Norgren L74C-4AP-EDN Excelon Oil Fog Lubricator - 1/2 PTF
Part Number: L74C-4AP-EDN
Quick Summary
Norgren L74C-4AP-EDN Excelon oil fog lubricator provides precise lubrication for pneumatic systems in heavy tooling and large-bore cylinders. Many teams struggle with maintaining a consistent oil-to-air ratio across varying flows, leading to wear and unplanned downtime. This Excelon design aligns with CE safety expectations and is compatible with industry-standard SIL and IP considerations in modern automation environments. In-line installation, a robust aluminium bowl, and a built-in flow sensor deliver predictable performance while minimizing waste and maintenance. This translates to reduced cartridge changes, lower oil consumption, and easier compliance for plant-wide lubrication routines.
Product Information
Extended Description
L74C-4AP-EDN 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
1/2" PTF
Drain Type
Closed bowl
Maximum Inlet Pressure
17 bar
Lubricator Fog Type
Oil fog
Flow
91 dm3/sec, 193 scfm
Start point
0.94 dm3/sec
Materials - Body
Aluminium
Materials - Bowl
Aluminium
Materials - Elastomers
Chloroprene rubber, Nitrile rubber
Range
L74C
Series
Excelon
Brand
IMI Norgren
T74T-4AA-P1N
Excelon 3/2 modular system shut-off valve, 1/2" PTF
4316-50
Porting Block - Excelon 73/74 Series, Connection G1/4"
4324-50
'Universal' Bracket
4314-51
Quikclamp
4315-03
Quikmount pipe adapter
4314-52
Quikclamp with wall mounting bracket
L74M-KIT
Service kit L74M
L84C-4AP-EDN
Excelon Plus oil fog lubricator, 1/2" PTF, Metal bowl closed
The Excelon design enables in-line or modular installation, giving you flexible deployment across compact or expanding automation cells. This reduces installation time and minimizes disruption on high-cycle lines, allowing engineers to reconfigure lubrication points as processes change. The oil fog lubrication approach is ideal when heavier lubrication is required over short distances for large bore cylinders, air motors, and air tools, delivering improved seal life and tool performance while keeping energy use in check. The integrated flow sensor maintains a nearly constant oil/air ratio across a wide range of flows, enabling predictable lubrication with minimal waste and helping you meet efficiency and environmental targets. The durable aluminium body and closed-bowl design resist contamination and simplify maintenance, reducing spill risk and downtime on dirty factory floors. With a 1/2" PTF port and up to 17 bar inlet pressure, this unit integrates easily into existing plant air lines and supports inline or modular configurations. Start point is 0.94 dm3/sec, providing a clear baseline for line sizing and performance expectations. Availability of accessories like the T74T-4AA-P1N shut-off valve, porting blocks, and mounting Brackets improves installation reliability and shortens project lead times, delivering a faster time-to-value for automation projects.
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FAQs
The L74C-4AP-EDN supports both inline and modular installation, and uses a 1/2 inch PTF port for straightforward connection to standard compressed-air lines. It is compatible with Excelon mounting accessories such as the 4324-50 Universal Bracket and 4314-51 Quikclamp, which simplify attachment and spacing on busy machines. For retrofit projects, plan a clean inlet and ensure a compatible shut-off valve if line isolation is required, reducing commissioning time and startup risk.
This lubricator uses oil fog lubrication with a total flow capability of 91 dm3/sec (193 scfm) and a defined start point of 0.94 dm3/sec. It tolerates up to 17 bar inlet pressure and operates within -34 to 80 °C. The 1/2" PTF port size aligns with common pneumatic fittings, and the aluminum body plus closed bowl design supports robust, long-life operation in automated environments.
Yes. The Excelon design is intended for heavier lubrication over short distances, which is typical for large bore cylinders, air motors, and air tools. The oil fog method provides a reliable oil-to-air ratio at relevant flow rates, supporting cylinder performance, tool reliability, and reduced wear in high-demand automation cells.
The Excelon L74C-4AP-EDN is designed to support CE safety considerations and is compatible with industry-standard approaches to SIL and IP-rated systems where applicable in broader automation chains. For regulated environments, verify the specific CE declaration and any applicable IP or SIL requirements with your compliance team and the system integrator.
The built-in flow sensor and precise oil-to-air control reduce oil waste and equipment wear, lowering maintenance frequency and extending component life. Inline or modular installation accelerates deployment on evolving lines, minimizing downtime during upgrades. Overall, you gain predictable lubrication performance, lower oil consumption, and faster time-to-value for lubrication-loops in pneumatic systems.