FRL Units - Rodless Cylinders & Pneumatic Solutions By Bepto

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All-in-One Unit FRL for Comprehensive Air Preparation

Maximize the efficiency and lifespan of your pneumatic systems with our integrated Filter-Regulator-Lubricator (FRL) units. These essential combination units provide complete air treatment by filtering contaminants, regulating pressure, and delivering precise lubrication, all in a compact and easy-to-install package.

Why Our Unit FRL Are Essential

Complete Air Treatment

Delivers filtered, pressure-regulated, and (optionally) lubricated air to ensure optimal conditions for all downstream pneumatic components.

Space & Cost Efficiency

Combines three essential functions into one compact unit, saving valuable installation space and reducing piping complexity and costs.

Prolonged Equipment Lifespan

Protects sensitive pneumatic tools, cylinders, and valves from contaminants and improper pressure, significantly extending their service life.

Pemahaman FRL Unit Components & Function

The Power of Three-in-One

An FRL (Filter-Regulator-Lubricator) unit is a modular assembly that conditions compressed air in three stages:

Filter (F): The first stage removes solid particles (dust, rust, dirt) and condensed water from the incoming air. This protects downstream components from wear and clogging.
Regulator (R): The second stage reduces and controls the air pressure to a consistent, desired level. This ensures equipment operates at optimal pressure, preventing damage from overpressure and saving energy.
Lubricator (L): The final stage (if required by the application) introduces a fine mist of oil into the cleaned and regulated air. This provides lubrication for moving parts in pneumatic tools and actuators, reducing friction and wear.

These units are typically assembled in this F-R-L order to ensure the regulator and lubricator receive clean air for optimal performance.

Kami FRL Unit Technology Keuntungan

High-Efficiency Filtration

Advanced filter elements for effective removal of particulates and moisture with low pressure drop.

Sensitive Pressure Regulation

Precise regulators with good relieving characteristics for stable downstream pressure control.

Proportional Oil Delivery

Lubricators designed for consistent oil mist generation proportional to airflow, ensuring adequate lubrication without wastage.

Modular & Robust Design

Strong, durable construction with modular connection options for easy assembly and system expansion.

Parameter Utama untuk Memilih Unit FRL

Ukuran Port & Benang

E.g., G1/4, G3/8, G1/2, G1, etc.

Filtration Accuracy

Micron rating of the filter element (e.g., 5µm, 40µm).

Rentang Pengaturan Tekanan

The adjustable output pressure range.

Maks. Tekanan Operasi

Maximum allowable inlet pressure for the unit.

Kapasitas Laju Aliran

Rated airflow at specified pressure.

Bowl Material & Drain Type

Polycarbonate/metal bowls; manual/semi-auto/auto drains.

Lubricator Oil Capacity

Volume of the oil reservoir.

Suhu Operasi

Kisaran suhu lingkungan dan media yang sesuai.

Untuk parameter terperinci, silakan merujuk ke manual produk individual atau berkonsultasi dengan pakar teknis kami.

FRL Unit Instalasi & Pemeliharaan

Praktik Terbaik Instalasi:

Install the FRL unit as close as practical to the point of use, ensuring correct airflow direction (typically Filter -> Regulator -> Lubricator).
Pasang secara vertikal dengan mangkuk di bawah untuk drainase filter yang tepat dan pengambilan oli pelumas.
Ensure sufficient space for bowl removal, element replacement, and oil refilling.
Use appropriate pipe fittings and sealant for leak-free connections.
Connect a pressure gauge to the regulator outlet if not integrated, to monitor and set pressure.

Perawatan Rutin:

Filter: Regularly drain condensate. Replace filter element based on pressure drop or schedule.
Regulator: Check for stable pressure output. Ensure adjustment knob operates smoothly.
Pelumas: Monitor oil level and refill with recommended oil. Adjust drip rate as needed. Clean sight dome if visibility is poor.
Mangkuk: Clean polycarbonate bowls with mild soap and water only; avoid solvents. Inspect for cracks.
Jenderal: Check for air leaks and secure connections.

Always de-pressurize the system before performing any maintenance on FRL units.

FRL Unit Pertanyaan Umum

What do F, R, and L stand for in an FRL unit?

FRL stands for:

F – Filter: Removes solid particles (dust, rust) and liquid water condensate from the compressed air.
R – Regulator: Reduces and controls the air pressure to a desired, stable downstream level.
L – Lubricator: Adds a controlled amount of oil mist into the filtered and regulated air to lubricate downstream pneumatic components that require it.

Is a lubricator always necessary in an FRL setup?

No, a lubricator is not always necessary or desirable. Many modern pneumatic components are designed for non-lube service (self-lubricating or pre-lubricated). Adding oil to such systems can sometimes be detrimental (e.g., washing out factory grease, causing seals to swell).

Use a lubricator (and thus an FRL unit) only if your downstream pneumatic tools or actuators specifically require oil mist lubrication. If lubrication is not needed, a Filter-Regulator (FR) unit is the appropriate choice.

How do I choose the correct size for an FRL unit?

Sizing an FRL unit correctly is crucial for optimal performance. Key factors include:

Flow Rate (SCFM or L/min): The FRL unit must be able to handle the maximum air consumption of all downstream devices without causing an excessive pressure drop. Sum the requirements of all components that will operate simultaneously.
Ukuran Port: Should generally match the port size of the main air line or the largest downstream component to avoid restrictions. Common sizes are 1/4″, 3/8″, 1/2″, 3/4″, 1″.
Tekanan Operasi: Ensure the FRL unit’s maximum inlet pressure rating is above your system’s supply pressure, and its regulation range covers your required downstream pressure.

Undersizing can lead to pressure drops and starved components, while significant oversizing can be less cost-effective and may affect regulator sensitivity. Consult product datasheets for flow curves.

What type of drain should I choose for the filter bowl?

Filter bowls accumulate water and contaminants that need to be drained. Common drain types include:

Manual Drain: Requires an operator to periodically open a valve or push a button at the bottom of the bowl to release condensate. Suitable for low condensate applications or where regular operator presence is guaranteed.
Semi-Automatic Drain (Pressure-Off Drain): Automatically drains when the system pressure drops below a certain point (e.g., when the compressor is shut off). Can also be manually operated.
Automatic Drain (Float or Electronic): Drains automatically when condensate reaches a certain level in the bowl, regardless of system pressure. Ideal for applications with high moisture content or where manual draining is impractical or forgotten.

Choose based on convenience, accessibility, and the expected amount of condensate.

How can I tell if my FRL unit needs maintenance?

Signs that your FRL unit may need maintenance include:

Increased Pressure Drop: A significant difference in pressure between the inlet and outlet of the filter usually indicates a clogged filter element.
Visible Contaminants in Filter Bowl: Excessive water or dirt in the filter bowl signals it’s time to drain and possibly check the element.
Inconsistent Outlet Pressure: If the regulator fails to maintain a stable set pressure, its diaphragm or internal parts may be worn or dirty.
Lubricator Not Dripping (or dripping too much): The oil level isn’t decreasing, or oil is being consumed too quickly. The sight dome might be dirty, or the adjustment mechanism needs attention.
Air Leaks: Audible hissing from the unit or connections.
Poor Performance of Downstream Equipment: Sluggish cylinder movement, tools lacking power, or premature component failure can all point back to issues with air preparation.

Power Your Pneumatics with Complete Air Preparation from Our FRL Units

Give your pneumatic systems the clean, regulated, and lubricated air they deserve for maximum efficiency, reliability, and longevity. Explore our range of FRL units or contact our air treatment specialists to find the perfect all-in-one solution for your application.

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