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Piggyback Filter Regulators

Combine Filtration and Pressure Regulation in One Compact FRL Module

Piggyback filter-regulators combine compressed-air filtration and downstream pressure regulation in one compact assembly. This reduces component count and installation space compared with using a separate filter and regulator.

The source description notes that these units are often coupled to an NAL series airline lubricator using the corresponding B***T series assembly bracket.

Download Filter-Regulator Datasheet

Key Benefits

  • Combined airline filter and pressure regulator
  • Compact footprint
  • Reduces separate connections between components
  • Can be paired with NAL series lubricators
  • Designed for modular FRL installations

Common Applications

  • Industrial automation machinery
  • Packaging equipment
  • Pneumatic control panels
  • OEM machines
  • Assembly systems
  • Point-of-use air preparation

Frequently Asked Questions

What is a piggyback filter-regulator?

It combines compressed-air filtration and pressure regulation in one housing or closely integrated module.

Why use a combined filter-regulator?

It saves space and reduces the number of separate connections required.

Can it be used with a lubricator?

Yes. The source description notes pairing with NAL series lubricators.

What bracket is used for assembly?

The source description identifies the corresponding B***T series bracket.

What does the filter section do?

It helps remove particulate contamination and entrained material before air reaches downstream equipment.

What does the regulator section do?

It reduces and controls downstream compressed-air pressure.

Where are piggyback units installed?

Typically at machine air inlets, workstations or pneumatic control panels.

How do I choose the correct size?

Match port size, flow demand, filtration grade, inlet pressure and required outlet pressure.

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