Norgren R73G-4AK-NMN Pressure Regulator - 0.3-10 bar
Part Number: R73G-4AK-NMN
Quick Summary
R73G-4AK-NMN Excelon pressure regulator provides precise pneumatic control for compressed air systems. Engineers often battle drift in setpoints and the complexity of inline installation that slows line efficiency. For global deployment, verify CE and SIL certifications as well as IP ratings in your region by consulting the official datasheet. This model supports inline or modular installation and uses a balanced valve design for stable pressure regulation, helping reduce troubleshooting time. Designed for industrial automation environments, it integrates easily with standard 1/2 inch pipe fittings and modular mounting options, delivering consistent performance and lower lifecycle costs for OEMs and maintenance teams.
Product Information
Extended Description
R73G-4AK-NMN Norgren: Excelon design allows in-line or modular installation | Balanced valve design for optimum pressure control | Push to lock adjusting knob with tamper resistant accessory
Medium
Compressed air
Operating Temperature
-34 ... 80 °C, -29 ... 176 °F
Port Size
1/2" PTF
Gauge Port
1/4" PTF
Adjustment
Knob
Maximum Inlet Pressure
20 bar
Outlet Pressure Adjustment
0.3 ... 10 bar, 4 ... 145 psi
Relieving / Non Relieving
Non-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
4315-03
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 → Business Impact → Application: Inline or modular installation reduces installation time and space, enabling faster line commissioning and easier retrofits on existing equipment. Application: Pneumatic tooling lines and automated assemblies where quick integration and minimal downtime matter. Feature → Business Impact → Application: Balanced valve design delivers stable pressure control, minimizing pressure fluctuations and improving tool performance in high-cycle applications. Application: Pressing, gripping, and actuating systems requiring repeatable setpoints and energy efficiency. Feature → Business Impact → Application: Push to lock adjusting knob with tamper resistant accessory prevents unintended pressure changes, enhancing safety and process consistency. Application: Shared machinery in manufacturing cells with operator access. Feature → Business Impact → Application: 1/2 inch PTF inlet, 1/4 inch gauge port, and 20 bar max inlet enable flexible piping and real-time monitoring, reducing leak potential and maintenance time. Application: OEM equipment where compact, robust regulators are required. Feature → Business Impact → Application: Outlet pressure adjustment range of 0.3 to 10 bar (4 to 145 psi) supports a wide setpoint spectrum for multiple tools and actuators. Application: General purpose control in automation lines. Feature → Business Impact → Application: Non-relieving design prevents downstream pressure bleed on supply loss, increasing system safety and predictability. Application: Critical lines where downstream pressure integrity is essential. Feature → Business Impact → Application: Durable construction with diecast aluminum body, zinc bonnet, acetal adjusting knob, and nitrile elastomer seals improves longevity and reduces replacement costs in harsh environments. Application: Industrial plants with fluctuating temperatures and demanding duty cycles. Feature → Business Impact → Application: Compatibility with Quikmount, Quikclamp, and mounting brackets simplifies installation in modular cabinets and on machine frames. Application: Retrofits and new builds where rapid mounting and secure fixation are required.
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FAQs
The R73G-4AK-NMN supports inline or modular installation, enabling easy integration into new lines or retrofits. It uses standard 1/2 inch pipe thread (PTF) inlet and a 1/4 inch gauge port for monitoring, with compatibility to mounting accessories like Quikmount and Quikclamp for fast, secure installation in control panels or machine frames.
The balanced valve design minimizes gain and overshoot during pressure regulation, delivering stable outlet pressure even under fluctuating supply. This improves tool consistency, reduces cycle time, and lowers energy consumption in pneumatic lines used for clamping, gripping, and automation where precise pressure control is critical.
Yes, it is designed for rugged industrial use with an operating temperature range of -34 to 80 C (-29 to 176 F). The body is diecast aluminum with a zinc bonnet and nitrile elastomer seals, providing resilience in fluctuating plant environments and compatibility with common factory air quality standards.
Key maintenance considerations include regular checks of the adjustment knob and seal integrity, given the nitrile elastomer seals. The regulator supports tamper-resistant accessories and mounting options to suit modular cabinets. Compatibility with 1/2 inch inlet piping, 1/4 inch gauge port, and standard mounting hardware simplifies ongoing maintenance and reduces downtime.
Download options include CAD models, the Datasheet PDF, and the Installation Guide PDF from the Norgren downloads. Access CAD at the Part Community link, Datasheet at Norgren’s PDF library, and Installation Guide at Norgren’s Excelon parts guide to ensure correct wiring, mounting, and troubleshooting during commissioning.