FRL Unit

Legris and Duncan Air Preparation

FRL Unit – Filter Regulator Lubricator

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.

Filter Regulator Lubricator FRL Unit Supplier

Choose a Filter Regulator and Lubricator

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.

Selection note: Specify inlet pressure, required outlet pressure, flow, port size, filtration requirement, drain type and whether lubrication is permitted.

FRL Unit and Air Preparation Range

Compare Duncan Maxflow combinations and the Parker Legris FRL category from the live catalogue.

Maxflow Filter + Regulator + Lubricator - filter regulator lubricator

Maxflow Filter + Regulator + Lubricator

Duncan Maxflow combination for configured air-preparation requirements.

Maxflow Filter/Regulator + Lubricator - filter regulator lubricator

Maxflow Filter/Regulator + Lubricator

Duncan filter-regulator and lubricator combination from the current catalogue.

Parker Legris FRL - filter regulator lubricator

Parker Legris FRL

Parker Legris FRL category for compressed-air preparation.

How an FRL Unit Prepares Compressed Air

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.

1
Port and flow

Size the unit for the required airflow and connection.

2
Pressure range

Confirm inlet and regulated outlet requirements.

3
Filtration and drain

Specify filtration level and manual or automatic drain needs.

4
Lubrication need

Check whether downstream equipment allows or requires oil.

Typical Industrial Applications

Final suitability depends on the complete application and the current manufacturer technical data.

Factory air lines

Point-of-use preparation for pneumatic equipment.

Pneumatic machinery

Conditioned air for valves, cylinders and actuators.

Air tools

Regulated air supply where tool requirements permit.

Maintenance stations

Serviceable air preparation at machine entry points.

FRL Unit FAQs

What does FRL stand for?

FRL stands for filter, regulator and lubricator.

What is the purpose of a filter regulator?

It combines filtration with downstream pressure control. Exact performance depends on the selected unit and flow conditions.

Does every pneumatic system need a lubricator?

No. Some equipment is designed for non-lubricated air. Follow the component manufacturer requirements.

What information is needed to select an FRL unit?

Provide port size, pressure, flow, filtration, drain, bowl and lubrication requirements.

Need Help Selecting the Right FRL Unit?

Send your application details to IHPC for product matching, current availability and a quotation.

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