Norgren L68M-NNP-ERQ Olympian Plus Micro Fog Lubricator
Part Number: L68M-NNP-ERQ
Quick Summary
Norgren L68M-NNP-ERQ is a compact Olympian Plus micro fog lubricator designed for general pneumatic lubrication in complex piping. This model helps address inconsistent lubrication that can accelerate tool wear and reduce process reliability. While the data sheet does not specify individual CE, SIL, or IP certifications for this exact variant, the Olympian Plus family is built to meet rigorous industry expectations and typical customer compliance requirements. The unit is designed for modular installation with optional yoke assemblies and bowl configurations, delivering flexible mounting alongside a reliable oil/air delivery profile. In practice, you gain maintenance efficiency and predictable lubrication in general purpose pneumatic applications, with clear compatibility to downstream filtration, control, and piping investments.
Product Information
Extended Description
L68M-NNP-ERQ Norgren: Unique Olympian yoke Plug-In system offers perfect modularity | Micro-fog lubricaton for best lubrication in general purpose pneumatic applications, fine mist perfect for long and more complex pipework | 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
Micro fog
Flow
175 dm3/sec, 371 scfm
Start point
6 dm3/sec
Materials - Body
Aluminium
Materials - Bowl
Aluminium
Materials - Elastomers
Nitrile rubber
Dimensions - Height
264 mm
Dimensions - Length
180 mm
Dimensions - Width
108 mm
Weight
0.99 kg
Country of Origin
Czechia
Range
L68M
Series
Olympian Plus
Brand
IMI Norgren
Y68A-6GN-N1N
Yoke assemblies
Y68A-6GN-N2N
Yoke assemblies
18-001-979
Wall Bracket
L68M-KIT
Service kit L68M
Feature → Business Impact → Application: The L68M-NNP-ERQ uses a micro fog lubricating approach, which reduces oil consumption while delivering a fine mist ideal for long or intricate pipe runs. This translates to lower maintenance intervals and more consistent tool lubrication in precision assembly lines. Application: General pneumatic systems requiring stable lubrication across variable flow conditions. Feature → Business Impact → Application: A flow sensor maintains a nearly constant oil/air ratio across flow ranges, improving process stability and reducing part wear. Application: High-precision machining and automated conveying lines where oil distribution consistency is critical. Feature → Business Impact → Application: Aluminum body and bowl offer robust durability in harsh shop environments, lowering replacement costs and downtime. Application: Heavy-duty manufacturing cells exposed to vibration or temperature swings. Feature → Business Impact → Application: Optional bowl sizes and the plug-in yoke system enable rapid field retrofits and scalable mounting. Application: Projects with evolving enclosure layouts or space constraints. Feature → Business Impact → Application: 17 bar maximum inlet pressure supports diverse plant mains while preserving control fidelity. Application: High-pressure sourcing scenarios for longer piping runs. Feature → Business Impact → Application: Start point at 6 dm3/s ensures quick responsiveness when demand spikes occur. Application: Rapid startup sequences in automation lines. Feature → Business Impact → Application: Materials engineered for reliability with nitrile elastomers compatible with standard pneumatic lubricants. Application: Chemical and temperature exposure conditions typical of general-purpose automation. The combination of modular mounting, long-term material choices, and precise flow control makes this lubricator well-suited for engineers seeking predictable performance and reduced lifecycle costs.
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FAQs
The L68M-NNP-ERQ is designed for modular mounting and is compatible with Norgren Yoke assemblies such as Y68A-6GN-N1N and Y68A-6GN-N2N. It ships without a yoke by default, but you can integrate a yoke to simplify mounting in crowded panels. Wall brackets (e.g., 18-001-979) and auxiliary mounting hardware facilitate quick field retrofits, enabling rapid reconfiguration without draining the system. Ensure the port size is configured for the chosen yoke and confirm the electrical and pneumatic interfaces align with your downstream equipment.
Key parameters include a maximum inlet pressure of 17 bar, a flow capacity of 175 dm3/sec (371 scfm), and a start point of 6 dm3/sec. Operating temperature ranges from -20 to 80 °C (-4 to 176 °F). The lubricator uses micro fog lubrication with a closed bowl drain, and the body and bowl are aluminum with nitrile elastomer seals, supporting stable performance in general pneumatic applications.
Yes. The micro fog technique provides a fine oil mist ideal for long and intricate piping, improving lubrication uniformity without excessive oil usage. The integrated flow sensor helps maintain a steady oil/air ratio across varying flows, reducing inconsistencies that can cause tool wear and downtime. The modular yoke plug-in system and optional bowl sizes enable easier deployment along extended routes, supporting maintenance planning and lifecycle cost reductions.
The body and bowl are aluminum, with nitrile rubber elastomers for seals, delivering robust durability in typical shop conditions. Maintenance considerations include periodic checks of the closed bowl drain and inspection of elastomer seals for wear. A dedicated L68M-KIT service kit is available to simplify routine servicing, while the aluminum construction supports longer intervals between replacements in standard environments.
Official technical resources include a CAD download, Datasheet (PDF), and Installation Guide (PDF). Access CAD data via the Norgren hosting portal, and obtain the Datasheet at cdn.norgren.com/pdf/en_8_260_400_L68M_L68C.pdf. The Installation Guide (PDF) provides step-by-step mounting, wiring, and routine maintenance instructions to ensure proper installation and ongoing reliability.