Norgren L73C-4GP-EPN Excelon oil fog lubricator - G1/2

Part Number: L73C-4GP-EPN
Manufacturer
Norgren
Part number
L73C-4GP-EPN

Quick Summary

Norgren L73C-4GP-EPN Excelon oil fog lubricator is a compact inline lubrication device designed for pneumatic systems in manufacturing environments. It tackles the common challenge of inconsistent lubrication that accelerates cylinder wear and unplanned downtime. Look for CE compliance and IP-rated protection for enclosures, and consider SIL safety implications in critical automation lines. The unit supports inline or modular installation and uses a flow sensor to maintain a nearly constant oil/air ratio, helping reduce waste while ensuring consistent performance. These features translate into lower maintenance costs and improved uptime for OEMs and maintenance teams.

Product Information

Extended Description

L73C-4GP-EPN Norgren: Excelon design allows in-line or modular installation | Oil fog lubrication is ideal when heavier lubrication is required over short distances such for large bore clyinders, air motors and air tools | Flow sensor provides a nearly constant oil/air ratio over a wide range of flows
Medium
Compressed air
Operating Temperature
-34 ... 50 °C, -30 ... 122 °F
Port Size
G1/2
Drain Type
Closed bowl
Maximum Inlet Pressure
10 bar
Lubricator Fog Type
Oil fog
Flow
38 dm3/sec, 81 scfm
Start point
0.71 dm3/sec
Materials - Body
Aluminium
Materials - Bowl
Polycarbonate
Materials - Elastomers
Chloroprene rubber, Nitrile rubber
Range
L73C
Series
Excelon
Brand
IMI Norgren
L84C-4GP-EPN
Excelon Plus oil fog lubricator, G1/2, Guarded plastic bowl closed
The Excelon design enables in-line or modular installation, reducing commissioning time and enabling rapid integration into evolving lines. This flexibility translates into lower project risk and faster time-to-productivity as automation runs scale. The built-in flow sensor maintains a nearly constant oil/air ratio across a wide flow range, delivering predictable lubrication for large bore cylinders, air motors, and pneumatic tools, which means fewer wear events and reduced unscheduled downtime. Heavier lubrication is delivered by oil fog technique over short distances, improving protection for critical components without over-lubricating downstream valves or filters. The body is aluminium with a guarded polycarbonate bowl, offering robust durability and spill containment in busy plant environments, while the closed bowl design simplifies maintenance and reduces operator exposure. With a G1/2 port size and a maximum inlet pressure of 10 bar, installation is straightforward on standard pneumatic circuits, and the solution remains compatible with inline fittings and common Norgren components, minimizing lifecycle costs. The Excelon range is designed for inline installation efficiency and quick field service, addressing common objections about retrofit complexity and spare parts availability with proven engineering and widely available consumables. Industry context notes that oil fog lubrication improves tool life and consistency in automation lines, which supports predictable maintenance planning and improved overall equipment effectiveness (OEE).

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FAQs

The L73C-4GP-EPN is designed for both inline and modular installation with a G1/2 port. Its guarded closed bowl supports easy mounting in standard pneumatic layouts and fits alongside other Norgren components, simplifying upgrades or retrofits in existing lines.
Key specs include a flow of up to 38 dm3/sec (81 scfm), a start point at 0.71 dm3/sec, and a maximum inlet pressure of 10 bar. Operating temperature ranges from -34 to 50 °C, and it uses oil fog lubrication for heavy lubrication over short distances.
Yes. The Excelon oil fog approach is well suited for heavier lubrication over short distances, making it appropriate for large bore cylinders, air motors, and pneumatic tools where consistent lubrication improves performance and tool life.
Certification details are not specified in the provided data. Verify CE compliance, IP protection levels, and any SIL considerations in the supplier datasheet or Installation Guide to ensure plant-level regulatory alignment.
A flow sensor maintains a nearly constant oil/air ratio, reducing oil waste and wear, which translates to longer tool life, fewer maintenance interventions, and lower lifecycle costs in automated production lines.