The FPS-400S is a modular tank cleaning and fuel polishing system designed for the transfer and/or re-circulating/polishing of diesel fuel in storage tanks. The base system uses a 7 GPM continuous-duty pump with a Dieselcraft 5×24 purifier plus a 10-micron spin-on filter. Assembled with Grade 8 fasteners on a 430 stainless steel backing plate and drip pan.
Key Features
- 420 GPH (subject to distance from source), 115V motor with 7 GPM pump
- Filter-less purifier removes over 99% of water and large contamination without filters
- Secondary filtration to 10 microns – standard buy-anywhere spin-on filters (12 included)
- Water/debris alarm to indicate time to drain the purifier
- Magnetic fuel conditioning and digital flow meter
- Fire-resistant Flehtral GH-16 hose – meets/exceeds SAE 100R1AT, EN853, DIN 20022 1SN-ISO 1436 Type 1; MSHA approved
Diesel fuel only – not for use with gasoline.












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