Norgren L74C-6GP-QDN Excelon oil fog lubricator - G3/4
Part Number: L74C-6GP-QDN
Quick Summary
Excelon oil fog lubricator is designed to deliver precise oil-in-air lubrication for pneumatic systems such as large bore cylinders, air motors, and air tools. Engineers often struggle with inconsistent lubrication, which can cause wear, performance drop, and unplanned maintenance. Built with a durable aluminium body and a proven flow sensor, it supports inline or modular installation and maintains a nearly constant oil/air ratio across a wide flow range. To help meet regional requirements, the unit aligns with common industry standards and regulatory expectations, providing reliable operation in demanding environments. Together with its compatible accessories and service kits, it offers a clear path to reduced downtime and predictable lubrication budgets.
Product Information
Extended Description
L74C-6GP-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
G3/4
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"
T74T-6GA-P1N
Excelon 3/2 modular system shut-off valve, G3/4
4315-12
Quikmount pipe adapter
4324-50
'Universal' Bracket
4314-51
Quikclamp
4314-52
Quikclamp with wall mounting bracket
L74M-KIT
Service kit L74M
L84C-6GP-EDN
Excelon Plus oil fog lubricator, G3/4, Metal bowl closed
Feature: Flexible installation enables inline or modular configuration. Business impact: reduces footprint, simplifies installation, and speeds up line integration, delivering faster time-to-value on automated cells and manifolds. Application: suitable for compact OEM lines and retrofit projects where space is at a premium. Feature: Heavy lubrication capability supports longer reach between lubricant reservoirs and moving elements. Business impact: improves protection for large bore cylinders, air motors, and high-demand tools, reducing wear and tool chatter. Application: ideal for demanding packaging, automotive assembly, and metalworking feeders. Feature: Flow sensor maintains a near-constant oil/air ratio across a wide flow range. Business impact: lowers oil waste, stabilizes performance, and improves cycle consistency. Application: critical in high-cycle applications with varying load profiles. Feature: Durable aluminium body and bowl with compatible elastomers. Business impact: excellent corrosion resistance, predictable performance across temperature swings, and reliable sealing. Application: industrial environments with broad temperature exposure. Feature: Manual drain and portable accessories ecosystem simplify maintenance. Business impact: reduces service downtime and supports quick field servicing. Application: compatible with service kits and mountings for fast intervention. Feature: Range and accessories compatibility extend installation options. Business impact: supports inline expansion, modular systems, and quick mounting to existing lines. Application: integrates with 4316-50 Porting Block, 4315-12 Quikmount, 4324-50 Universal Bracket, 4314-51/52 Quikclamp and L74M service kit.
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FAQs
The L74C-6GP-QDN is designed for flexible mounting on compressed air lines. Install inline using the Porting Block 4316-50 and secure with Quikmount 4315-12 or Quikclamp assemblies (4314-51/52) to adapt to your enclosure or mounting frame. Connect port G3/4 to the downstream line and verify the manual drain is accessible for maintenance. This configuration supports rapid commissioning and minimal line disruption while preserving a constant oil/air mix across typical flow ranges.
The Excelon L74C-6GP-QDN delivers a nominal flow of 91 dm3/sec (193 scfm) with a start point of 0.94 dm3/sec, enabling stable lubrication as load varies. It operates with a maximum inlet pressure of 17 bar and uses oil fog lubrication to ensure a consistent oil-to-air ratio across the operating range. These specs support high-cycle automation where precise lubrication control is critical.
Yes. The L74C-6GP-QDN is specifically suited for heavier lubrication over short distances, which benefits large bore cylinders, air motors, and air tools. Its Excelon design supports inline or modular installation, offering dependable oil delivery where higher lubrication demands exist. This makes it a strong match for automation lines in manufacturing environments requiring robust lubrication performance.
Industrial lubrication units like the L74C-6GP-QDN are designed to meet common regulatory expectations for Europe and other regions, including CE-like conformity for electronic-free pneumatic components and rugged mechanical construction. While specific certifications may vary by region, you should verify CE compliance and region-specific approvals before deployment. The unit’s robust aluminium construction and standard fittings further support compliance with typical industry safety and durability expectations.
Maintenance is straightforward thanks to a manual drain and a modular accessories ecosystem including the L74M service kit. Quick-disconnect mounting and compatible parts reduce downtime during filter and reservoir checks. The predictable oil flow and reliable performance translate to lower lubricant waste, reduced tool wear, and improved uptime, delivering a favorable return on investment in demanding automation environments.