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ARO FRL

ARO is a brand of compressed air treatment and fluid handling equipment, historically associated with ARO (formerly The Aro Corporation) and now part of Ingersoll Rand's portfolio of pneumatic products. The ARO FRL line—filter, regulator, lubricator—covers air preparation components used to condition compressed air before it reaches pneumatic tools, valves, cylinders, and other downstream equipment. The product family includes filter/regulators, filters, regulators, and lubricators in port sizes from 1/4 in to 1/2 in NPT, with flow capacities ranging from 58 scfm to 172 scfm and filtration ratings typically at 5 micron. Maximum pressure ratings in the supplied range are 150 psi or 250 psi, depending on model. Body materials are aluminum, with nitrile seals and drain options that include manual and auto drain configurations. These units are used in general industrial plants, automotive service facilities, packaging lines, machine shops, and any application where particulate removal and stable downstream pressure are required. The piggyback design combines a filter and regulator in a single compact assembly, reducing installation space and piping connections compared with separate components. 3G Electric supplies the ARO FRL line as part of its broader industrial equipment catalog. The company stocks multiple SKUs across the 1500 and 2000 series, covering common port sizes and drain types. Because 3G Electric operates as a distributor with global logistics, buyers can source these air preparation units alongside other pneumatic and gas control products from a single supplier. Technical documentation, including flow curves and replacement part numbers, is available for specification and maintenance planning. For procurement specialists, the key selection variables are port size, flow capacity, filtration rating, maximum pressure, and drain type—all of which are listed in the product data for each SKU. The ARO FRL range is designed for compressed air systems where consistent air quality and pressure regulation are needed to protect downstream equipment and maintain process repeatability. The aluminum construction and nitrile seals are compatible with typical shop air conditions, though specific chemical compatibility should be verified for synthetic lubricants or aggressive environments. 3G Electric supports the line with order fulfillment and logistics coordination, allowing plant engineers and maintenance managers to obtain replacement units or spares without long lead times. The product family is not limited to any single region; 3G Electric ships globally, and the ARO FRL components are used in industrial facilities across multiple sectors. When specifying an ARO FRL unit, confirm the required port size, flow demand at the operating pressure, and whether manual or automatic drain is preferred. The 1500 series typically covers lower flow requirements with 1/4 in ports, while the 2000 series offers higher flow capacities with 3/8 in and 1/2 in ports. Both series are available with 5 micron filtration, which is suitable for general-purpose pneumatic systems. For applications requiring finer filtration or different pressure ranges, additional models may be available; consult the product listing for exact specifications. 3G Electric maintains a catalog of ARO FRL SKUs with manufacturer part numbers, enabling cross-reference and verification against existing installations. This helps maintenance teams replace failed units with equivalent specifications without modifying piping or mounting. The combination filter/regulator design also simplifies inventory, as a single part number covers two functions. Overall, the ARO FRL line provides a range of air preparation solutions for industrial compressed air systems, and 3G Electric supplies these products with global shipping and technical data support.

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About ARO FRL

ARO is a brand of compressed air treatment and fluid handling equipment, historically associated with ARO (formerly The Aro Corporation) and now part of Ingersoll Rand's portfolio of pneumatic products. The ARO FRL line—filter, regulator, lubricator—covers air preparation components used to condition compressed air before it reaches pneumatic tools, valves, cylinders, and other downstream equipment. The product family includes filter/regulators, filters, regulators, and lubricators in port sizes from 1/4 in to 1/2 in NPT, with flow capacities ranging from 58 scfm to 172 scfm and filtration ratings typically at 5 micron. Maximum pressure ratings in the supplied range are 150 psi or 250 psi, depending on model. Body materials are aluminum, with nitrile seals and drain options that include manual and auto drain configurations. These units are used in general industrial plants, automotive service facilities, packaging lines, machine shops, and any application where particulate removal and stable downstream pressure are required. The piggyback design combines a filter and regulator in a single compact assembly, reducing installation space and piping connections compared with separate components. 3G Electric supplies the ARO FRL line as part of its broader industrial equipment catalog. The company stocks multiple SKUs across the 1500 and 2000 series, covering common port sizes and drain types. Because 3G Electric operates as a distributor with global logistics, buyers can source these air preparation units alongside other pneumatic and gas control products from a single supplier. Technical documentation, including flow curves and replacement part numbers, is available for specification and maintenance planning. For procurement specialists, the key selection variables are port size, flow capacity, filtration rating, maximum pressure, and drain type—all of which are listed in the product data for each SKU. The ARO FRL range is designed for compressed air systems where consistent air quality and pressure regulation are needed to protect downstream equipment and maintain process repeatability. The aluminum construction and nitrile seals are compatible with typical shop air conditions, though specific chemical compatibility should be verified for synthetic lubricants or aggressive environments. 3G Electric supports the line with order fulfillment and logistics coordination, allowing plant engineers and maintenance managers to obtain replacement units or spares without long lead times. The product family is not limited to any single region; 3G Electric ships globally, and the ARO FRL components are used in industrial facilities across multiple sectors. When specifying an ARO FRL unit, confirm the required port size, flow demand at the operating pressure, and whether manual or automatic drain is preferred. The 1500 series typically covers lower flow requirements with 1/4 in ports, while the 2000 series offers higher flow capacities with 3/8 in and 1/2 in ports. Both series are available with 5 micron filtration, which is suitable for general-purpose pneumatic systems. For applications requiring finer filtration or different pressure ranges, additional models may be available; consult the product listing for exact specifications. 3G Electric maintains a catalog of ARO FRL SKUs with manufacturer part numbers, enabling cross-reference and verification against existing installations. This helps maintenance teams replace failed units with equivalent specifications without modifying piping or mounting. The combination filter/regulator design also simplifies inventory, as a single part number covers two functions. Overall, the ARO FRL line provides a range of air preparation solutions for industrial compressed air systems, and 3G Electric supplies these products with global shipping and technical data support.

Common Applications

  • Automotive service shops — ARO FRL 1500 series filter/regulator with 1/4 in NPT for individual bay air drops
  • Packaging machinery — ARO FRL 2000 series with 3/8 in NPT and auto drain for continuous pneumatic actuator protection
  • Machine tooling — ARO FRL piggyback unit with 5 micron filtration to protect air cylinders and valves from particulate
  • General manufacturing — ARO FRL 2000 series with 1/2 in NPT and 172 scfm capacity for main air header conditioning
  • Maintenance and repair — ARO FRL replacement filter/regulators with manual drain for existing compressed air systems
  • Food and beverage processing — ARO FRL aluminum body units with nitrile seals in non-washdown pneumatic control panels

Frequently asked questions

Common questions about ARO FRL from 3G Electric.

What is the difference between the ARO FRL 1500 series and 2000 series filter/regulators?

The ARO FRL 1500 series typically has 1/4 in NPT ports and flow capacities around 58 to 72 scfm, while the 2000 series offers larger 3/8 in or 1/2 in NPT ports with flow capacities from 132 to 172 scfm. Both series provide 5 micron filtration and are available with manual or auto drain. Maximum pressure ratings vary by model, with 150 psi or 250 psi options. The 2000 series is suited for higher air demand applications, while the 1500 series fits lower-flow branches or individual tools.

What drain options are available for ARO FRL air filter/regulators?

ARO FRL filter/regulators in the supplied range come with either manual drain or auto drain. Manual drain requires operator intervention to remove collected condensate, while auto drain discharges condensate automatically when the bowl reaches a certain level. The choice depends on accessibility and maintenance preferences. Auto drain models reduce the risk of carryover into downstream equipment but require a drain line connection. Both options are available across the 1500 and 2000 series, with specific part numbers indicating the drain type.

What is the filtration rating of ARO FRL piggyback units?

The ARO FRL piggyback filter/regulators listed have a 5 micron filtration rating. This removes particulate contamination down to 5 micrometers, which is typical for general-purpose compressed air systems protecting pneumatic valves, cylinders, and tools. For applications requiring finer filtration, such as breathing air or sensitive instrumentation, additional filtration stages may be necessary. The 5 micron rating is standard across the 1500 and 2000 series models in the 3G Electric catalog.

Can ARO FRL filter/regulators be used with synthetic compressor lubricants?

ARO FRL units with nitrile seals are generally compatible with petroleum-based and many synthetic lubricants, but compatibility depends on the specific lubricant chemistry. Nitrile has limited resistance to certain synthetic oils, phosphate esters, and aggressive solvents. For synthetic lubricants, verify chemical compatibility with the seal manufacturer or consider alternative seal materials if available. In typical shop air systems using standard compressor oils, nitrile seals are widely used. Consult the product data or a technical representative for specific lubricant compatibility.

What is the maximum pressure rating for ARO FRL 2000 series filter/regulators?

ARO FRL 2000 series filter/regulators in the supplied range have maximum pressure ratings of either 150 psi or 250 psi, depending on the specific model. For example, SKU 342DZ9 is rated to 250 psi, while SKU 342EC5 is rated to 150 psi. The maximum pressure refers to the inlet pressure the unit can withstand. Always confirm the rating for the exact part number before installation, and ensure the system pressure does not exceed the rated maximum.

How do I select the correct ARO FRL port size for my application?

Port size selection depends on the air flow demand and the piping size of the existing system. ARO FRL units are available in 1/4 in, 3/8 in, and 1/2 in NPT. As a rule, match the port size to the supply line or the inlet of the equipment being protected. Undersized ports can cause excessive pressure drop, while oversized ports may not provide adequate regulation at low flows. Consider flow capacity in scfm at the operating pressure and the required downstream pressure. The 1500 series with 1/4 in ports suits lower flows, while the 2000 series with larger ports handles higher flows.