Norgren L68C-NNP-ERN Oil fog lubricator - Olympian Plus
Part Number: L68C-NNP-ERN
Quick Summary
Norgren L68C-NNP-ERN is an oil fog lubricator for compressed air systems used with large-bore cylinders and air tools. In practice, inconsistent flow and lubrication gaps can cause accelerated wear, reduced tool life, and unplanned downtime. Certification and compliance to CE, IP, and SIL expectations should be confirmed with the datasheet or supplier. This lubricator supports reliable, scalable automation, aligning with modular, maintenance-ready pneumatic systems and OEM production lines.
Product Information
Extended Description
L68C-NNP-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
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
0.94 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
Plug-In yoke modularity enables rapid installation and streamlined field upgrades, reducing commissioning time and downtime in retrofit projects. Business impact: faster machine integration and lower installation costs; application: new lines or refurbishments in automated cells. The unit provides heavier oil fog lubrication suitable for large bore cylinders, air motors, and air tools, improving component life and reducing replacement cycles. Application: high-load pneumatic machinery. Flow sensor maintains a nearly constant oil/air ratio across varying flows, delivering consistent lubrication and reducing waste; business impact: improved reliability and lower lubricant consumption; application: high-duty cycles. Aluminium body and aluminium bowl ensure rugged durability in harsh environments while the closed-bowl drain minimizes contamination risk; business impact: longer service intervals and simpler maintenance; application: cleanroom-adjacent or dusty facilities. Availability of Yoke assemblies (Y68A-6GN-N1N, Y68A-6GN-N2N) and a Wall Bracket (18-001-979) simplifies installation and allows compatible mounting across multiple pneumatic layouts; business impact: scalable deployment without bespoke hardware. The service kit L68C and optional components (bowl sizes, silencers) support ongoing lifecycle management; application: OEMs seeking predictable maintenance costs. Operating range includes -20 to 80 C, 17 bar max inlet pressure, and 175 dm3/sec flow, enabling versatile integration with standard compressed-air circuits; business impact: broader applicability and design flexibility for automation cells.
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FAQs
The L68C-NNP-ERN is supplied without a yoke, so you would pair it with Yoke assemblies such as Y68A-6GN-N1N or Y68A-6GN-N2N for a secure, tool-free installation. Use the 18-001-979 Wall Bracket for fixed mounting. This approach simplifies retrofits and new installations, enabling quick alignment with existing piping and space-constrained layouts while preserving plug-in modularity.
Key performance factors are the start point and maximum flow: starts at 6 dm3/sec and can deliver up to 175 dm3/sec (371 scfm), with a maximum inlet pressure of 17 bar. The oil fog type and aluminium construction support reliable lubrication under heavy use. For dynamic lines, ensure upstream filters and pressure regulation match these values to maintain consistent oil delivery.
Yes. The Olympian Plus L68C-NNP-ERN uses oil fog lubrication optimized for higher lubrication requirements over short runs, making it well-suited for large bore cylinders, air motors, and air tools. Its modular yoke system and robust aluminium housing help withstand demanding industrial environments while maintaining precise oil delivery specified by the flow sensor.
Maintainability is supported by the L68C service kit (L68C-KIT) and optional bowl configurations. Regular maintenance should follow the datasheet and your plant’s preventive maintenance schedule; the closed-bowl design reduces contamination, while spare bowls and silencers like T40B2800 offer easy replacement to minimize downtime during service intervals.
The L68C-NNP-ERN delivers consistent oil/air ratios via its flow sensor, which reduces lubricant waste and wear on downstream components. This translates to longer tool life, fewer unplanned stoppages, and lower maintenance costs. For OEMs, modular coupling and readily available service parts help stabilize long-term operating expenses and support lean manufacturing goals.