Norgren R74G-6AK-NMN Excelon Regulator - Non-relieving
Part Number: R74G-6AK-NMN
Quick Summary
Norgren R74G-6AK-NMN Excelon regulator provides precise downstream pressure control for compressed air in automated systems. Engineers often contend with fluctuating line pressure and dead-ended sections that disrupt performance. This design supports CE compliance with safe integration and offers SIL-ready configurations where applicable, while the rugged aluminium body handles harsh environments. With inline or modular installation, a 0.3–10 bar outlet range, and a tamper-resistant knob, it delivers reliable, repeatable regulation across busy plants.
Product Information
Extended Description
R74G-6AK-NMN 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
3/4" 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
105 dm3/sec, 222 scfm
Materials - Adjusting Knob
Acetal resin
Materials - Body
Diecast aluminium
Materials - Bonnet
Diecast aluminium
Materials - Elastomers
Nitrile rubber
Range
R74G
Series
Excelon
Brand
IMI Norgren
4315-04
Quikmount pipe adapter
4324-50
'Universal' Bracket
4314-51
Quikclamp
4368-51
Neck Mounting Bracket
4314-52
Quikclamp with wall mounting bracket
4355-51
Tamper Resistant Cover and Wire
4348-89
Panel Mounting Nut
Feature → Business Impact → Application: Balanced valve design for optimum pressure control reduces downstream fluctuations, delivering stable output and faster response, which minimizes actuator jitter and wear in pneumatic circuits. Application: Ideal for manufacturing lines and automated tooling requiring consistent air pressure. Feature → Business Impact → Application: Excelon in-line or modular installation enables flexible mounting and rapid commissioning, cutting installation time and retrofit complexity. Application: Useful for retrofits and modular plant expansions where space and layout vary. Feature → Business Impact → Application: Push to lock adjusting knob with tamper-resistant accessory protects setpoints, lowering drift from accidental changes and reducing maintenance calls. Application: Critical in high-traffic production areas and shared equipment. Feature → Business Impact → Application: Non-relieving design maintains downstream pressure even in dead-end scenarios, enhancing process stability and safety in controlled automation loops. Application: Preferred where predictable regulation is essential for downstream actuators. Feature → Business Impact → Application: Robust materials and defined specs—diecast aluminium body, nitrile elastomers, operating range -34 to 80 °C—extend service life and reduce replacement cycles. Application: Suitable for continuous operation in demanding industrial environments. Feature → Business Impact → Application: Clear porting and gauge integration—3/4" PTF inlet, 1/4" gauge port, 0.3–10 bar adjustability—facilitate installation, monitoring, and diagnostics. Application: Seamless integration with upstream filters and downstream gauges in compressed air systems.
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FAQs
The R74G-6AK-NMN offers in-line or modular installation, enabling flexible mounting to suit retrofit projects or new builds. With a 3/4" PTF inlet and a 1/4" PTF gauge port, it integrates cleanly alongside filters, lubricators, and other pneumatic components. This versatility helps reduce installation time and simplify maintenance in busy plant environments.
Outlet pressure is adjustable from 0.3 to 10 bar, with a maximum inlet pressure of 20 bar. The unit is non-relieving, meaning downstream pressure is maintained without automatic relief, which improves stability for downstream actuators and ensures consistent performance in regulated lines.
Yes. The regulator operates from -34 to 80 °C (-29 to 176 °F) and uses a diecast aluminium body with nitrile elastomers, providing dependable durability in typical industrial environments. The design also supports inline installation for straightforward integration into existing lines, reducing exposure during retrofit work.
This Excelon regulator excels in manufacturing automation, pneumatic tooling, packaging equipment, and test benches where precise pressure control and fast regulation are critical. Its balanced valve and robust construction help maintain actuator stability, improving cycle times and reducing downtime in high-volume production.
Compatibility is enhanced by listed accessories such as the Quikmount pipe adapter (4315-04), the universal bracket (4324-50), Quikclamp (4314-51), neck mounting bracket (4368-51), Quikclamp with wall mounting bracket (4314-52), tamper resistant cover (4355-51), and panel mounting nut (4348-89). These options streamline installation and enable secure, space-efficient layouts.