Maradyne FPD Series Return Line Filter Assemblies

We offer our most popular models for purchase online. Contact us for additional models and configurations, as well as for discounts on bulk orders.


SKU: MFPDX Category:

Maradyne FPD Series low-pressure filter assemblies feature strength and durability at pressures up to 350 PSI (24 BAR). They accept a variety of elements to match your application and are compatible with our Maradyne pressure indicators. Each comes with one element. To use the pressure indicators with this product, select a configuration with 2x 1/8″ NPT return ports.

We offer our most popular FPD50 models for purchase online. Other models are also available, including FPD10’s, FPD20’s, and configurations with bypass valves, additional main port sizes, and additional indicator port selections. Contact us for more information on these configurations.


  • Port Sizes – 1-1/4” and 1-1/2” NPT
  • 2x 1/8″ NPT return ports
  • One filter element included, 10-micron or 25-micron nominal

Technical Specifications

  • Working pressure – 350 PSI (24 BAR)
  • Flow capacity – 75 GPM (284 LPM)
Part NumberPort SizeIncluded Element (Nominal Rating)Indicator Ports
FPD5020N10NAR4B1 1/4" NPT10 microns 2x 1/8" NPT Return Ports
FPD5020N10NXR4B1 1/4" NPT10 micronsNo Indicator Ports
FPD5020N25NAR4B1 1/4" NPT25 microns 2x 1/8" NPT Return Ports
FPD5020N25NXR4B1 1/4" NPT25 micronsNo Indicator Ports
FPD5024N10NAR4B1 1/2" NPT10 microns 2x 1/8" NPT Return Ports
FPD5024N10NXR4B1 1/2" NPT10 micronsNo Indicator Ports
FPD5024N25NAR4B1 1/2" NPT25 microns 2x 1/8" NPT Return Ports
FPD5024N25NXR4B1 1/2" NPT25 micronsNo Indicator Ports

FPD501 1/4" or 1 1/2"4.65"11.81"2.24"5.59"1.22"2.56"9.25"1.97"3/8"-16
FPD203/4" or 1"3.43"7.28"1.73"4.49"0.91"1.97"5.31"1.02"3/8"-16
Maradyne, Marion, and FPC Filtration Products Corporation logos

Additional information

Weight N/A
Dimensions N/A