Norgren L73M-4GP-EDN Excelon lubricator - Closed bowl
Part Number: L73M-4GP-EDN
Quick Summary
L73M-4GP-EDN Excelon lubricator delivers precise micro fog lubrication for general pneumatic systems in factory automation. Operators often struggle with uneven oil/air ratios that cause wear and unpredictable downtime. In regulated environments, certifications such as CE, SIL, and IP ratings are critical to ensure safe, compliant installations. Designed for inline or modular installation, the Excelon unit combines a durable aluminium body with a closed bowl to maximize reliability and minimize maintenance. With a focus on compact integration, users gain predictable lubrication, lower downtime, and improved operational efficiency.
Product Information
Extended Description
L73M-4GP-EDN 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
G1/2
Drain Type
Closed bowl
Maximum Inlet Pressure
17 bar
Lubricator Fog Type
Micro fog
Flow
38 dm3/sec, 81 scfm
Start point
0.71 dm3/sec
Materials - Body
Aluminium
Materials - Bowl
Aluminium
Materials - Elastomers
Chloroprene rubber, Nitrile rubber
Range
L73M
Series
Excelon
Brand
IMI Norgren
L84M-4GP-EDN
Excelon Plus micro fog lubricator, G1/2, Metal bowl closed
Inline or modular installation provides flexible mounting options, cutting project time and reducing retrofit costs. This flexibility accelerates commissioning in existing lines or new machines, improving time-to-value for automation projects. The G1/2 port size and aluminium body simplify integration with standard fittings, boosting reliability across varied layouts. Micro fog lubrication delivers a finer mist for general-purpose pneumatic applications. This improves lubrication efficiency and reduces oil consumption, extending component life. It is especially effective on long or complex pipework where traditional fogging wastes lubricant. The embedded flow sensor maintains a nearly constant oil/air ratio across wide flow ranges, stabilizing performance. This reduces the risk of over- or under-lubrication on varying demand lines and minimizes waste. It supports reliable operation in mixed-load automation cells. Durable aluminium body and closed bowl provide lightweight, corrosion-resistant construction suitable for harsh industrial environments. This enhances long-term reliability and simplifies maintenance. Closed-bowl drain minimizes contamination and simplifies maintenance by keeping lubricant free of particulates. It supports safe, clean operation in general pneumatic lines and reduces inspection effort.
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FAQs
To install the L73M-4GP-EDN in an existing line, select inline installation or modular mounting per your layout. Connect to a G1/2 port with a secure reducer if needed, and ensure the supply pressure remains under 17 bar. Mount the aluminium body with the closed bowl oriented for drainage, and reference the Installation Guide PDF for fittings and schematics.
Key performance figures include a flow of 38 dm3/sec (81 scfm) with a start point of 0.71 dm3/sec, ensuring rapid response to lubrication demand. The unit tolerates up to 17 bar inlet pressure and operates from -34 to 80 °C, making it suitable for diverse plant environments. The G1/2 port and closed-bowl design support reliable, low-maintenance operation.
Yes. The Excelon design is optimized for long or complex pipework, delivering a fine micro fog mist that travels farther with minimal oil loss. Its inline or modular installation provides flexible retrofitting, while the 38 dm3/sec flow range supports varying demand without oversupply. Combined with a durable aluminium body and closed bowl, it minimizes contamination and maintenance.
Certification details are not listed in the provided data; verify the specific variant's documentation for CE, SIL, or IP ratings. Consult the Datasheet (PDF) and Installation Guide PDF linked in the product downloads to confirm applicable standards for your region and industry. When in doubt, contact the supplier to confirm compliance before procurement.
Using the L73M-4GP-EDN can lower maintenance frequency and reduce lubricant waste thanks to micro fog lubrication and a closed-bowl design. The nearly constant oil/air ratio across flow ranges improves actuator life and uptime, while its aluminium body supports durability in harsh environments. For procurement, this translates to a lower total cost of ownership and more predictable maintenance planning.