Standard KFF — Automatic Self-Cleaning Media Filter
The benchmark for industrial media filtration. 1 GPM to 400+ GPM. Filtration to 1 micron. Zero disposable cartridges, zero manual filter changes, zero unplanned shutdowns.
What It Is
Float-activated, gravity-fed automatic media filter for medium-to-high flow industrial process liquids. The self-cleaning indexing mechanism advances fresh media only on demand — no operator input, no production stops, no disposable cartridges.
Who It's For
Production facilities running central coolant systems, paint pretreatment lines, parts washers, or process water loops where cartridge and bag filter costs — and the labour to swap them — have become the dominant operating expense.
Full Specifications
| Specification | Standard KFF |
|---|---|
| Flow range | 1 GPM to 400+ GPM (configuration-dependent) |
| Filtration range | Down to 1 micron with appropriate media |
| Fluid compatibility | Water-soluble coolants, straight oils, aqueous cleaners, light chemical solutions |
| Materials of construction | Carbon steel standard · 304 stainless steel optional |
| Operation mode | Fully automatic, 24/7 unattended |
| Power | 120/240V single-phase or 480V three-phase indexing motor |
| Control | Float-activated automatic indexing — no PLC required |
| Indexing trigger | Fluid-level float switch (mechanical, no calibration) |
| Lead time | Standard configurations 6–10 weeks; custom 10–14 weeks |
How the Standard KFF Works
Four automatic stages, repeated indefinitely, with zero operator intervention.
Inlet diffuser distributes fluid
Contaminated process liquid enters the housing through a top header that spreads flow across the full media width — eliminating channeling and ensuring uniform cake formation.
Gravity flow & cake build
Fluid passes through the non-woven media bed by gravity. Solids accumulate as a filter cake on top, progressively capturing finer particles as the cycle continues.
Float senses saturation
As cake thickens, the fluid level above the bed rises. A mechanical float switch trips at the preset point — no operator monitoring, no PLC, no calibration drift.
Media advances automatically
The drive motor indexes the roll forward by a metered increment. Spent media exits to the sludge zone; fresh media is in position before flow drops.
Target Applications
Where the Standard KFF is the default specification.
Coolant filtration
Central systems & sumps
Paint pretreatment
Phosphate & e-coat lines
Parts washers
Aqueous & solvent
Wire drawing lubricant
Continuous recovery
Process water
Reuse & discharge prep
Phosphate lines
Iron & zinc baths
Why Standard KFF Over Cartridge or Bag
No disposable media
Continuous roll media — no cartridges, no bags, no per-shift swaps. Eliminates a recurring P.O. line item.
Self-cleaning automation
Float-activated indexing runs 24/7 unattended. Operators are freed for higher-value work.
Lower lifetime cost
Roll media lasts 5–10× longer than equivalent cartridge throughput. Disposal volume drops accordingly.
Not sure if the Standard KFF will work in your process?
Run it on your actual fluid for 30 days. We commission on-site, you measure the results, and if it doesn't justify the investment we take it back. No invoice. No obligation.