Norgren L73C-3AP-QDN Excelon oil fog lubricator - 3/8\" PTF
Part Number: L73C-3AP-QDN
Quick Summary
Norgren L73C-3AP-QDN is an oil fog lubricator designed for inline or modular installation in compressed air systems. For engineers facing inconsistent lubrication and wasteful oil consumption across multiple lines, this solution delivers predictable performance with simplified maintenance. The Excelon family aligns with CE standards and is engineered for robust operation in IP-rated environments, with SIL considerations in broader safety-critical assemblies. By enabling a steady oil/air ratio and easy retrofit in large-bore cylinders, air motors, and tools, it supports uptime and cost efficiency in diverse automation setups. For procurement, the compact inline design reduces installation time and parts counts, while the metal bowl enhances durability in demanding environments.
Product Information
Extended Description
L73C-3AP-QDN 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 ... 80 °C, -30 ... 176 °F
Port Size
3/8" PTF
Drain Type
Manual
Maximum Inlet Pressure
17 bar
Lubricator Fog Type
Oil 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
L73C
Series
Excelon
Brand
IMI Norgren
L84C-3AP-EDN
Excelon Plus oil fog lubricator, 3/8" PTF, Metal bowl closed
Feature: Inline or modular installation enables flexible deployment across varied machine layouts. Business Impact: Reduces installation time and downtime, improving line efficiency and uptime. Application: Ideal for retrofits or new lines in compact automation cells. Feature: Oil fog lubrication supports heavier lubrication over short distances. Business Impact: Improves lubrication quality for large bore cylinders, air motors, and tools, extending component life. Application: Heavy-duty pneumatic tooling and high-load actuators. Feature: Flow sensor maintains a nearly constant oil/air ratio over a wide range of flows. Business Impact: Delivers consistent performance, reducing waste and optimizing maintenance intervals. Application: High-variability production lines with changing flow demands. Feature: Manual drain simplifies maintenance and reduces energy use. Business Impact: Lower maintenance costs and fewer failure points in remote or hard-to-reach locations. Application: Remote installations where power isn’t readily available. Feature: Aluminum body and bowl provide durable yet lightweight construction. Business Impact: Longer service intervals and easier handling during installation. Application: Industrial environments subject to vibration or rough handling. Feature: Operating temperature range of -34 to 80 °C and max inlet pressure of 17 bar. Business Impact: Wide environmental compatibility supports outdoor or harsh indoor conditions, ensuring reliability. Application: Automotive, food processing, and general automation environments. Feature: 3/8" PTF port and compatible Excelon design for inline or modular use. Business Impact: Standardized connections simplify sourcing and retrofitting. Application: Retrofit projects and new plant installations.
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FAQs
How do I fit the L73C-3AP-QDN in both inline and modular setups? The lubricator is designed for flexible mounting with 3/8" PTF ports. It supports inline installation along a main air line and modular drops on machine cells, reducing wiring and plumbing complexity while enabling quick retrofits in existing systems.
What flow range does this Excelon lubricator support, and where does lubrication begin? The unit provides a flow of up to 38 dm3/sec (81 scfm) with a start point at 0.71 dm3/sec, delivering a stable oil/air ratio across varying line pressures and demand, which helps maintain tool life and consistent performance.
Is the L73C-3AP-QDN suitable for large-bore cylinders, air motors, or air tools? Yes. The Excelon oil fog technology excels in heavier lubrication over short distances, making it well suited for large actuators, air-powered tools, and demanding pneumatic applications where reliable lubrication is critical.
Which standards should I verify for compliance? This product data references CE alignment and robust construction suitable for industrial environments. For safety-critical or regulated applications, confirm SIL considerations and applicable IP ratings with your system designer and consult the datasheet for exact certification mappings.
What maintenance and ROI can be expected with this lubricator? The manual drain design minimizes energy usage and simplifies servicing, while the aluminum body and reliable oil fog flow reduce lubrication waste and tool wear. Across multiple lines, users typically see longer tool life, reduced maintenance time, and lower operating costs.