Maradyne 30 Series Spin-on Filter Heads




Maradyne 30 Series Spin-on Filter Heads feature solid aluminum construction to provide strength and durability at mid-range pressures (200 PSI). They accept numerous types of spin-on cartridges to match your application and are compatible with P77 pressure gauges.


  • Port Sizes – 1/2″ NPT, 3/4″ NPT, 1″ NPT, 3/4″ BSPT, SAE-8, or SAE-12
  • Optional Bypass Valve – Cracking pressures from 3-25 PSI, +/- 10%
  • Bypass Valve Materials – Glass fiber filled nylon, with 25 PSI bypasses also available in steel

Technical Specifications

  • Post Size – 1″-12 UNF-2A
  • Working Pressure – 75 PSI (5.1 BAR) maximum without by-pass; 200 PSI (13.7 BAR) maximum with bypass
  • Flow Capacity – 18 GPM (67 LPM)
  • Operating Temperature – 225°F (107°C) maximum
  • Fluid Compatibility – Petroleum based oils, high water based fluids, water glycols, and oil/water emulsions

Drawings for Maradyne 30 Series spin-on filter head Pressure drop graph for Maradyne 30 Series spin-on filter head

Compatible Elements

Part NumberNominal RatingLengthMedia
FPE30-10N (Marion S-28)10µ5"Cellulose
FPE30-10G (Marion S-28-MG)10µ5"Microglass
FPE30-25N (Marion S-29)25µ5"Cellulose
FPE30-100M100µ5"Wire Mesh

Other configurations are available. Contact us for more information.


Maradyne, Marion, and FPC Filtration Products Corporation logos

Additional information

Weight N/A
Dimensions N/A