Norgren R73G-3GT-RMN General Purpose Pressure Regulator - Relieving
Part Number: R73G-3GT-RMN
Quick Summary
R73G-3GT-RMN pressure regulator is a precision tool for inline and modular control of downstream pressure in compressed air systems. This design addresses common challenges in automated lines where pressure fluctuations cause actuator stalling and energy waste. While the provided data does not list specific certifications, consult the official datasheet for CE, SIL, and IP ratings to verify compliance for your region. In practice, the Excelon regulator delivers reliable, tamper-resistant adjustment and straightforward inline installation, supporting reduced downtime and predictable performance across changing load conditions while enabling scalable, modular architectures in manufacturing environments.
Product Information
Extended Description
R73G-3GT-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
G3/8
Gauge Port
Rc1/8
Adjustment
T-bar
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
Zinc plated carbon steel
Materials - Body
Diecast aluminium
Materials - Bonnet
Zinc
Materials - Elastomers
Nitrile rubber
Range
R73G
Series
Excelon
Brand
IMI Norgren
4316-52
Porting Block - Excelon 73/74 Series, Connection G1/4"
T73T-3GA-P1N
Excelon 3/2 modular system shut-off valve, G3/8
4315-10
Quikmount pipe adapter
4461-50
Neck Mounting Bracket
4455-51
Tamper Resistant Cover and Wire
5191-88
Mounting nut
4314-51
Quikclamp
4314-52
Quikclamp with wall mounting bracket
4424-50
'Universal' Bracket
Feature: Excelon design allows in-line or modular installation → Business Impact: accelerates installation, reduces custom piping, and simplifies upgrades → Application: ideal for control panels and automation lines where space or future expansion is a factor. Feature: Balanced valve design → Business Impact: tighter pressure control with faster response and minimal overshoot → Application: downstream pressure stabilization for pneumatic actuators in packaging and handling systems. Feature: Relieving model → Business Impact: prevents downstream overpressure in dead-ended configurations, increasing system safety and component life → Application: critical in high-flow lines and safety-critical circuits. Feature: Push to lock adjusting knob with tamper resistant accessory → Business Impact: guards against drift and unauthorized changes, improving process reliability and audit readiness → Application: regulated environments and maintenance-heavy facilities. Feature: Robust materials (die-cast aluminium body, zinc bonnet, nitrile elastomers) → Business Impact: durable performance in harsh industrial environments and wide temperature ranges → Application: consistent operation from -34 to 80 °C and under varied service conditions. Feature: Gauge port Rc1/8 and field-ported options → Business Impact: enables direct monitoring and easy integration with instrumentation → Application: test, calibration, and feedback control within complex pneumatic systems. Overall, these attributes translate to measurable gains in efficiency, compliance confidence, and total cost of ownership when used within the Excelon 73/74 ecosystem and compatible accessories like 4316-52, 4315-10, and 4461-50.
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FAQs
Install the R73G-3GT-RMN using the G3/8 port connections, ensuring the regulator is oriented to allow easy access to the T-bar adjustment. Use the inline design for compact panels or add the Excelon accessories such as Quikmount (4314-51/4314-52) or neck mounting brackets (4461-50) to adapt to available space. Verify the gauge port Rc1/8 is connected to your sensing device to monitor downstream pressure, and ensure the maximum inlet pressure does not exceed 20 bar to prevent overpressure events.
Key specs include a 0.3–10 bar adjustable outlet, maximum inlet pressure of 20 bar, and a flow of 60 dm3/s (127 scfm). The G3/8 port size and Rc1/8 gauge port facilitate standard piping and monitoring. These parameters deliver tight, repeatable downstream pressure control across varying load conditions, reducing actuator overshoot and improving cycle consistency in automated lines while supporting a wide operating temperature range.
Yes, the R73G-3GT-RMN is a relieving regulator, specifically designed to reduce downstream pressure when the system is dead-ended. This capability protects downstream devices from overpressure, enhances safety, and minimizes risk during fault or standby conditions. When designing circuits, plan for reliving operation in sections prone to dead-heading and ensure proper vent routing is in place for safe pressure relief.
Certification details are not listed in the provided data. To verify CE, SIL, IP ratings, and other approvals, consult the Datasheet (PDF) and CAD resources or contact Norgren technical support. Always confirm regulatory compliance for your specific region and application before deployment to ensure alignment with your quality and safety programs.
Compatible accessories include Porting Block 4316-52 (Excelon 73/74 series), Shut-off valve T73T-3GA-P1N, Quikmount piping adapter 4315-10, Neck Mounting Bracket 4461-50, Tamper Resistant Cover and Wire 4455-51, and various mounting nuts (5191-88) and Quikclamp options (4314-51, 4314-52), plus universal brackets 4424-50. These components enable secure mounting, easy inline integration, and flexible routing to fit your machine layout and service requirements.