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FRL Unit
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- FRL Unit
Legris and Duncan Air Preparation
Filter regulator lubricator units from Parker Legris and Duncan prepare compressed air before it reaches downstream pneumatic equipment. Compare combined FRL and Maxflow configurations, then confirm port size, pressure, flow and drain requirements.
An FRL unit combines air preparation functions in a planned sequence. The filter removes selected contaminants, the regulator controls downstream pressure, and the lubricator introduces oil mist where the equipment manufacturer requires it.
Not every circuit needs lubrication. Confirm the downstream component requirements before selecting a combined filter regulator lubricator.
| Configurations | Separate filter + regulator + lubricator, or combined filter/regulator + lubricator. |
|---|---|
| Port range | G1/4 to G1 for the Maxflow combinations referenced here. |
| Medium | Compressed air. |
| Pressure | Maximum operating pressure: 10 bar. Listed working range: 0 to 10 bar. |
| Temperature | 5°C to 60°C. |
| Drain and mounting | Semi-automatic drain as standard; automatic drain optional. Line, wall or bracket mounting. |
Source: Duncan Engineering Maxflow technical data. These values apply to the referenced Duncan combinations, not every Parker Legris FRL. Ask IHPC to confirm the exact part code, filtration grade, rated flow and bowl/drain option for your circuit.
Match the air-preparation assembly with Duncan flow control valves, Legris one-touch fittings and PU tubing. Share inlet pressure, target outlet pressure and required flow so these components can be checked together.
Need help choosing a configuration? Use our FRL unit selection guide to prepare pressure, flow, air-quality and drain requirements before requesting a quotation.
Selection note: Specify inlet pressure, required outlet pressure, flow, port size, filtration requirement, drain type and whether lubrication is permitted.
Compare Duncan Maxflow combinations and the Parker Legris FRL category from the live catalogue.
Duncan Maxflow three-component filter, regulator and lubricator assembly. Confirm the port size, drain option and rated flow for your application.
Duncan Maxflow combined filter/regulator with a separate lubricator. Use lubrication only where downstream equipment permits it.
Compressed air enters the filter stage, then passes through pressure regulation. A lubricator, when required, adds a controlled oil mist downstream.
Correct sizing helps maintain pressure and flow while supporting the air-quality needs of valves, cylinders and tools.
Size the unit for the required airflow and connection.
Confirm inlet and regulated outlet requirements.
Specify filtration level and manual or automatic drain needs.
Check whether downstream equipment allows or requires oil.
Final suitability depends on the complete application and the current manufacturer technical data.
Point-of-use preparation for pneumatic equipment.
Conditioned air for valves, cylinders and actuators.
Regulated air supply where tool requirements permit.
Serviceable air preparation at machine entry points.
FRL stands for filter, regulator and lubricator.
It combines filtration with downstream pressure control. Exact performance depends on the selected unit and flow conditions.
No. Some equipment is designed for non-lubricated air. Follow the component manufacturer requirements.
Provide port size, pressure, flow, filtration, drain, bowl and lubrication requirements.
Send your application details to IHPC for product matching, current availability and a quotation.
