IMI Norgren R73G-2GK-RFN Pressure Regulator - Relieving
Part Number: R73G-2GK-RFN
Quick Summary
Pressure Regulator Norgren R73G-2GK-RFN delivers precise downstream pressure control for pneumatic systems, enabling consistent actuator response in automated lines. Engineers often struggle with pressure fluctuations that lead to inconsistent cycle times, premature wear, and higher energy consumption. This Excelon design supports CE conformity and can be configured with IP-rated housings; SIL readiness depends on the system safety design and installation environment. With inline or modular installation, a knob-adjustment scheme, and a robust 20 bar inlet rating, it delivers reliable performance in busy production environments while helping you reduce downtime and maintenance costs.
Product Information
Extended Description
R73G-2GK-RFN 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
G1/4
Gauge Port
Rc1/8
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
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
R82G-2GK-RFN
Excelon Plus general purpose regulator, G1/4", 0.3-4 bar
R82G-2GK-RFG
Excelon Plus general purpose regulator, G1/4", 0.3-4 bar, integrated gauge
Feature: Balanced valve design for optimum pressure control. Business Impact: Delivers steady downstream pressure despite flow changes, improving actuator performance and cycle consistency. Application: Use in general purpose pneumatic regulation across automation lines where consistent response is critical. Feature: Relieving regulator capability to drop downstream pressure when the system is dead-ended. Business Impact: Protects components from overpressure and reduces energy waste by isolating the downstream side during faults. Application: Suitable for air-tools and cylinders in fast-throughput production cells. Feature: Inline or modular installation versatility. Business Impact: Simplifies integration with existing manifolds and minimizes retrofit work, lowering installation time and cost. Application: Fits standard G1/4 connections and supports compact layouts in control panels. Feature: Push to lock adjusting knob with tamper-resistant option. Business Impact: Prevents accidental changes, ensuring setpoint stability and repeatable performance. Application: Critical when multiple technicians service the line or in high-vibration environments. Feature: Durable materials and monitoring options. Business Impact: Die-cast aluminium body and nitrile elastomer seals withstand industrial temperatures and air quality; gauge port Rc1/8 enables field verification for quality control and maintenance. Application: Works in temperatures -34 to 80 °C and up to 20 bar inlet pressure.
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FAQs
Mount the regulator using the standard G1/4 ports for inlet and outlet connections. Utilize the gauge port Rc1/8 for pressure monitoring, and choose inline or modular installation per the Excelon design. Ensure tight fittings to prevent leaks, verify correct orientation for gauge access, and confirm the maximum 20 bar inlet pressure before startup.
Key specs include an outlet pressure range of 0.3 to 4 bar (4–58 psi), maximum inlet pressure of 20 bar, and a flow capacity of 60 dm3/s (127 scfm). It uses a G1/4 port with a gauge port Rc1/8 and functions as a relieving regulator. Construction features include a die-cast aluminium body and nitrile elastomer seals with a compact footprint.
Yes. The Excelon R73G-2GK-RFN is designed for general purpose pneumatic regulation in automation lines, offering stable pressure control for cylinders, grippers, and similar actuators. Its balanced valve design maintains consistent performance under fluctuating demand, while inline or modular installation supports flexible integration without extensive rework in standard control panels.
Certification specifics depend on the configuration. Look for CE conformity to meet European safety standards, and check whether IP-rated variants match your enclosure requirements. SIL readiness depends on your safety system design and integration. Always confirm exact certifications for your chosen configuration in the datasheet or with your supplier before deployment.
The relieving model reduces downstream pressure when the system is dead-ended, minimizing wear and extending component life. A knob with tamper-resistant options helps maintain setpoint stability and reduces maintenance calls due to unintended adjustments. Combined with robust materials and straightforward installation, this regulator lowers downtime and energy waste, delivering measurable ROI in busy production environments.