Norgren L73M-3GP-QPN Excelon micro fog lubricator - G3/8
Part Number: L73M-3GP-QPN
Quick Summary
Norgren L73M-3GP-QPN Excelon micro fog lubricator provides precise lubrication for general pneumatic systems. Engineers often struggle with maintaining a stable oil-to-air ratio as flow varies, leading to inconsistent performance and higher wear. Note: this listing does not specify CE, IP, or SIL certifications; verify these in the datasheet or with the supplier. The Excelon line supports in-line or modular installation, offering robust operation and easy maintenance. By delivering consistent micro fog lubrication, it helps reduce oil consumption and maintenance costs while ensuring reliable actuator performance across a range of pneumatic applications.
Product Information
Extended Description
L73M-3GP-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
G3/8
Drain Type
Manual
Maximum Inlet Pressure
10 bar
Lubricator Fog Type
Micro fog
Flow
38 dm3/sec, 81 scfm
Start point
0.71 dm3/sec
Materials - Body
Aluminium
Materials - Bowl
Polycarbonate
Materials - Elastomers
Chloroprene rubber, Nitrile rubber
Range
L73M
Series
Excelon
Brand
IMI Norgren
L84M-3GP-EPN
Excelon Plus micro fog lubricator, G3/8, Guarded plastic bowl closed
Feature: In-line or modular installation supports flexible system design and future expansion. Business Impact: Reduces retrofit effort and downtime, enabling faster line changes and scalable automation. Application: General pneumatic layouts with long pipe runs. Feature: Micro fog lubrication delivers a fine mist for consistent lubrication with minimal oil carryover. Business Impact: Improves component life and reduces lubricant waste, lowering operating costs. Application: General purpose pneumatics with moderate to high flow. Feature: Manual drain and guard improve safety and service access. Business Impact: Simplifies maintenance schedules and prevents spills, improving plant hygiene. Application: Any enclosure or workstation using the Excelon lubricator. Feature: Aluminum body with a polycarbonate bowl offers durability and visibility. Business Impact: Long service life in demanding environments with easy level checks. Application: Industrial environments with frequent cycling. Feature: Flow at 38 dm3/sec (81 scfm) and start point 0.71 dm3/sec provide predictable performance. Business Impact: Enables precise oil/air control across a wide operating range. Application: inline supply lines and modular setups using G3/8 ports. The combination of range L73M and Series Excelon reinforces reliability and compatibility with Norgren components across automation cells.
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FAQs
The L73M-3GP-QPN supports both inline and modular installation, simplifying retrofits and future expansion. Connect the G3/8 port to the existing compressed air line, ensure the bowl guard is correctly seated, and route the lubricator to the master control line. The design minimizes line disruption during replacement, and the manual drain facilitates rapid servicing without disassembly.
Key specs include a G3/8 port size, maximum inlet pressure of 10 bar, and a lubrication flow of 38 dm3/sec (81 scfm). The start point is 0.71 dm3/sec, which helps establish a stable oil-to-air ratio across operating ranges. Materials—aluminium body and polycarbonate bowl—provide durability and visibility for oil level monitoring.
Yes. The Excelon micro fog design and flow characteristics support long pipe runs by delivering a fine, consistent mist that maintains oil/air balance over a wide range of flows. Inline or modular installation enhances flexibility, enabling placement close to the actuator or at a centralized lubrication point as pipe lengths increase.
Certification details are not specified in the provided listing. For regulatory compliance, consult the datasheet and installation guide referenced in the downloads. Typical projects should verify CE marking, IP protection where applicable, and SIL considerations with the system integrator to ensure alignment with regional standards.
The L73M-3GP-QPN offers predictable lubrication, reducing wear and extending actuator life, which lowers maintenance costs. The manual drain simplifies servicing, while the guard protects operators. Durable aluminium and polycarbonate construction reduces replacement frequency, and the inline/modular versatility supports lean maintenance strategies and faster line changeovers.