Norgren L68C-NNP-EUN Oil Fog Lubricator - Without Yoke
Part Number: L68C-NNP-EUN
Quick Summary
Oil fog lubricator is a precision lubrication device for compressed-air systems, ideal for large bore cylinders and air tools. Engineers often struggle with uneven oil delivery and maintenance headaches in limited spaces, leading to premature wear and downtime. Key standards to verify in industrial kits include CE marking for European compliance, IP ratings for enclosure protection, and SIL considerations for safety-critical lines. This L68C-NNP-EUN variant highlights plug-in Olympian Plus modularity and a 1 liter aluminum bowl, delivering reliable lubrication with a compact footprint. In practice, customers see more predictable oil/air ratios and easier retrofits, supported by the flow sensor and compatible yoke options to fit existing systems.
Product Information
Extended Description
L68C-NNP-EUN Norgren: Unique Olympian yoke Plug-In system offers perfect modularity | 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 range of flows | Optional bowl sizes available
Medium
Compressed air
Operating Temperature
-20 ... 80 °C, -4 ... 176 °F
Port Size
Without Yoke
Drain Type
Closed bowl
Maximum Inlet Pressure
17 bar
Lubricator Fog Type
Oil fog
Flow
175 dm3/sec, 371 scfm
Start point
6 dm3/sec
Materials - Body
Aluminium
Materials - Bowl
Aluminium
Materials - Elastomers
Nitrile rubber
Dimensions - Height
320 mm
Dimensions - Length
180 mm
Dimensions - Width
108 mm
Weight
1.65 kg
Country of Origin
Czechia
Range
L68C
Series
Olympian Plus
Brand
IMI Norgren
Y68A-6GN-N1N
Yoke assemblies
Y68A-6GN-N2N
Yoke assemblies
18-001-979
Wall Bracket
L68C-KIT
Service kit L68C
T40B2800
Quietaire sintered bronze silencer, R1/4
Feature: Oil fog lubrication in a compact Olympian Plus module. Benefit: Delivers consistent oil/air mixture, reducing injector wear and improving system reliability. Application: Ideal for pneumatic lines with large bore cylinders and air tools where heavier lubrication is needed over short distances. Feature: Flow sensor maintains a nearly constant oil/air ratio across a range of flows. Benefit: Minimizes oil waste and ensures predictable performance, lowering maintenance costs. Application: Automotive and packaging lines requiring tight process control. Feature: Heavy-duty aluminum body and bowl with nitrile elastomer seals. Benefit: Robust durability in harsh industrial environments, minimizing leaks and downtime. Application: Manufacturing floors with temperature fluctuations up to 80 C. Feature: Closed-bowl drain and 17 bar maximum inlet pressure. Benefit: Safe containment of lubricants and compatibility with high-pressure supply rails, reducing spill risk. Application: High-pressure blow-off stations and tool rigs. Feature: Plug-In Olympian Plus yoke system and optional accessories (Y68A-6GN-N1N/N2N, 18-001-979 Wall Bracket, L68C-KIT). Benefit: Flexible retrofits and simplified installation, lowering upgrade costs. Application: Retrofit projects across existing L68C installations. Feature: 1 L aluminum bowl capacity. Benefit: Lower refill frequency and improved inventory planning. Application: Continuous-operation lines with steady lubrication demands.
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FAQs
For retrofit projects, replace the existing unit with the L68C-NNP-EUN using the Plug-In Olympian Plus yoke system. Consider optional Yoke assemblies Y68A-6GN-N1N/N2N and the Wall Bracket 18-001-979 to secure the lubricator in tight spaces. The L68C-KIT service kit can simplify field maintenance, minimizing downtime during installation and initial commissioning.
Key specs include medium: compressed air, operating temperature -20 to 80 C, maximum inlet pressure 17 bar, flow range 6 to 175 dm3/sec (start at 6 dm3/sec), and a 1 L aluminum bowl. Drain type is closed bowl. These values inform sizing for large bore cylinders, air motors, and tooling to ensure reliable oil mist generation and consistent lubrication.
Yes. The oil fog approach is designed for heavier lubrication over short distances, which suits large bore cylinders, air motors, and air tools. The Olympian Plus design with a 1 L bowl provides enough reservoir for steady operation, while the flow sensor maintains a steady oil/air ratio, supporting reliable tool start-up and reduced lubrication-related wear.
Key certifications commonly relevant for industrial lubricators include CE marking for European compliance, IP ratings for enclosure protection, and SIL considerations for safety-critical piping. Always check the latest datasheet for the L68C-NNP-EUN to confirm current certifications and ensure your installation meets local regulatory and safety requirements.
Maintenance benefits come from a closed-bowl design that reduces spills, a flow sensor that minimizes oil waste, and modular plug-in yoke options for rapid serviceability. The 1 L bowl supports longer intervals between refills, while compatibility with service kits and mounting accessories shortens downtime during routine maintenance, delivering lower total cost of ownership.