Norgren L74M-3GP-QDN Excelon micro fog lubricator - G3/8
Part Number: L74M-3GP-QDN
Quick Summary
Norgren L74M-3GP-QDN Excelon micro fog lubricator is a compact inline device that delivers precise oil mist for general pneumatic systems. Engineers often wrestle with uneven lubrication across long runs and modular layouts, which leads to wear, leaks, and maintenance bottlenecks. Typical certifications for this class of product include CE conformity and IP ratings, reflecting safety and ruggedness expectations in industrial air systems. This solution supports inline or modular installation to optimize uptime, reduce waste, and lower operating costs in demanding plant environments.
Product Information
Extended Description
L74M-3GP-QDN Norgren: Excelon design allows in-line or modular installation | Micro-fog lubricaton for best lubrication in general purpose pneumatic applications, fine mist perfect for long and more complex pipework | Flow sensor provides a nearly constant oil/air ratio over a wide range of flows
Medium
Compressed air
Operating Temperature
-34 ... 80 °C, -30 ... 176 °F
Port Size
G3/8
Drain Type
Manual
Maximum Inlet Pressure
17 bar
Lubricator Fog Type
Micro fog
Flow
73 dm3/sec, 155 scfm
Start point
0.94 dm3/sec
Materials - Body
Aluminium
Materials - Bowl
Aluminium
Materials - Elastomers
Chloroprene rubber, Nitrile rubber
Range
L74M
Series
Excelon
Brand
IMI Norgren
L84M-3GP-EDN
Excelon Plus micro fog lubricator, G3/8, Metal bowl closed
The Excelon L74M-3GP-QDN is designed for in-line or modular installation, which lowers retrofit time and simplifies future system changes, enabling faster project execution and scalable maintenance. The micro fog lubrication delivers a fine mist optimized for long pipework, improving lubrication control and reducing oil consumption, which translates to longer tool life and lower consumables cost. A built-in flow sensor maintains a nearly constant oil/air ratio across a wide range of flows, delivering consistent performance in variable demand circuits and reducing maintenance intervals. The metal bowl and aluminium body offer durability and corrosion resistance, while a manual drain keeps maintenance simple and predictable in environments where automation is limited. With a service temperature range of -34 to 80 °C and a maximum inlet pressure of 17 bar, this unit remains compatible with most standard plant air systems, supporting reliable operation across diverse industrial applications. Elastomer materials (chloroprene and nitrile rubber) provide robust seals and chemical compatibility, enhancing seal life and reducing leak paths in harsh environments.
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FAQs
Begin by selecting the mounting location with clear access to the G3/8 port and the manual drain. Attach the lubricator to the compressed air line, ensuring proper alignment for inline or modular configurations. Fill the metal bowl with approved lubrication oil, purge the line via the manual drain, and verify the flow sensor reads within expected ranges during initial startup.
Key performance attributes include micro fog lubrication for fine atomization, a flow capability of 73 dm3/sec (155 scfm), and a start point around 0.94 dm3/sec. The built-in flow sensor maintains a nearly constant oil/air ratio across varying demand, improving consistency and reducing oil consumption in general pneumatic applications.
Yes. The Excelon design supports in-line or modular installation, and the micro fog output is tailored for long and complex pipework. Its aluminium body and robust elastomer seals help sustain performance across extended piping runs, while the G3/8 port size matches common distribution manifolds found in industrial plants.
Verify CE conformity and IP-rated ruggedness typical of Excelon components, which reflect safety and environmental protection expectations in industrial air systems. For precise certification details, consult the official documentation included with the L74M-3GP-QDN and the installation guide, and confirm alignment with your local regulatory requirements.
The manual drain simplifies basic maintenance while minimizing automation dependencies. The aluminium body and durable elastomer seals extend service intervals by reducing corrosion and leak paths. Improved oil/air ratio control lowers lubricant waste and tool wear, delivering measurable cost savings and uptime gains across production lines.