Norgren L74M-4GP-EAL Excelon Micro Fog Lubricator - G1/2
Part Number: L74M-4GP-EAL
Quick Summary
Norgren L74M-4GP-EAL Excelon micro fog lubricator provides precise lubrication for general pneumatic systems. Engineers often struggle with maintaining a constant oil-to-air ratio across varying flow rates. Note: Certification details such as SIL, CE marking, or IP ratings are not specified in the data; verify with the supplier for regulatory compliance. This solution emphasizes reliability and compatibility with G1/2 ports, long-term cost savings through reduced maintenance, and easy retrofitting in modular Excelon setups.
Product Information
Extended Description
L74M-4GP-EAL 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 ... 80 °C, -30 ... 176 °F
Port Size
G1/2
Drain Type
Closed bowl
Maximum Inlet Pressure
17 bar
Lubricator Fog Type
Micro fog
Flow
73 dm3/sec, 155 scfm
Start point
0.94 dm3/sec
Materials - Body
Aluminium
Materials - Bowl
Aluminium
Materials - Elastomers
Chloroprene rubber, Nitrile rubber
Range
L74M
Series
Excelon
Brand
IMI Norgren
T74T-4GA-P1N
Excelon 3/2 modular system shut-off valve, G1/2
4316-50
Porting Block - Excelon 73/74 Series, Connection G1/4"
4324-50
'Universal' Bracket
4314-51
Quikclamp
4314-52
Quikclamp with wall mounting bracket
4315-11
Quikmount pipe adapter
L74M-KIT
Service kit L74M
Feature: Micro fog lubrication technology with a closed 1 L aluminium bowl provides fine mist lubrication. Business Impact: Reduces oil consumption while maintaining consistent lubrication across complex piping and varying loads, lowering operating costs. Application: General pneumatic installations with long pipe runs where precise oil delivery matters. Feature: Inline or modular installation capability in the Excelon design. Business Impact: Faster commissioning and easier retrofit into existing systems, shortening downtime and improving through-life efficiency. Application: Retrofit projects and modular assemblies in automated plants. Feature: Wide operating range and robust construction (‑34 to 80 °C, up to 17 bar, G1/2 port). Business Impact: Broad suitability across climate zones and system pressures, improving uptime and regulatory compliance. Application: Heavy-duty factory floors and outdoor enclosures. Feature: Flow characteristics (73 dm3/sec) and start point (0.94 dm3/sec) enable predictable dosing. Business Impact: Stable oil/air ratio across flows improves component life and reduces maintenance cycles. Application: Systems with fluctuating demand. Feature: Aluminium body and bowl with elastomer seals. Business Impact: Durable, corrosion resistant, and compatible with common lubricants, reducing replacement parts. Application: Harsh industrial environments and long service life. Feature: Accessories and service options (L74M-KIT, T74T-4GA-P1N valve, mounting brackets). Business Impact: Simplified installation, dedicated maintenance pathways, and scalable system design. Application: OEM and aftermarket configurations with certified service support.
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FAQs
The L74M-4GP-EAL uses the Excelon design to support both inline and modular installations, enabling quick integration into new builds or retrofits. With a G1/2 port and a 1 L aluminium bowl, it adapts to a wide range of piping layouts while maintaining a compact footprint. This flexibility reduces downtime during upgrades and simplifies field installation for both OEMs and end users.
Micro fog lubrication provides a finer oil mist, which improves atomization and oil distribution across valve actuators and cylinders. This leads to more consistent oil/air ratios, reduced lubricant consumption, and extended component life. The precision is particularly valuable in long or complex pipe networks where traditional lubricators struggle to maintain uniform coverage.
Yes. The unit delivers a specified flow of 73 dm3/sec with a start point at 0.94 dm3/sec, enabling predictable lubrication across different operating conditions. Its design supports a wide operating temperature range (-34 to 80 °C) and up to 17 bar inlet pressure, making it suitable for long runs and variable demand without sacrificing reliability.
Maintenance can be streamlined with the L74M-KIT service kit and compatible accessories such as the Excelon 3/2 modular shut-off valve (T74T-4GA-P1N) and mounting solutions. Spare parts include replacement bowls and elastomer seals. This ecosystem supports quick field service, minimizes downtime, and protects ongoing system performance.
Certification details such as SIL, CE marking, or IP ratings are not listed in the provided data. Verify with the supplier or consult the Datasheet PDFs to confirm regulatory compliance for your application. If your project requires specific certifications, obtain written confirmation and documentation from Norgren before installation.