Norgren L68C-NNE-ERN Oil Fog Lubricator - High Flow
Part Number: L68C-NNE-ERN
Quick Summary
Norgren L68C-NNE-ERN is an oil fog lubricator for high-flow lubrication in pneumatic systems. Many lines suffer from inconsistent oil-air delivery, causing wear and maintenance headaches. Although certifications for exact models vary, this class typically aligns with CE compliance and robust enclosure protection, with SIL compatibility and IP-rated configurations often required in safety-critical automation. This model’s closed aluminium bowl and plug-in Olympian Plus design simplify installation, reduce spills, and enable easy retrofits, helping sustain uptime and lower maintenance costs.
Product Information
Extended Description
L68C-NNE-ERN 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
400 dm3/sec, 848 scfm
Start point
52 dm3/sec
Materials - Body
Aluminium
Materials - Bowl
Aluminium
Materials - Elastomers
Nitrile rubber
Dimensions - Height
264 mm
Dimensions - Length
114 mm
Dimensions - Width
108 mm
Weight
0.8 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
High-flow performance is engineered to support large bore cylinders, air motors and air tools, delivering up to 400 dm3/sec (848 scfm) with a stable oil/air ratio for consistent lubrication across short distances. The flow sensor maintains a nearly constant oil-to-air ratio across a range of flows, improving cylinder life and tool reliability while reducing waste. The closed aluminium bowl and robust aluminium body minimize spill risk and withstand demanding environments, supporting longer service intervals and safer maintenance. The plug-in Olympian Plus yoke system provides modularity and faster installation, with optional Yoke assemblies (Y68A-6GN-N1N, N2N) and a wall bracket (18-001-979) available to match your machine layout. Operating from -20 to 80 °C and up to 17 bar maximum inlet pressure, it’s suited for diverse industrial plants. With service kits L68C-KIT and compatible bowls, retrofit and maintenance are straightforward, keeping downtime to a minimum.
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FAQs
The L68C-NNE-ERN uses a port configuration described as Without Yoke, and can be complemented by Yoke assemblies Y68A-6GN-N1N or Y68A-6GN-N2N for plug-in modular mounting. A Wall Bracket 18-001-979 is available for additional mounting flexibility. This enables rapid integration into existing frames and reduces installation time on crowded machine layouts.
Key specifications include a maximum inlet pressure of 17 bar, flow capacity of 400 dm3/sec (848 scfm), and a start point at 52 dm3/sec. The unit operates in a temperature range from -20 to 80 °C and uses compressed air as the medium. These figures help determine compatibility with your actuator sizing and lubrication interval planning.
Yes. The Olympian Plus L68C-NNE-ERN is designed for heavier lubrication needs over short distances, such as large bore cylinders, air motors, and air tools. The oil fog type provides increased lubrication mass flow, improving wear resistance and extending component life in demanding environments where oil management is critical.
Maintenance is supported by the L68C-KIT service kit, and the closed bowl design minimizes spill risks during servicing. Regular checks should include elastomer condition (Nitrile rubber), flow sensor operation, and bowl integrity. When replacement parts are needed, the Yoke assemblies and service kits provide a straightforward refresh path to minimize downtime.
Construction uses aluminium for both body and bowl with nitrile elastomers, suitable for many industrial environments. Temperature tolerance (-20 to 80 °C) and compatibility with compressed air media support broad installation possibilities. Consider origin and supply chain factors, as the model originates from Czechia, and confirm regional certification requirements for CE/SIL/IP where applicable.