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Item # VF-31E, Small Filter Housings

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Clean Dry Fuels and Oils with High Performance

These filter housings are versatile housings designed for use with several different high performance Aquacon® and other filter cartridges.

Aquacon cartridges filter out water by chemically locking it into layers of super-absorbent media. Water capacity is as much as 11/2 quarts, depending on the specific vessel and cartridge. These cartridges also effectively filter out dirt, rust and other particulates. (See caution, back cover.)

As an Aquacon cartridge reaches its water-holding limit, the media expands very rapidly and restricts the flow. The pressure drop will rapidly increase, signaling the need to change cartridges.

The VF-61, with ACO series cartridges installed, has become the standard for low flow rate full flow aviation fuel monitor applications.
  • Wide variety of applications
  • Free and emulsified water to less than 5 ppm
  • 1/2 micron particulate removal
  • Provides protection against “slugs” of water
  • Pressure increase signals cartridge change
  • For aviation and diesel fuel applications, always install a differential pressure gauge or other means of determing differential pressure.
  • See Data Sheet for Absorbent cartridge (AC, AD) flow rates.
  • See Data Sheet for paper filter (FO) flow rates, synthetic filter (FOS) flow rates.

VF-61UL Filter Housing, for diesel fuels. Recognized under the Component Recognition Program of Underwriters Laboratories Inc.

Specifications  · Recommended Spares  · Accessories  · Applications  · Caution




Inlet/Outlet Connection

1" NPT

Max. Operating Pressure

150 psi


3 lbs

Shipping Weight

4 lbs


Cast aluminum head, carbon steel shell with epoxy powder coated exterior & interior

Product being filtered



Jet Fuel & Avgas



Recommended Spares
1 ea P/N G-0995 Buna-N O-ring

4 ea replacement filter cartridges


Supplied with

  • 1 ea P/N G-0995 Buna-N O-ring
  • Mounting holes in head - 4 ea 1/4-20 NC
  • 1 ea plug (for fuel & oil applications)
  • 1 ea 1/8” petcock drain (for air, gas, & aviation fuel applications)

  • Jet Fuel
  • Avgas
  • Motor Gasoline
  • Diesel Fuel
  • Biodiesel
  • Selected Solvents Oils: Insulating, Hydraulic, Lubricating Compressed Air and Other Gasses

To protect the fuel system, including the VF-609 and other components, be sure to install pressure relief valve(s).

Do not use absorbent cartridges (ACO-xxxxxL, AC-xxxxx, AD-xxxxx) with pre-mixed jet fuel or avgas containing anti-icing additives.


·  Filter Cartridge Selection Table

·  VF61 Connected to Diesel Fuel Dispenser


Data Sheet for Absorbent Cartridge
(PDF, 83KB)

Paper Filter (FO) Flow Rates
(PDF, 104KB)

Synthetic Filter (FOS) Flow Rates
(PDF, 64KB)

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