Norgren L74C-3AP-QAN Oil Fog Lubricator - 3/8 PTF Port
Part Number: L74C-3AP-QAN
Quick Summary
Norgren L74C-3AP-QAN oil fog lubricator delivers precise oil-in-air lubrication for pneumatic systems in large-bore cylinders, air motors, and heavy tooling. Maintaining a stable oil-air ratio across varying line flow can be challenging, often leading to uneven wear and inconsistent performance. This Excelon series device supports inline or modular installation and uses an aluminum body designed for durability in industrial environments, with a flow sensor that helps stabilize delivery across a wide range of flows. While certifications should be verified on the official datasheet, the L74C-3AP-QAN is built to support compliant, reliable operation in automation lines. For procurement teams, it offers a compact, scalable solution that reduces maintenance intervals and simplifies accessory integration.
Product Information
Extended Description
L74C-3AP-QAN 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
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
4316-50
Porting Block - Excelon 73/74 Series, Connection G1/4"
4324-50
'Universal' Bracket
4314-51
Quikclamp
4315-02
Quikmount pipe adapter
4314-52
Quikclamp with wall mounting bracket
L74M-KIT
Service kit L74M
Feature → Inline or modular installation reduces footprint and simplifies retrofit projects. This translates to lower installation time and reduced capital outlay on existing automation lines. The device is designed for pneumatic work cells and modular stations, enabling easy drops into new lines or upgrades to older systems. Feature → Oil fog lubrication supports heavier lubrication over short distances for large bore cylinders, air motors, and air tools. The outcome is improved wear life and more consistent lubrication performance, translating to longer component life and fewer operational surprises in high-load areas. Feature → Flow sensor maintains a nearly constant oil/air ratio across a wide range of flows. This reduces oil waste while preserving stable actuation and predictable cylinder response on fluctuating demand lines. Feature → Aluminum body and bowl deliver durability and heat resilience in harsh environments, extending service life and reducing replacement frequency. Feature → 3/8" PTF port and manual drain simplify integration in standard pneumatic lines; compatibility with accessories such as porting blocks and Quikclamp brackets accelerates mounting and maintenance. Feature → Excelon L74C series compatibility with the L74M service kit and mounting accessories supports easy field service and cost-effective lifecycle management for automation deployments. Industry context and practical insight show that these design choices drive measurable gains in uptime, preventive maintenance planning, and total cost of ownership for pneumatic lubrication systems.
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FAQs
The L74C-3AP-QAN is designed for inline or modular mounting and uses a 3/8" PTF port. To install, mount the unit using compatible brackets (such as the 4324-50 Universal Bracket or Quikclamp options), connect the input and outlet ports to the compressed air line, and secure the bowl with the aluminum body. Use the manual drain as a simple maintenance step, and consider a Porting Block (4316-50) for downstream integration to ensure proper oil-air distribution. This approach minimizes line interference and supports quick retrofit in existing systems.
Expect a flow of up to 91 dm3/sec (193 scfm) with a start point at 0.94 dm3/sec, suitable for heavier lubrication needs over short distances. Maximum inlet pressure is 17 bar, and the operating temperature range is -34 to 80 °C (-30 to 176 °F). These specs support reliable lubrication for large bore cylinders, air motors, and heavy pneumatic tools, while maintaining a stable oil-air ratio across varying system demands.
Yes. The Excelon L74C-3AP-QAN is explicitly designed for heavier lubrication over short distances, making it well-suited for large-bore cylinders, air motors, and air tools. Its aluminum body and bowl offer durability in industrial environments, and the flow sensor helps maintain a consistent oil-air ratio, which is critical for predictable tool life and consistent performance in automation lines.
The provided data does not list specific certifications. For regulatory compliance, verify the latest CE, SIL, IP, or other relevant certifications on the official Norgren datasheets or by contacting the supplier. The L74C-3AP-QAN is designed for industrial pneumatic use, and certification status should be confirmed via the datasheet and manufacturer documentation before deployment in regulated environments.
Maintenance-wise, the unit includes a manual drain and compatibility with common mounting accessories (for example, 4314-51 Quikclamp, 4315-02 Quikmount, 4316-50 Porting Block). This enables straightforward servicing and quick field replacement, reducing downtime. From a ROI perspective, inline or modular installation reduces space and installation costs, the flow-stable oil fog delivery reduces oil consumption and wear, and the Excelon design supports longer service intervals for lines using large pneumatic tools, contributing to lower total cost of ownership.