-2AK-RFG is designed for straightforward integration with 1/4" PTF ports and a 1/4" gauge port, supporting both inline and modular configurations. For retrofit projects, mount options on standard manifolds simplify replacement and minimize downtime. The operable temperature range and compact aluminium body help fit into crowded control panels without sacrificing accessibility for maintenance.
The regulator provides an outlet pressure adjustment of 0.3 to 4 bar (4 to 58 psi) with a maximum inlet pressure of 20 bar. It features a gauge port for real-time monitoring and a balanced valve design to minimize pressure drift during flow changes, enhancing actuator performance and process stability in automation tasks.
Yes. The Excelon R73G model is well-suited to packaging lines, robotics, and test rigs where precise regulation, fast commissioning, and compact footprints are critical. Inline or modular installation supports flexible layouts, while the durable die-cast aluminium body and nitrile elastomers withstand typical factory conditions, reducing downtime and maintenance costs.
The R73G-2AK-RFG is designed to meet industry expectations for CE safety and quality, with compatibility for SIL-rated control schemes in automation. While model-specific certifications should be verified for your facility, the Excelon line is built to align with common regulatory and safety requirements in pneumatic systems.
The regulator’s robust materials (die-cast aluminium, zinc bonnet, nitrile elastomers, acetal knob) support long service life with low maintenance. Features such as gauge readout, push-to-lock adjustment, and relieiving capability reduce setup time, prevent drift, and lower energy waste—delivering faster payback through improved machine uptime and lower operating costs.