IMI Norgren L84C-4AP-EDN Oil Fog Lubricator - Closed Bowl
Part Number: L84C-4AP-EDN
Quick Summary
Oil Fog Lubricator L84C-4AP-EDN from IMI Norgren delivers precise oil-in-air lubrication for short-range, heavy-lap applications. This Excelon Plus unit supports inline or modular installation, enabling seamless integration with existing lines and reducing retrofit risk. For maintenance teams, the closed-bowl design with a double safety lock minimizes leaks, while diecast aluminium bodies deliver durability in harsh environments. A built-in flow sensor maintains a near-constant oil-to-air ratio across varying flows, reducing waste and stabilizing cylinder performance. Designed to meet CE compliance and standard industrial protection practices, this unit delivers reliability with compact form and straightforward mounting for large bore cylinders, air tools, and automation line tooling.
Product Information
Extended Description
L84C-4AP-EDN Norgren: Excelon Plus 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 | Reduced weight and size | Double safety lock on bowl
Medium
Compressed air
Operating Temperature
-20 ... 65 °C, -4 ... 149 °F
Port Size
1/2" PTF
Drain Type
Closed bowl
Maximum Inlet Pressure
20 bar
Lubricator Fog Type
Oil fog
Flow
91 dm3/sec, 193 scfm
Start point
0.94 dm3/sec
Materials - Body
Diecast aluminium
Materials - Bowl
Diecast aluminium
Materials - Elastomers
Nitrile rubber
Dimensions - Height
212 mm
Dimensions - Length
72 mm
Dimensions - Width
70 mm
Weight
0.53 kg
Country of Origin
United Kingdom
Range
L84C
Series
Excelon Plus
Brand
IMI Norgren
18-011-024
Quick fill nipple for lubricators
840024-50KIT
Excelon Plus General Mounting Bracket
840014-52KIT
Excelon Plus Quikclamp with Bracket Assembly
840014-51KIT
Excelon Plus Quikclamp
840055-51KIT
Excelon Plus Oil-Fog Lubricator Sight Dome Kit
Feature → Business Impact → Application: The Excelon Plus design allows in-line or modular installation, accelerating installation time and reducing system disruption during upgrades, which is ideal for retrofit projects in automated manufacturing lines. This translates to lower commissioning costs and faster time-to-value when adding lubrication for pneumatic actuators and tools. Long-term benefit includes tighter control of lubrication delivery via the flow sensor, which maintains a nearly constant oil/air ratio across a wide range of flows, improving cylinder life and reducing oil waste in high-cycle applications.Feature → Business Impact → Application: The lubricator uses oil fog lubrication for heavier lubrication over short distances, particularly suitable for large bore cylinders, air motors, and heavy-duty air tools. The result is improved start-up performance and consistent actuation force, essential for high-load automation tasks in packaging and material handling. The compact diecast aluminium body saves weight and space on crowded machines while offering robust environmental resistance.Feature → Business Impact → Application: The closed-bowl drain type with a double safety lock minimizes leak paths and contamination, supporting safer workstations and easier maintenance. Combined with the 20 bar maximum inlet pressure and 1/2" PTF port, the unit integrates reliably with standard plant air circuits and common mounting brackets, enabling flexible positioning near critical actuators and reducing pipework complexity.Feature → Business Impact → Application: Material choices—diecast aluminium bodies and bowls, nitrile elastomer seals—provide corrosion resistance and chemical compatibility with mineral-based lubricants, delivering longer service intervals and predictable performance in oil fog lubrication systems. This is particularly valuable for automation cells where uptime and predictable lubrication quality directly impact process reliability.Feature → Business Impact → Application: With a compact footprint (212 mm height, 72 mm length, 70 mm width) and a weight of 0.53 kg, the unit is well-suited for space-constrained panels and compact automation lines, enabling easy installation alongside mounting brackets and quick-clamp solutions. This supports scalable lubrication across multi-axis robot cells and linear actuator assemblies without crowding the control cabinet.
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FAQs
The L84C-4AP-EDN is designed for in-line or modular installation, allowing straightforward connection to standard 1/2 in PTF ports. Use compatible Excelon Plus mounting brackets (such as 840024-50KIT or 840014-51KIT) for quick, secure mounting. The modular approach simplifies retrofit projects and minimizes downtime while maintaining precise oil fog lubrication. Ensure the feed line can sustain up to 20 bar inlet pressure and verify the control line routing aligns with the flow sensor for accurate oil/air ratio control.
Key specs include a 1/2" PTF port, closed-bowl drain, maximum inlet pressure of 20 bar, and oil fog lubrication type. The unit provides a flow of 91 dm3/sec (193 scfm) with a start point of 0.94 dm3/sec. Operating temperature ranges from -20 to 65 °C (-4 to 149 °F). The body and bowl are diecast aluminium with nitrile elastomer seals, ensuring durability in industrial environments.
Yes. The Excelon Plus oil fog lubricator is designed for heavier lubrication needs over short distances, making it well-suited for large bore cylinders, air motors, and air tools. The integrated flow sensor maintains a steady oil-to-air ratio across varying flows, which helps stabilize actuator performance and extend tool life in high-load packaging, robotics, and material-handling applications.
Maintenance and accessories include the 18-011-024 Quick fill nipple for lubricators, the Excelon Plus General Mounting Bracket 840024-50KIT, Quikclamp with Bracket Assembly 840014-52KIT, Quikclamp 840014-51KIT, and the Sight Dome Kit 840055-51KIT. These options streamline refilling, mounting, and visibility of the oil level, reducing downtime and ensuring consistent lubrication across production lines.
Reliability comes from durable diecast aluminium body and bowl, nitrile elastomer seals, and a robust closed-bowl design with a double safety lock, which minimizes leaks. Its compact 212 mm height and 72 x 70 mm footprint fit tight panels, while the 0.53 kg weight reduces mounting stress. The unit’s Excelon Plus lineage also ensures compatibility with common mounting accessories and standard pneumatic piping in harsh factory environments.