Norgren L74M-4GP-QPN Excelon micro fog lubricator - Inline install
Part Number: L74M-4GP-QPN
Quick Summary
Norgren L74M-4GP-QPN Excelon micro fog lubricator is designed to deliver precise lubrication for general pneumatic systems. Its compact form supports both inline and modular installation, simplifying integration on existing lines and reducing setup time. A common pain point is inconsistent oil-to-air ratios and maintenance-heavy setups, which this unit mitigates with micro-fog lubrication and a flow sensor that maintains a near-constant lubricant ratio across varying demand. For industrial compliance, verify CE conformity, SIL readiness, and IP-rated protection where applicable to ensure safe operation in European and hazardous environments. By combining robust materials with intelligent lubrication performance, this solution lowers operating costs, extends component life, and supports scalable automation without sacrificing reliability.
Product Information
Extended Description
L74M-4GP-QPN Norgren: Excelon design allows in-line or modular installation | 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 wide range of flows
Medium
Compressed air
Operating Temperature
-34 ... 50 °C, -30 ... 122 °F
Port Size
G1/2
Drain Type
Manual
Maximum Inlet Pressure
10 bar
Lubricator Fog Type
Micro fog
Flow
73 dm3/sec, 155 scfm
Start point
0.94 dm3/sec
Materials - Body
Aluminium
Materials - Bowl
Polycarbonate
Materials - Elastomers
Chloroprene rubber, Nitrile rubber
Dimensions - Height
74 mm
Dimensions - Length
223 mm
Dimensions - Width
80 mm
Weight
0.73 kg
Country of Origin
Mexico
Range
L74M
Series
Excelon
Brand
IMI Norgren
4324-50
'Universal' Bracket
L74M-KIT
Service kit L74M
L84M-4GP-EPN
Excelon Plus micro fog lubricator, G1/2, Guarded plastic bowl closed
Feature is inline or modular installation, which enables rapid deployment on new lines or retrofits while reducing wiring and mounting time. Business impact is shortened project cycles and lower installation costs, especially in confined spaces; application includes general purpose pneumatic circuits where space is at a premium. Feature is micro fog lubrication for a fine oil mist, which improves lubrication efficiency and minimizes oil usage; business impact is reduced maintenance intervals and lower operating costs in high-cycle applications like machine tools and automation lines. Feature is a flow sensor that maintains a nearly constant oil/air ratio across a wide flow range; business impact is consistent performance and extended tool life, even as demand fluctuates along long pipework runs. Feature is aluminium body with a polycarbonate bowl and chloroprene/nitrile elastomer seals, delivering rugged durability; business impact is longer service intervals and reliable operation in shop-floor environments. Feature is guarded bowl and manual drain for safety and ease of maintenance, supporting quick inspection and servicing; application includes industrial environments where operator safety and accessibility matter. Feature is 10 bar maximum inlet pressure and G1/2 port, ensuring compatibility with standard pneumatic headers and easy retrofits; business impact is broad compatibility and predictable performance across common automation architectures.
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FAQs
The L74M-4GP-QPN supports inline or modular installation per the Excelon design, with a G1/2 port and guarded plastic bowl. Use the universal bracket 4324-50 if needed and ensure the inlet pressure remains under 10 bar. Follow the Installation Guide for proper orientation and drainage to achieve optimal mist delivery.
This micro fog lubricator delivers a fine oil mist with a near-constant oil/air ratio across a wide flow range. It handles a flow of 73 dm3/sec (155 scfm), with a start point at 0.94 dm3/sec and a maximum inlet pressure of 10 bar, making it suitable for general-purpose pneumatic circuits and longer pipe runs.
Yes. The Excelon micro fog design is optimized for inline or modular configurations that suit long or complex pipework. Its steady mist output helps prevent dry spots or over-oiling, improving reliability on extended pneumatic networks and reducing maintenance needs in demanding layouts.
Maintenance is simplified with a manual drain and guarded bowl. Service kits are available (L74M-KIT) for routine upkeep. The unit uses durable materials—aluminium body, polycarbonate bowl, and nitrile/chloroprene elastomer seals—supporting longer service intervals on busy shop floors. Refer to the Installation Guide for recommended servicing intervals.
The lubricator features an aluminium body, a guarded polycarbonate bowl, and elastomer seals (chloroprene and nitrile), providing robust durability and chemical compatibility. It operates across –34 to 50 °C and uses a G1/2 port, making it well-suited for standard industrial environments and helping to extend tool life through reliable lubrication.