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F Series

For liquid filtering that requires unattended operation, maximum uptime, and solids removal from 1 to 1,700 microns, the F-Series delivers unbeatable performance.

The key to the F-Series’ versatility is its modular design that enables future capacity and configuration flexibility. F-Series systems can include 2 to 20 body tubes on a single framed skid and can be ordered with blank stations to allow low-cost expanded capacity.

The F-Series uses cleanable media. This further reduces life cycle costs and maximizes productivity by eliminating the labor, replacement, and disposal costs of bags and cartridges. Three types of elements are offered: single element with 0.23 m2 of surface area, the Tri-Cluster® with 0.33 m2 of surface area,  or the Accuflux® 7 with 0.51 m2 of surface area.

The F-Series features 3-way ball valves, automated cleaning with direct mounted actuators and solenoids, and available blank stations for easy future expansion.

How the F-Series Works

When cleaning is required, triggered by time or pressure differential, a single valve removes the tube to be back-washed from the incoming flow stream. The resulting pressure drop redirects a portion of the clean process flow downward, flushing the contaminants to the drain manifold. When process liquids are very valuable or hazardous, an external back-wash configuration, which uses a small amount of cleaning liquid introduced through a separate manifold,  is recommended. External backwashing is also recommended when operating  pressures are expected to be less than 3.1 bar.


  • Solids removal from 1 to 1,700 microns
  • Single system flow rates up to 681 m3/h
  • Smooth pipe and nozzle connection transitions to avoid dead spots in the fluid stream and minimize pressure drop
  • Broad selection of filter media materials and retentions suitable for a wide range of applications
  • Proprietary 3-way, full-ported valves allow fast, frequent sequencing and maximum cleaning force during backwashing
  • Isolated top-to-bottom backwash flow ensures complete and efficient media cleaning while continuing to deliver filtered product downstream
  • Numerous automated backwash options for operator-free service and minimal backwash effluent (<2% of system volume)
  • Available ACCUFLUX™  media dramatically increases filter surface area in the same footprint


  • city water lines
  • hot condensate
  • chiller water
  • fresh water
  • whitewater / shower water
  • cip fluids
  • papermaking wet end starch
  • pelletizer water
  • single and duo tubular filters for a wide range of applications up to 69 bar and high viscosity applications


  • Internal or external backwashing
  • Media-cleaning diffusers for more effective cleaning at low operating pressures or volumes
  • Drain header trap
  • Quick coupler valve connectors for ease of body tube removal
  • 304 stainless steel frame material
  • ASME code vessels

External backwash system shown. Secondary header at the top of the unit introduces cleaning fluid, typically water, (green arrows) to loosen and discharge debris to the drain header at the bottom.

3-way ball valves

To ensure positive sealing and maximum flow, our F-Series filters feature the industry’s best 3-way ball valves. These important components were developed specifically for the demands of industrial filtration. Their full-ported design reduces pressure drop and requires no additional linkages for actuation.

ModelWeight (dry) kgHeight mmFootprint w x l mmVolume IConfiguration # of tubes
F2022041575725 x 1145682
F2032721575725 x 1220873
F2043401575725 x 16001144
F2054081575725 x 19801405
F2065441575725 x 23602466
F2076121575725 x 27452847
F2086801575725 x 31253228
F2098161575725 x 35054709
F2108851575725 x 388552210
F2119521575725 x 426557211
F21210891575725 x 465062512


Body Inlet/Outlet Size – mm76.2
Inlet/Outlet Header Size1 – mm76.2, 101.8, 203.2, 254, 304.8
Body Diameter – mm114.3
Screen Length – mm914.4
Element Styles Available282.6 dia. single, Tri-Cluster,
Pressure Rating3 – bar17.2
Temperature – °C177 system maximum (determined by screen material and elastomer seals)
Air Requirement – auto units – bar4.1-8.3 @ 5 cfm, for sequencing
Electrical Requirement110/220V, 50/60 Hz, single phase
Backwash minimum flow340 l/min. for single and Tri-Cluster media; 567 l/min. for ACCUFLUX™ media


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