Norgren L74M-4GP-EPN Excelon Micro Fog Lubricator - Closed bowl, G1/2
Part Number: L74M-4GP-EPN
Quick Summary
The L74M-4GP-EPN Excelon micro fog lubricator delivers precise lubrication for general pneumatic systems in manufacturing lines. Operators often face inconsistent oil distribution and maintenance headaches from open bowls and lubricant leaks. To support safety and reliability, verify CE conformity and IP-rated protection, and consider SIL considerations on safety-critical lines. Its inline or modular installation flexibility reduces commissioning time, while micro fog technology minimizes lubricant waste and waste handling. Built with an aluminium body and polycarbonate bowl, the unit withstands industrial environments and delivers predictable performance. This combination supports long pipe runs and varying flow demands, improving actuator response and overall system efficiency.
Product Information
Extended Description
L74M-4GP-EPN 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
Closed bowl
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
206 mm
Dimensions - Length
74 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: Inline or modular installation capability. Benefit: Reduces commissioning time and enables easy retrofits across existing lines, improving project velocity and flexibility. Application: Suitable for switching from dedicated to modular configurations in automated manufacturing cells. Feature: Excelon micro fog lubrication. Benefit: Delivers a fine mist that improves lubrication efficiency, lowers oil consumption, and extends actuator life. Application: General purpose pneumatic systems with long pipe runs and complex piping. Feature: Integrated flow sensor and precise oil/air ratio control. Benefit: Maintains a nearly constant lubrication ratio across wide flow ranges, reducing variance in actuator performance and maintenance intervals. Application: Systems with variable demand and mixed load conditions. Feature: Durable materials and guarded bowl. Benefit: Aluminium body and polycarbonate bowl provide corrosion resistance and contamination protection, lowering maintenance costs and downtime. Application: Harsh factory environments and dusty production floors. Feature: Closed bowl with guard and compatibility options. Benefit: Safer maintenance and easier cleaning, with reduced risk of contamination and spills. Application: Production lines requiring cleanroom-like lubrication practices. Feature: Mounting compatibility and service kits. Benefit: Quick installs using the Universal Bracket and service kit L74M, lowering total cost of ownership. Application: Retrofit projects and scalable expansions in existing installations.
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FAQs
Begin with matching the G1/2 port fittings and secure the unit using the 4324-50 'Universal' Bracket if mounting away from the main rail. Connect supply air to the lubricator’s inlet and route output to the downstream actuator manifold. Refer to the Installation Guide for step-by-step procedures and torque specifications to ensure leak-free connections.
The L74M-4GP-EPN delivers a rated flow of 73 dm3/sec with a start point around 0.94 dm3/sec, while the integrated flow sensor continuously adjusts to keep a nearly constant oil/air ratio across varying downstream demands. This minimizes over-lubrication and waste, supporting consistent actuator performance.
Yes. The Excelon design supports inline or modular installation across long pipe runs. The fine micro fog spray improves lubrication efficiency over extended distances, reducing maintenance frequency and ensuring reliable valve and cylinder operation even with flow fluctuations.
Confirm CE conformity for the European installation and verify any site-specific IP or SIL requirements for safety-critical lines. While the data covers performance and materials, your engineering team should map these against your plant’s regulatory framework and the intended application to ensure full compliance.
Expect lower lubricant consumption due to precise oil/air control, reduced downtime from faster installation and fewer leaks, and extended actuator life from stable micro fog lubrication. The availability of service kits and a universal mounting option further reduces maintenance costs and supports scalable deployments across multiple lines.